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  2. John Minchell

    BMFA Buckminster. To much of a success?

    I was initially against having a national centre as it would inevitably be only regularly of use to locals and those who went to their own flying discipline events. Also, the expectation that it would be subsidised by the 30,000+ members subscriptions. This was however when the proposal was to buy premises which would be £1,000,000++ Once that idea was sidelined and a leasing arrangement was proposed at a reasonably acheivable figure of a few tens of thousands per year, AND with a get-out clause, which would not see the membership saddled with a huge mortgage for 50years or more, then it made a more sense. At the special EGM prior to the decision, I asked "can the committee GUARANTEE the membership that the annual subscription will not be put up substantially to cover the NC?" I got the answer that although they could not guarantee it, but that the NC would be its own cost centre and would have to cover its own costs. The fact that the property owner who gave the lease was also prepared to chip in equal funding to match ours when refurbing the various buildings was a distinct bonus (halving our costs). The rise in membership cost this year, I was informed, was because the no claims bonus from the insurance company (£30,000) was unlikely to be paid to the BMFA this year as there had been many more claims. Most were for crashes into vehicles and you lot are all driving Porsches, BMWs and Mercedes now which cost a lot to repair. IE. it was not an increase to cover the NC, but just altered operating costs of the general business of the BMFA. I have to attend the Scale Tech Committee meetings over the year and they are held at Buckminster NC so I have seen how it has developed from the beginning. It is good and getting better, but yes I understand it is not for everyone. None of my local modellers will ever go there (280 miles round trip) unless they are in the minority of model pilots who travel for competitions, or SAM 35 events etc. or fly ins etc .. However aeromodelling in all its forms now has it as a venue and so we must use it and make the best of it however we can, otherwise it really will be money wasted. No point in arguing over it now, John M
  3. John Minchell

    Umx Glider - Ask 21

    I have one and its a hoot, even under slope conditions which you would think are too windy. Have aero towed, bungee'd and hand launched it and its good at all of them. Even came second in the Long Mynd Scale event one year, when there was very little wind. Some wag asked if it would fly inverted, so I tried it and caught a thermal and it went up inverted - great fun. John M
  4. Today
  5. SilentPilot

    Umx Glider - Ask 21

    I used to high start mine! Went up great but it's a little too fast coming down again Slope soaring is what it does best! Never aerotowed it with my Carbon Cub. I'd like to but I think a bit of practise with the Tundra/Ka8 combo first wouldn't go amiss!!! Tony
  6. Just to put all this together for clarity: The published exemption from the standard 400 ft maximum for all small unmanned aircraft >7kg applies to BMFA, LMA, SAA and FPV-UK members only. (Ref: Para 2, ANO 2016) A glider with a mass that is greater than 7kg but less than 14kg may be flown at a height in excess of 400ft above the surface of the earth beneath it, provided that the aircraft is not flown at a height greater than 400ft above the remote pilot at any time. (Ref: para3.f, ANO 2016) If your slope soarer is less than 7kg then you may fly higher than 400ft measured anyhow, provided you maintain visual contact sufficient for control. All this is providing you are not within a flight restricted zone (FRZ) within which you need to ask permission to fly. Now, what’s tomorrow’s forecast… John
  7. SoggyBoots

    Umx Glider - Ask 21

    I know this thread is well dead but..... I've had 2 tiny k21s.... loved them both, they flew so well and looked amazing. just a shame they discontinued them with no replacement. If anyone comes across one for sale, hit me up or pick one up yourself you won't regret it
  8. Mark Evans

    Stream NXT

    I was really struggling with my Frsky stuff, I was getting twitches on the servos and not just an increased buzz, but I moved the wires around a few times and it seems to have settled. Im using the RX6R and wondering if the D4R would be better as it doesn’t have the latest increased sensitivity? @Neil Harrison I know right?! I’ll be into you for my next plane soon what you got at the moment?
  9. Paul Gleeson

    Stream NXT

    +1 for the FrSky RX The G-RX6 (with altimeter / various) is brilliant
  10. Neil Harrison

    Stream NXT

    About time you got this flying...…. FrSky is amazing and the new receivers are not only smaller, but also have a 40% increase in range
  11. I know what you mean - I was circling with Red kites twice at the weekend (at the National Centre...) I can see both points of view. For those flyers who aren't interested in the kind of events (mainly competitive flying it seems) that are held there its largely pointless. For those that attend those events its a great central hub that provides a good venue (that is equally awkward to get to for everyone )
  12. Steve J

    BMFA Buckminster. To much of a success?

    Lease cost for '19/'20: £27,000 (out of a total expenditure of £72,000) Steve
  13. Big Si

    BAMF boom repair

    the carbon is on the inside between the carbon outer skin and the rohacell 3 layers of carbon tissue all round and a carbon stick as such stuck to the original wing spar hate to stick anything on the out side as I feel I have just done it the easy way lol,sad I know but that's me
  14. Phil.Taylor

    BMFA Buckminster. To much of a success?

