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  1. until
    BMFA League open F5J competition. Entry £5 (free to Kent Interclub club members). Details and sign-up will be at https://www.barcs.co.uk/forums/forum/94-kent-interclub/ The flying field is currently too wet so watch out for updates
  2. Team selection competitions for F5J WCH 2025 have now been announced on the SFTC web site. (You'll see the arrangements there include special provision to avoid disadvantage to the the team representing GBR at the 2024 ECH, which clashes with the 2024 SF Nats.)
  3. Nick Jackson

    Interglide 2024 registration now open

    Registration for Interglide 2024 now open at https://www.interglide.co.uk/online-entry-form/ ... and it's cheaper than last year! Register by 30 April for a further Earlybird discount. 08 March - First Bulletin now available below for download bulletin1.pdf
  4. Nick Jackson

    Interglide

    until
    2-day Eurotour and UK team selection F5J event. Interglide details and registration (in due course) at https://www.interglide.co.uk/ Eurotour F5J at https://www.contest-eurotour.com/category-f5j/
  5. Note both the OPEN F5J including everyone who flew and the KI Members only individual and Team results are attached. Kent Interclub Electric League 2023 Both of the two rounds were flown the first after twice being cancelled. Electric 2 on 18 June only attracted 14 flyers which I believe was due to holidays that some take around this time. Congratulations Congratulations to the OPEN and KI Winner Richard Harris and the KI Best Team Bromley Club Individual OPEN and KI 2nd Keith Fisher and OPEN 3rd Garry Matthews, KI 3rd Peter Mitchell Team 2nd Tonbridge and 3rd Invicta Entrants were 24 (including 3 guests) down 1 from 2022 Thanks go to: · Gravesend, Invicta, SADMAC, and Tonbridge 4 clubs that generously provide the fields · The 10 membership Clubs. Ashford, Bloobirds, Bromley, Canterbury, Gravesend, Invicta, Maidstone, Medway SADMAC, and Tonbridge also the 3 guest flyers Garry, Steve and Simon · The CD's and GliderScore operators. · Clubs and individuals who provide the equipment required to run the events. · The helpers at each event that set up the equipment. Ian Nicholls KI Points Coordinator
  6. You are invited to Kent Interclub Glider 3 Multi-launch competition to be held July 23rd 2023 CD on the day is Bob Hope (GliderScore TBA )This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5). Remember you can fly 2m and RES if you wish. · We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. · To enter, please click on Reply to this topic no later than 6pm Friday 21 July with model class, and frequency if not 2.4 (Glider, Electric, Open, 100" RES, 2m etc) so a matrix can be set up. · Go ahead is confirmed Location: · Tonbridge club field is at Leigh Park Farm. The postcode is TN11 8PN. What3words: ///corn.flags.dots Additional Info: · The rules are a variant of BARCS Multi-launch but, for Electric launch gliders must be fitted with an AMRT (height limiter) which cuts the motor at 30 secs and records the launch height. Electric launch is up to 175m but there is a penalty of 3 pts per metre for Electric launches exceeding it. Most pilots will want to set AMRTs to cut a little below 175m. It is fine instead to use F5J firmware and cut the motor manually. This event will be using Gliderscore eScoring via smart phones. We will print and issue a score record card for you to record your round scores and set up your phones via QR matrix · A minimum of 4 rounds and a maximum of 6 rounds will be flown Enter by replying to this Topic Entrants Richard Harris Invicta Keith Fisher Invicta Eddy Small Canterbury Terry Letchford SADMAC Brian Martin SADMAC Alan Harris SADMAC Iain Stingemore Bloobirds WInch Greg Hayfield Bloobirds Winch Bob Hope Tonbridge Phil Ramsey Tonbridge Alan Twine Bromley Derek Collings Bromley Bob Ryan Bromley Gordon Loomes Bromley David Teal Ashford
  7. Full details and entry will be on the BARCS – Aircraft - Kent Interclub Forum This is an open competition and non Kent club members are very welcome (entry fee £5). The rules are BARCS Multilaunch for Electric launch gliders. Electric Gliders must be fitted with an AMRT (height limiter) which cuts the motor at 30 secs and records the launch height. Electric launch height of 175m with a penalty of 3 pts per metre for Electric launches exceeding it. Most pilots will want to set AMRTs to cut a little below 175m. It is fine instead to use F5J firmware and cut the motor manually.
  8. Kent Interclub Electric 1 Gravesend 14 May Results and CD Bob Ryan's report now published on p2 of this thread. Details Original date of 2 April and reserve of 15 April were both waterlogged waterlogged - third time lucky! This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5 for non KIC members). The event will run to F5J rules with UK variations. Results will count for the BMFA F5J League. CD on the day: Bob Ryan. Gliderscore / queries: Nick Jackson - whitstable.nick@outlook.com or PM Gliderscore eScoring will be used - scores submitted via smart phones. No problem if you are not familiar with the system or don’t have a smartphone – help readily available on the field. We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. To enter Please ‘Reply’ to this topic no later than 6pm Friday 12 May. Please indicate frequency if not using 2.4GHz To fly 14 May, you need to register for 14 May - registrations for 2 or 16 April not carried forward. Confirmation A final decision to confirm or cancel depending on the weather will be posted here by 6pm Friday 12 May. Please note that entrants need to check here as you will not be emailed about cancellation. Directions to the field Leaving the M2, follow A289 towards Medway tunnel and then follow signs for B2000 towards Cliffe. Follow B2000 right through Cliffe village until road narrows and then right into Reed Street which then becomes Common Lane. Field is down track on corner of Common lane/ Rye street The nearest postcode is ME3 7UD (but this take you to the farm house in Rye Street. At the junction of Common Lane and Rye Street, go north for 150 metres on the farm track, The field entrance is on the right. Please remember to shut the gate on entry and exit. Pilots: David Ashby Derek Collings Simon Conran Keith Fisher Richard Harris Greg Hayfield Bob Hope Nick Jackson Steve Knowles Terry Letchford Garry Matthews Pete Mitchell Colin Paddon Ian Nicholls Bob Ryan Eddy Small Iain Stingemore Dave Teal Alan Twine Graham Wicks Edited Wednesday at 19:37 by Nick Jackson (see edit history) Only staff can see this message
  9. Nick Jackson

    Kent Interclub Electric 1

    Kent Interclub Electric 1 - open F5J. Details and registration at:
  10. 16 April CANCELLED - field waterlogged again. CD Bob Ryan inspected today and the field is not going to be usable Sunday. Sorry we're having to cancel for a second time. Not sure whether we can managed a reserve reserve date - will consult. Next currently-scheduled KIC comp is Glider 1 (multilaunch) at SADMAC Sunday May 7. Details Contest originally scheduled for 2 April was cancelled and we're now instead using the 16 April reserve date. This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5 for non KIC members). The event will run to F5J rules with UK variations. Results will count for the BMFA F5J League. CD on the day: Bob Ryan. Gliderscore / queries: tba Gliderscore eScoring will be used - scores submitted via smart phones. No problem if you are not familiar with the system or don’t have a smartphone – help readily available on the field. We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. To enter Please ‘Reply’ to this topic no later than 6pm Friday 14 April. Please indicate frequency if not using 2.4GHz To fly 16 April, you need to register for 16 April - registrations for 2 April not carried forward. Confirmation A final decision to confirm or cancel depending on the weather will be posted here by 6pm Friday 14 April. Please note that entrants need to check here as you will not be emailed about cancellation. Directions to the field Leaving the M2, follow A289 towards Medway tunnel and then follow signs for B2000 towards Cliffe. Follow B2000 right through Cliffe village until road narrows and then right into Reed Street which then becomes Common Lane. Field is down track on corner of Common lane/ Rye street The nearest postcode is ME3 7UD (but this take you to the farm house in Rye Street. At the junction of Common Lane and Rye Street, go north for 150 metres on the farm track, The field entrance is on the right. Please remember to shut the gate on entry and exit. Signed up so far: Derek Collings Terry Letchford Pete Mitchell Ian Nicholls Bob Ryan Eddy Small Colin Paddon Dave Teal Alan Twine Graham Wicks