    So what is this fantastic facility? - basically a model airfield - a "patch". Any other model airfields out there? - amongst the 780 affilliated clubs? - any with toilets? - tea & coffee? - any that hold gatherings & events? - any others that are subsidised nationally by 36,000 members? Phil.
  15. ceebee

    BARCS-ELG 28thApril 2019

    Open on 2.4 please Peter. BMFA 027713 BARCS 3106
  16. MikeDLG

    BAMF boom repair

    Looks good. What have you used to bridge the break? I don't see any carbon on the outside.
  17. SoggyBoots

    CHRIS FOSS PHASE 7 NOW AVAILABLE

    Three weeks late but you still got me
  18. Big Si

    BAMF boom repair

    3 pics of the finished wing sorry forgot to do a before and during pics
  19. Big Si

    BAMF boom repair

    I got a knife between the carbon skin and rohacell to separate the 2 about 30mm all round both sides of the wing then I got a sanding bar and slid it in under the carbon and sanded the rohacell about .03 of a mm all round both sides and then cut some strips of carbon tissue 60mm wide and slid them into the main wing half way and did3 layers all different ways then just supper glued it holding the carbon skin tight to the core so it bonded all 3 together and let it then dry ( cup of tea time ) then made a carbon spar to run down the back of the main spar about 70mm long by the depth of the wing and mafde it sharp each end and slid it in both ways down the back of the main spar then glued it to one side then cut the tissue sticking out till it would allow the 2 halfs of the wings to but up nice all round then I just supper glued it all and let set.then when dry I just got some wet and dry and sanded it smooth came out really good and I was well pleased so like I said yesterday me and simon had a couple of hours before the rain and we could not brake it so seems good and looks fairly tidy,if I wanted to be bothered a di of filler and a sand and some fresh paint you would be hard pressed to see the mend sods law the underside looks very good and neat so when flying you really cant see it at all and if flew same as before and did not seem to ned a c of g change so well pleased with it all
  20. PaulR

    BAMF boom repair

    (The weight shown on that front scale is with ballast) I had to extend the rear leg since my scales are not the same height. If it’s not level then measurements will not be correct.
  21. PaulR

    BAMF boom repair

    Well, its certainly wet and windy out there. The field at the back of the house has long grass in now which was great for soft landings. Elevator trim is somewhere closer to correct and with my biggest ballast stick (which is only 60g) I could just about hold position in the sky. No damage, everything held together. The CoG measuring device I was referring to was a cardboard version of a 3D printed thing someone posted on RCGroups. I can't find it right now, but basically if you have a stop to put the wing against and a known distance between the two points (200mm in my case) at which you measure the weight then you have: CoG (mm from leading edge) = 200(mm) * (Rear weight/Total weight)
  22. pete beadle

    BMFA Buckminster. To much of a success?

    Hi Mike I get a similar buzz as I'm driving up the little hill to the main car park at Ivinghoe.......I get an even bigger buzz when I am joined in flight by Red Kites flying there Buckminster is a round trip of 240 miles for me, I don't compare the journey there and back as multiples of the BMFA annual subs I simply work out what else I could do with the cost of the eight gallons of petrol I'd have to spend, and how much that is as a percentage of my pension Oh, and BTW Mike DLG, there IS a good slope quite close to the National Centre, unfortunately it's not a patch on the Ivinghoe hills I too hope that other BMFA members visit the National Centre and enjoy its facilities, it's just far too far for me to travel for a day out, oh, and did I mention, too costly too? Regards Pete BARCS1702
  23. Paul Gleeson

    BAMF boom repair

    How did you do the repair "inside"?
  24. Big Si

    BAMF boom repair

    Hay glad its mended and ready to fly again after the weekend I have managed to mend my Snipe wing I snapped in half on the sat as well ,should of took some pics along the way but forgot sorry came out really well using carbon tissue and supper glue all on the inside under the carbon skin and between the rohacell core so nothing on the ous side to add drag lol me and my mate Simon managed to have a couple of hours yesterday flying and trying to brake the wing but it held fab and not even a crack or noise from it so well pleased so I am sure yours will be just as strong once you get some weather to go play again was great to meet you the weekend and I look forwards to my BAMF turning up soon, MKS servos should be here tomorrow for it so be no excuses not to get it done and flying Simon C
  25. Gary B

    Multiplex Arriba

    Tissue covering: It's like Marmite, you either hate it or love it! I've always had an aversion to it, I guess because the skill or patience wasn't there when I was much younger. My dad's brother had a huge stash of the KeilKraft Flying Scale kit range, every time we visited he would give me a kit. I would build it fairly reasonably then hand it over to dad to cover it. We scratch built a 1/12 Lancaster in 1977, Nylon covered but with a bit too much dope, giving the 'starved horse' look on the fuselage. It's still in my loft. Just recently I decided to try and banish my covering demons and deliberately tackle tissue covering. I read loads of guides (everyone has their own way) and waded in to finish an Airsail Voltimer that I built in February. Unsure of the quality of tissue offered for sale today I found some NOS Star Span tissue. The trading status of the company supplying it is unclear, I would like some more, emails go unanswered. The Star Span shrinks very well with water only, if there are any persistent wrinkles they can be removed with a covering iron. The finished job came out quite well (for my standards!) and the only problem is the tissue is quite fragile as it's the lightest weight (9g sq/m) and is probably intended for smaller models. I bought some lightweight tissue at the Nationals a couple of years ago for a rainy day, it could be Modelspan, seems good quality anyway. It has a grain which I've placed spanwise on the Arriba tailplanes, one coat of 80/20 dope/thinners applied to the veneer and rubbed back, then dry tissue draped over the part and misted with a water spray borrowed from Mrs B. Same strength dope applied around the edges only then let the water do its job of shrinking. Repeated on the other side. Just now I brushed the remainder of the surface with dope (missing the edges in case they come adrift), both sides at once to reduce risk of warps. I used the tailplane wires to hold it under a dead gel cell battery. Will rub that back (500 grit) then switch to Banana oil/Amyl acetate, as many coats as it takes to get a finish ready for primer.
  26. Paul Gleeson

    BAMF boom repair

    How does your split scale work?
  27. MikeDLG

    BMFA Buckminster. To much of a success?

    I agree with you 100% Mike. I think it is sad that some people cannot appreciate the fantastic facility we have with the National Centre. I wonder how many of those have even been there? I imagine that if it had a fantastic slope as well, there might be less discontent. But you can't please everyone all of the time.
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