  11. CANCELLED - Kent Interclub Electric 1 F5J competition, Gravesend 2 April. CANCELLED The field is waterlogged. CD Bob Ryan did a pitch inspection this morning and decided the it was going to be too wet - then confirmed by a request from the Gravesend Chairman to avoid damage by postponing the comp. Sorry (especially to the Tonbridge guys who have now had two cancellations for the same day.) Reserve date 16 April will be used - same venue. Please sign up again for this - 2 April reservations will not be carried forward. Sign up will open presently Details This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5 for non KIC members). The event will run to F5J rules with UK variations. Results will count for the BMFA F5J League. CD on the day: Bob Ryan. Gliderscore and any queries: Nick Jackson (whitstable.nick@outlook.com) Gliderscore eScoring will be used - scores submitted via smart phones. No problem if you are not familiar with the system or don’t have a smartphone – help readily available on the field. We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. To enter Please ‘Reply’ to this topic no later than 6pm Friday 31st March. Please indicate frequency if not using 2.4GHz Confirmation A final decision to confirm or cancel depending on the weather will be posted here by 6pm Friday 31st March. Please note that entrants need to check here as you will not be emailed about cancellation. Directions to the field Leaving the M2, follow A289 towards Medway tunnel and then follow signs for B2000 towards Cliffe. Follow B2000 right through Cliffe village until road narrows and then right into Reed Street which then becomes Common Lane. Field is down track on corner of Common lane/ Rye street The nearest postcode is ME3 7UD (but this take you to the farm house in Rye Street. At the junction of Common Lane and Rye Street, go north for 150 metres on the farm track, The field entrance is on the right. Please remember to shut the gate on entry and exit. Signed up so far: Kevin Beale Derek Collings Keith Fisher Alan Harris Richard Harris Nick Jackson Terry Letchford Ian Nicholls Colin Paddon John Postle Bob Ryan Eddy Small David Teal Alan Twine Graham Wicks
  12. Nick Jackson

    Interglide 2023

    BARCS Interglide 2023 took place over the weekend 1-2 July 2023, Near Ashford, Kent. Interglide website: https://www.interglide.co.uk/ Results and CD's report: https://www.interglide.co.uk/interglide-2023/
  13. Nick Jackson

    Kent Interclub Electric 1

    BMFA League open F5J competition. Entry £5 (free to Kent Interclub club members). Details and sign-up will be at https://www.barcs.co.uk/forums/forum/94-kent-interclub/
  14. until
    CATEGORY: FAI F5J Thermal Duration Gliders Full event details see Interglide - United Kingdom F5J Eurotour Contest https://www.interglide.co.uk
  15. Confirmation that the Comp is running on Saturday 14th at 11:00 This is a day dedicated to 2m gliders. FxRES & F5J (2metre) will be flown as a joint event on the 14th or the 15th May, depending upon weather and pilot availability. we will choose the final day of the event on the run up to the weekend. EDIT: All classes, F3L, F5RES and 'Open' (Full house f5j style 2 metre models) will be flown together to FxRES rules. Only F3L and F5RES can qualify for the national league but should be an interesting day with some top level f5j pilots competing. Competitors can enter as many classes as they wish. Location: The field is by Wetlands Lakes near Retford Nottinghamshire. Farm Post Code is DN22 8SB Turn right between an old farm house and a barn. Up and over a small steep hill, flying will be on one of the fields on the right. 53.359669,-0.948755 https://maps.app.goo.gl/hv7h8kNj3e17Jo4w6 10:45 pilots briefing 11:00 to 15:00 competition window 15:00 fly off if necessary/prize ceremony Entry fee £10 (Split between field cost and prize fund) FxRES is a 2m soaring class with models constructed mainly from wood. Competitions are a variant of the FAI F3L provisional class, that has a simplified format with a 4 hour window where competitors can fly up to 10 timed flights (6 min max), best 6 flights count, no landing bonus. This allows F3L and F5RES to compete alongside each other but have different score sheets. A competitor can fly both classes if they wish. Full set of rules is 7.24 in the SF rule book, BMFA membership is a must. F5RES height limiters set to 100m/30seconds, bungees are provided, please do not use your own? With effect from 1st January 2022, BMFA General Rules have changed to require competition models to display of either the owner’s BMFA number or their FAI registration number in UK competitions. Please visit fxres.co.uk for more details. It would help if competitors can express their interest by posting on this thread Please bookmark this post for updates?
  16. As a result of me not stepping back when volunteers were called for to run this league I've taken up the role. These are the dates of the events that will qualify for BARCS F5J League being held at Bartletts and in Kent although there may be others added April 18th run by KI at Gravesend July 4th Bartletts August 15th Bartletts Sept 5th run by KI at Sutton Valence Full details and entry will be on the BARCS Electric Soaring and F5J Forum Entry £5.00 payable on the day.
  17. Kent Interclub – F5J at Gravesend 3 April 2022 Important Covid Advice Please do not attend this competition if you are showing any Covid symptoms or have experienced them in the last 7 days. Summary: You are invited to Kent Interclub Electric 1 F5J competition. CD on the day will be Derek Price This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5 for non KIC members). We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. To enter, please click on Reply to this topic no later than 6pm Friday 1st April. Please indicate frequency if not using 2.4GHz A final decision to confirm or cancel depending on the weather will be posted here by 6pm Friday 1st April. (Please note that entrants need to check here as you will not be emailed about cancellation.) Rules & Scoring arrangements: This event will run to UK F5J rules and results will count for the BARCS ELG league This event will be using Gliderscore eScoring via smart phones. We will print and issue a score record card for you to record your round scores and set up your phones via QR matrix This notice is issued for and on behalf of the Organiser Bob Ryan Gravesend Aeromodelling Club The field can be as follows. Leaving the M2, follow A289 towards Medway tunnel and then follow signs for B2000 towards Cliffe. Follow B2000 right through Cliffe village until road narrows and then right into Reed Street which then becomes Common Lane. Field is down track on corner of Common lane/ Rye street The nearest postcode is ME3 7UD Using What3Words (phone app) with location fewest.timer.sketching See attached image for field location 14 Entrants Bob Ryan Open (Bromley) Alan Twine Open (Bromley) Ian Nicholls Open (Bloobirds) Eddy Small Open (Canterbury) Terry Letchford Open (SADMAC) David Yale Open (SADMAC) Alan Harris Open (SADMAC) Keith Benton Open (SADMAC) Richard Harris Open (Invicta) Keith Fisher Open (Invicta) Dave Teal Open (Ashford) Pete Mitchell Open (Guest) Garry Matthews Open (Guest) Steve Knowles Open (Guest)
  18. CANCELLED Kent Interclub Glider 4 - Multi-launch competition 3rd October 2021 Posted on behalf of the CD Bob Ryan who based on the weather forecasts and feedback has decided to cancel. A new Topic will be started for any new date You are invited to Kent Interclub Glider 4 Multi-launch competition to be held 3rd October 2021, CD on the day is Bob Ryan. This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5). For KIC flyers only – note that this competition will also use the scoring for the 2021 Kent Cup for which all rounds flown will count. We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. To enter, please click on Reply to this topic no later than 6pm Friday 1st October with model class, and frequency if not 2.4 (Glider, Electric, Open, 100" etc) so a matrix can be set up. A final decision to confirm or cancel depending on the weather will be posted here by 12 noon on Saturday 2nd October. (Please note that entrants need to check here and will not be emailed about cancellation.) Important Covid Advice: Do not attend this competition if you are showing any Covid symptoms or have experienced them in the last 14 days Competition will be paperless using eScoring Gliderscore smart phone app. Your scorecard with be given to you on check in. Ensure you follow latest Gov.uk guidelines in respect to washing hands, touching face and hand hygiene. Location & Directions The field can be as follows. Leaving the M2, follow A289 towards Medway tunnel and then follow signs for B2000 towards Cliffe. Follow B2000 right through Cliffe village until road narrows and then right into Reed Street which then becomes Common Lane. Field is down track on corner of Common lane/ Rye street The nearest postcode is ME3 7UD Using What3Words (phone app) with location “fewest.timer.sketching” See attached images for field location Additional Info: The rules are BARCS Multi-launch , Electric launch gliders must be fitted with an AMRT (height limiter) which cuts the motor at 30 secs and records the launch height. Electric launch height remains at 175m with a penalty of 3 pts per metre for Electric launches exceeding it. Most pilots will want to set AMRTs to cut a little below 175m. It is fine instead to use F5J firmware and cut the motor manually. A minimum of 4 rounds and a maximum of 6 rounds will be flown weather permitting Enter by replying to this topic
  19. Full details and entry will be on the BARCS – Aircraft - Kent Interclub Forum This is an open competition and non Kent club members are very welcome (entry fee £5). The rules are BARCS Multilaunch for Electric launch gliders. Electric Gliders must be fitted with an AMRT (height limiter) which cuts the motor at 30 secs and records the launch height. Electric launch height of 175m with a penalty of 3 pts per metre for Electric launches exceeding it. Most pilots will want to set AMRTs to cut a little below 175m. It is fine instead to use F5J.
  20. This is an early announcement in the hope we can receive more detailed history and any reports from past years from our readers in advance of this years event. The history of the above starts with HAROLD JAMES TOWNER (1893 to ????) engineer. H J Towner was the elder brother of professional artist Donald Towner. They are descended from the Eastbourne (Sussex) branch of the Towner family. He is noted for his particular expertise in the art of scale modelling classic aircraft built to fly. He also possessed considerable skill as a draughtsman. His designs for model aircraft were published in the 1940s and are still much admired and sought after today. Following his death his own high quality scale models (made from his own plans) were acquired by the Royal Air Force museum. Mr Towner still retains a strong following amongst the model aircraft fraternity and the Towner Memorial Trophy is presented to the best entry in (model thermal gliding) competitions. Some of the things said about him (from blog websites) are : - “exquisite drawings” “highly respected and skilful” “he could make almost anything fly” “lifetime of model building admired by many even today” The image is of his publication “Scale model aircraft that fly” (1940) by H J Towner and Howard Boys. The actual Towner Trophy was presented by the family to the South Eastern Area of the SMAE (now known as the BMFA) and was traditionally was held in Eastbourne at Deanland Airfield. Mr Towners daughter Pam Urquhart used to present the trophy. Norman Cooling from the Eastbourne Flying Club ran the competition and after he passed away Keith Miller from the Tonbridge club and now the Kent Interclub are running of the event. The first competition was held in 1968 to early thermal gliding rules and is believed to be the oldest event for Thermal Soaring. 54 years on and the rules have changed firstly to F3J then Multilaunch and finally F5J. It has been held on 47 occasions some years missed for various reasons including bad weather, foot and mouth restrictions and similarly last year COVID. There have only been 29 winners during this time with the all time honours going to Chris Foss with 7 wins, Ricky Shaw and Colin Paddon with 5, Colin Lucas with 3, Geoff Dallimer and Phil Ramsey twice. Entry details will follow nearer the event.
  21. Kent Interclub Glider 3 Multi-launch competition 18 July The competition is on. Scoring arrangements. Everyone's scores will need to be inputted by phone AND recorded on paper (on your score record, to be left at the control tent at the end of the competition, after your last flown round.) Phone To get to the page to input your scores has been sent by email to you. If it's not in your Inbox check your Junk folder, (Good idea to go to your page in advance and bookmark it. Or you can scan the QR code on your score record if preferred. Any hassles, just ask. No problem for someone else to input your score for you if necessary. Feel free to try it out in advance - scores will be reset to zero before the comp.) Score record I'll bring along the printed score record sheets for everyone tomorrow - no need to print yours out (but attached in case anyone wants to). Must be filled in by the pilot, please, and left at the control tent at the end of the competition. Enjoy your day flying. Important Covid Advice: Do not attend this competition if you are showing any Covid symptoms or have experienced them in the last 14 days. The most important symptoms of Covid are the recent onset of the following: A new continuous cough, a high temperature, a loss of, or change in, your normal sense of taste or small. Competition will be paperless using Gliderscore smart phone app. Bring gloves and sanitiser to the event in case gates need to be opened/shut. Do not touch landing tapes, use feet to move tapes relative to front of model after landing. Strictly observe the 2m distancing rule. Ensure you follow latest Gov.uk guidelines in respect to washing hands, touching face and hand hygiene. For and on behalf of Bob Hope CD Summary: · You are invited to Kent Interclub Glider 3 Multi-launch competition to be held 18 July 2020, CD on the day is Bob Hope (GliderScore Ian Nicholls). This is an open competition and non-Kent Interclub club members are very welcome (entry fee £5). · We want to have a full day's flying so please check in 09:30 latest and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00 sharp. · To enter, please click on Reply to this topic no later than 6pm Friday 16 July with model class, and frequency if not 2.4 (Glider, Electric, Open, 100" etc) so a matrix can be set up. · A final decision to confirm or cancel depending on the weather will be posted here by 6pm Friday 16 July. (Please note that entrants need to check here and will not be emailed about cancellation.) Location: · Tonbridge club field is at Leigh Park Farm. The postcode is TN11 8PN. Additional Info: · The rules are a variant of BARCS Multi-launch but, for Electric launch gliders, the variant is slightly different from last year. As before, Electric launch gliders must be fitted with an AMRT (height limiter) which cuts the motor at 30 secs and records the launch height. Electric launch height remains at 175m but there will now be a penalty of 3 pts per metre for Electric launches exceeding it. Most pilots will want to set AMRTs to cut a little below 175m. It is fine instead to use F5J firmware and cut the motor manually. · A minimum of 4 rounds and a maximum of 6 rounds will be flown Disciplines: · Glider, Electric, Open, 100" ENTRANTS Bloobirds Ian Nicholls Winch Greg Hayfield Winch Iain Stingemore Winch Mike Connell Electric Bromley Alan Twine Electric Bob Ryan Electric Pete Mitchell Electric Canterbury Eddy Small Electric SADMAC John Postle Electric Alan Harris Electric Terry Letchford Electric Brian Martin 100" Electric Invicta Richard Harris Electric Keith Fisher Electric Rob Love Electric Tonbridge Graham Wicks Electric Bob Hope Electric Colin Paddon Electric Derek Potter Electric Guests Garry Matthews Electric Brian Austin Electric Steve Knowles Electric
  22. Event cancelled - Unfortunately the first crop of grass will not have been cut before this date. The next Bartletts event will be as previously published on August 15 You are invited to Bartletts F5J League Round 2 to be held 4 July 2021, CD Ian Nicholls. This is an open competition and qualifies for BARCS League Entry fee £5 payable on the day. We want to have a full day's flying so please check in 09:30 and be ready for Pilots Briefing at 09:45 with the competition starting at 10:00. There will be a half hour lunch break. To enter, please click on Reply to this topic no later than 6pm Friday 2 July with your name, BMFA number, model class (if not Open), and frequency (if not 2.4 ) so a matrix can be set up. A final decision to confirm or cancel depending on the weather will be posted here by noon Saturday 3 July. Location: Bartletts Farm at Rettendon, Essex. Important Covid Advice Do not attend this competition if you are showing any Covid symptoms or have experienced them in the last 14 days. Competition will be paperless using Gliderscore smart phone app. Score records will be issued on the day and must be placed in the Score Record Box at the end of the competition. Bring gloves and sanitiser to the event in case gates need to be opened/shut Do not touch landing tapes, use feet to move tapes relative to front of model after landing Strictly observe the 2m distancing rule. Ensure you follow latest Gov.uk guidelines in respect to washing hands, touching face and hand hygiene. ENTRIES Ian Nicholls BMFA 39293 Steve Knowles BMFA 70799 Eddy Small BMFA 063558 Brian Austin BMFA 057851 Garry Matthews BMFA 32611 Pete Mitchell BMFA 33859 Nick Jackson BMFA 123273 Tony Merritt BMFA 142327
  23. Bromley 2011 - Contest Reports - British Association of Radio Control Soarers (barcs.co.uk) and Kent InterClub Multilaunch - 20 June 2021 at Invicta The latter was only attended by Kent flyers, sadly many from the former are no longer with us, but the opportunity to fly your F3J models in competitions still exists.
  24. ThermalBoy

    PROGLIDE – Home Built Composite F5J Glider - Update October 2018

    In response to the call for some new website content here’s an update on what’s been happening development wise with the PROGLIDE since the last update (March 2017). Short answer, quite a lot! There has now been sufficient time and competitions since the last update to categorically be able to say that the PROGLIDE has shown itself to be a thoroughbred F5J design. I’m not going to list (boring for most people) the many comp successes Kevin and I have achieved with the PROGLIDE other than suffice to say there’s been quite a few of them. Kevin up till now has continued to champion our original wing section whilst I use only the thin winged Synergy section. Both versions have though shown themselves to be excellent performers. We have however found that the Synergy section version offers some advantages over the original wing section in that it hangs in there just as well but shows better penetration in the wind. So what have we been up to over the past year and a half? Firstly we decided that we would like to slim down the fuselage pod to make it more streamlined in its appearance and have a little less air resistance/drag but to still have enough internal space to get everything in without any shoehorning. The attached pictures clearly show just how much its been slimmed down far better than any words can. Kevin, the teams master mould maker, set to work making a new plug followed by new moulds. He did a great job as the pictures show. The other major item we both felt the design would benefit from going forward was to have the ability to produce our own custom sized/lay-ups booms. Whist the commercial versions we have been using certainly did the job they were a tad too lightweight and the size at the tail end was not optimum. After watching a bunch of Youtube videos on the best way for the home builder to make booms we went the opposite way and decided to mould the booms! I had an old Fendon fibreglass boom from way back that just happened to be the ideal size for our new fuselage pod and Kevin used this to make the new boom mould. Unfortunately I forgot to take any pics of the new boom moulds but will do so when I next use them. I had pretty much got on top of producing the carbon fuselage pods to a good standard and right from the first pull the new pods worked out really well. It was a lot stronger and less “Squidgy” under the wing than the original version it was replacing and at 88g AUW, it was light. Next up was the new booms. I had no idea what layup would provide the required rigidity/strength and weight we were looking for. At first I thought the easy way would be to do simple short sections of boom with different layups to determine this. This didn’t work out as I later realised of course that you needed the entire length of the boom in order to test the lateral flex was rigid enough. So no option other than to do various full size test lay-up’s to determine what worked. Home composite building is all about testing , getting it wrong followed by more testing! Laying the booms up in long thin moulds is no easy task to get it spot on and I am still working on the best way to achieve 100% results 100% of the time. Having said that even the first boom out of the mould with a little post production repair work, was totally usable and at 45g not too bad. Its overall strength/rigidity is significantly better than the commercial versions we had been using but it did weigh 9g more. Kevin in fact has used this first boom on his latest model, the PROGLIDE EXTREME. (More on this later). After four complete boom test/lay-ups our preferred lay-up was defined. (Outer - 40g Carboline, Middle-200g UniCarbon, Inner 120g R&G Fibreglass) Final weight of the booms with this lay-up was 41g. Hopefully the weight will continue to come down with more practice. Making the bladders for the booms turned out to be a PITA compared to the fuselage pod bladders, so I’m investigating alternatives for this. We are often asked what pressure we use with our bladders. It surprises a lot of people when they are told it’s between 6-9 psi. The variable air pressure for this task is handled by a £50 EBay airbrush compressor which has a small air reservoir tank. You would be amazed at how much epoxy is expelled from the moulds even at this relatively low psi! I’m sure you’d be able to expel a little more epoxy with a higher psi but its not required for home building as the pics show. Next up was a complete re-work of the spar structure for the centre panel to try and limit wing flex particularly with the thin Synergy sectioned wing. It was decided to completely re-design the spar structure and how it was made. It’s now produced completely outside of the wing and then dropped into a full span channel that is cut from the underside of the wing that finishes 2mm from the top surface of the wing. This has the added benefit that the top surface of the wing requires no additional finishing and gives a perfect top surface ready for lay-up/bagging. Only the underside of the wing where the spar channel is requires minor filling/sanding. The spar uses the protruded commercial 0.5 x 10mm carbon strip top and bottom with solid foam in-between which is then completely wrapped in carbon sock. At the centre of the wing the spars have a substantial moulded carbon dihedral brace that extends out approx 125mm each side. This is made using a simple right angled Aluminium mould. The pics again show it better than words do. I do my spars in two bits and then join the centre panel with the dihedral brace but Kevin makes the entire spar assembly in one piece and drops it into the entire wing centre section in one go. Both methods work fine. Joiner boxes at the ends of the centre section are made by using carbon sock moulded over a 10 x 10mm Ali square tube. Two complete wraps of greaseproof paper are first put around the Ali before the carbon sock is slid on, stretched out and epoxy applied. The greaseproof paper must extend past the ends of the sock by 50mm to ensure no epoxy creeps under it. The greaseproof paper also provides the working clearance fit for the joiners. This technique allows the lightweight carbon joiner box’s to slide off easily from the aluminium after its removed from bagging. The greaseproof paper simply twists out and away from the inner shell of the box’s. Voila, perfect lightweight wing joiner box’s. The same technique is used to produce the carbon tubes now used in the Fin/Rudder. (See pics). New lightweight wing joiners have been produced to keep the weight/inertia down towards the tips as low as possible. The original method of production resulted in each set of joiners weighing approx. 25g. A set of the new joiners weighs approx. 9.5g! At the moment we are carrying on using our original method of spar set-up for the wing tips. Needless to say there is a lot less stress on the wings at the tips compared to the centre section. If however it proves to be the case that the wing tips need or would benefit from the new spar construction method, albeit with a small increase in weight, we will do so. A simplified/lighter method of attaching the fin/rudder to the boom has now been designed. (see pics). One thing that really helped us with the continuing development of the PROGLIDE was the acquisition of a 3D printer. (Every modeller should have one!). We are using this to produce all sorts of PROGLIDE parts including, motor mounts, servo frames, tail pod twin servo carrier, wing end ribs, control horns, centre panel Mpx wing/fuselage plug/socket holders, small part moulds and so on. It’s probably the most useful thing I’ve ever bought for modelling. It took me a bit of time to get on top of it all but it was worth the effort for sure. Finally, this leads me on to our latest development, the PROGLIDE EXTREME. We are currently both building a reduced span (3.55m) version, which will still be light (1150-1250g AUW) but that can handle being ballasted with up to 700-800g of ballast for windy weather use without excessive wing flex. Well that’s the plan at least. The smaller span should also help the tight turning ability in small thermals. Kevin has already produced his EXTREME’S super stiff centre panel using the new centre panel spar lay-up and to quote his words ”I think it would take an F3J tow”. I find that observation reassuring! However, as always, only time and testing will confirm this. The pics attached to this update say a thousand words but if you have any questions please feel free to ask and we will do our best to answer them. Colin Paddon / Kevin Beale
  25. In response to the call for some new website content here’s an update on what’s been happening development wise with the PROGLIDE since the last update (March 2017). Short answer, quite a lot! There has now been sufficient time and competitions since the last update to categorically be able to say that the PROGLIDE has shown itself to be a thoroughbred F5J design. I’m not going to list (boring for most people) the many comp successes Kevin and I have achieved with the PROGLIDE other than suffice to say there’s been quite a few of them. Kevin up till now has continued to champion our original wing section whilst I use only the thin winged Synergy section. Both versions have though shown themselves to be excellent performers. We have however found that the Synergy section version offers some advantages over the original wing section in that it hangs in there just as well but shows better penetration in the wind. So what have we been up to over the past year and a half? Firstly we decided that we would like to slim down the fuselage pod to make it more streamlined in its appearance and have a little less air resistance/drag but to still have enough internal space to get everything in without any shoehorning. The attached pictures clearly show just how much its been slimmed down far better than any words can. Kevin, the teams master mould maker, set to work making a new plug followed by new moulds. He did a great job as the pictures show. The other major item we both felt the design would benefit from going forward was to have the ability to produce our own custom sized/lay-ups booms. Whist the commercial versions we have been using certainly did the job they were a tad too lightweight and the size at the tail end was not optimum. After watching a bunch of Youtube videos on the best way for the home builder to make booms we went the opposite way and decided to mould the booms! I had an old Fendon fibreglass boom from way back that just happened to be the ideal size for our new fuselage pod and Kevin used this to make the new boom mould. Unfortunately I forgot to take any pics of the new boom moulds but will do so when I next use them. I had pretty much got on top of producing the carbon fuselage pods to a good standard and right from the first pull the new pods worked out really well. It was a lot stronger and less “Squidgy” under the wing than the original version it was replacing and at 88g AUW, it was light. Next up was the new booms. I had no idea what layup would provide the required rigidity/strength and weight we were looking for. At first I thought the easy way would be to do simple short sections of boom with different layups to determine this. This didn’t work out as I later realised of course that you needed the entire length of the boom in order to test the lateral flex was rigid enough. So no option other than to do various full size test lay-up’s to determine what worked. Home composite building is all about testing , getting it wrong followed by more testing! Laying the booms up in long thin moulds is no easy task to get it spot on and I am still working on the best way to achieve 100% results 100% of the time. Having said that even the first boom out of the mould with a little post production repair work, was totally usable and at 45g not too bad. Its overall strength/rigidity is significantly better than the commercial versions we had been using but it did weigh 9g more. Kevin in fact has used this first boom on his latest model, the PROGLIDE EXTREME. (More on this later). After four complete boom test/lay-ups our preferred lay-up was defined. (Outer - 40g Carboline, Middle-200g UniCarbon, Inner 120g R&G Fibreglass) Final weight of the booms with this lay-up was 41g. Hopefully the weight will continue to come down with more practice. Making the bladders for the booms turned out to be a PITA compared to the fuselage pod bladders, so I’m investigating alternatives for this. We are often asked what pressure we use with our bladders. It surprises a lot of people when they are told it’s between 6-9 psi. The variable air pressure for this task is handled by a £50 EBay airbrush compressor which has a small air reservoir tank. You would be amazed at how much epoxy is expelled from the moulds even at this relatively low psi! I’m sure you’d be able to expel a little more epoxy with a higher psi but its not required for home building as the pics show. Next up was a complete re-work of the spar structure for the centre panel to try and limit wing flex particularly with the thin Synergy sectioned wing. It was decided to completely re-design the spar structure and how it was made. It’s now produced completely outside of the wing and then dropped into a full span channel that is cut from the underside of the wing that finishes 2mm from the top surface of the wing. This has the added benefit that the top surface of the wing requires no additional finishing and gives a perfect top surface ready for lay-up/bagging. Only the underside of the wing where the spar channel is requires minor filling/sanding. The spar uses the protruded commercial 0.5 x 10mm carbon strip top and bottom with solid foam in-between which is then completely wrapped in carbon sock. At the centre of the wing the spars have a substantial moulded carbon dihedral brace that extends out approx 125mm each side. This is made using a simple right angled Aluminium mould. The pics again show it better than words do. I do my spars in two bits and then join the centre panel with the dihedral brace but Kevin makes the entire spar assembly in one piece and drops it into the entire wing centre section in one go. Both methods work fine. Joiner boxes at the ends of the centre section are made by using carbon sock moulded over a 10 x 10mm Ali square tube. Two complete wraps of greaseproof paper are first put around the Ali before the carbon sock is slid on, stretched out and epoxy applied. The greaseproof paper must extend past the ends of the sock by 50mm to ensure no epoxy creeps under it. The greaseproof paper also provides the working clearance fit for the joiners. This technique allows the lightweight carbon joiner box’s to slide off easily from the aluminium after its removed from bagging. The greaseproof paper simply twists out and away from the inner shell of the box’s. Voila, perfect lightweight wing joiner box’s. The same technique is used to produce the carbon tubes now used in the Fin/Rudder. (See pics). New lightweight wing joiners have been produced to keep the weight/inertia down towards the tips as low as possible. The original method of production resulted in each set of joiners weighing approx. 25g. A set of the new joiners weighs approx. 9.5g! At the moment we are carrying on using our original method of spar set-up for the wing tips. Needless to say there is a lot less stress on the wings at the tips compared to the centre section. If however it proves to be the case that the wing tips need or would benefit from the new spar construction method, albeit with a small increase in weight, we will do so. A simplified/lighter method of attaching the fin/rudder to the boom has now been designed. (see pics). One thing that really helped us with the continuing development of the PROGLIDE was the acquisition of a 3D printer. (Every modeller should have one!). We are using this to produce all sorts of PROGLIDE parts including, motor mounts, servo frames, tail pod twin servo carrier, wing end ribs, control horns, centre panel Mpx wing/fuselage plug/socket holders, small part moulds and so on. It’s probably the most useful thing I’ve ever bought for modelling. It took me a bit of time to get on top of it all but it was worth the effort for sure. Finally, this leads me on to our latest development, the PROGLIDE EXTREME. We are currently both building a reduced span (3.55m) version, which will still be light (1150-1250g AUW) but that can handle being ballasted with up to 700-800g of ballast for windy weather use without excessive wing flex. Well that’s the plan at least. The smaller span should also help the tight turning ability in small thermals. Kevin has already produced his EXTREME’S super stiff centre panel using the new centre panel spar lay-up and to quote his words ”I think it would take an F3J tow”. I find that observation reassuring! However, as always, only time and testing will confirm this. The pics attached to this update say a thousand words but if you have any questions please feel free to ask and we will do our best to answer them. Colin Paddon / Kevin Beale View full f5j article event or report
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