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    • Robin Sleight

      CAA Revised Air Navigation Order

      By Robin Sleight, in News & Information,

      Air Navigation Order
      All types of flying in the UK including that of model aircraft is subject to regulations as created by the Civil Aviation Authority.  Fortunately the BMFA and BARCS enjoy a good relationship with the CAA and UK regulations are much more model friendly than in some counties notably the USA.
      The CAA will, come about July/August this year, re-issue CAP 658 – Model Aircraft.
       Key changes are a legal definition of what is a model – a small aircraft flown specifically for Sport and Recreation, and what is a small
       UAV- a small aircraft flown for some commercial purpose.  Additionally this revised CAP make rulings, as applicable to gliders over 7kg  in weight.  These are identical to those which have applied for some time to powered aircraft (IC and electric).  No changes whatever, simply a few clarifications, apply to models of less than 7kg in weight.  All changes, indeed the whole CAP, are very sensible and the entire CAP is worth reading for the good advice it contains as well as the regulatory definitions.
      In more detail any model over 7kg (now including pure gliders), require specific permission before being flown within controlled airspace or within an active airfield traffic zone.  The inclusion of gliders is new but only in line with existing rules for powered models.  No other limitations apply up to a weight of 20kg.
      For gliders which weigh between 20 and 150 kg a formal “Exemption Certificate” is now required.  Powered models, including electric powered soarer’s in this weight bracket have required such certificates under the existing CAP regulations but (very sensibly) pure gliders too are now included.  The advice of the LMA should be sought in regard to such certification as they operate a CAA approved model inspection scheme on behalf of all UK aeromodelling associations.  The issue of such a Certificate requires build inspection/s and flight test but the full requirements are detailed by the CAP and available from the LMA.   The CAA in conjunction with the LMA will agree to “grandfather rights” as applicable to models in this weight bracket which already successfully flying.  However any such model will loose the grandfather right to the waiving of the exemption certificate if it is either subject to non trivial structural damage or acquires a new owner.
      Finally gliders over 150kg in weight are treated in much the same way as full size aircraft and the CAA should be contacted to advise requirements.  Approval from EASA is also likely to be required

    • Tribute to Harry Coover

      By Sydney Lenssen, in News & Information,

      Harry Coover – every aeromodeller’s friend. By Sydney Lenssen.
      Last year Harry Coover received the National Medal of Technology and Innovation from President Barack Obama, 52 years after “superglue” was introduced.
      Harry Coover might not be a name known to every aeromodeller, but his invention of cyanoacrylates resulted in an adhesive which is used by all of them worldwide. If you had to name a substance vitally important to modellers today, no longer would it be balsa wood, but “Zap”, “Loctite”, “Super Glue” and many hundreds of other brand names which spell instant adhesion.
      Harry Coover died on 26 March 2011 aged 94, and his obituary dispelled one of the myths which I always held firm: cyanoacrylates were invented during the Vietnam war, and sprayed on to seal open wounds until soldiers could be flown to operating theatres. That application  is true and it’s the one of which Coover was most proud.
      But the reality is that zap was discovered by accident during the second world war when chemist Coover was experimenting for Eastman Kodak with clear plastics which could be used to make unbreakable gun sights; that got nowhere. In 1951 he came back to cyanoacrylates for jet cockpit canopies. Testing for resistance to heat, his co-worker Fred Joyner – appropriately named – found that refractometer lenses were bonded together. They recognised that this stuff could bond almost anything under most conditions.
      Superglue appeared on the market in 1958 and was called Eastman 910, and in 1963 Eastman Kodak sold the formula to American Sealants who then produced Loctite Super Glue.

      The original product
      Aeromodellers and many other buyers made zap immensely profitable, especially after Coover’s patent expired, but by that time he had filed nearly 500 patents, many of them extremely successful.
      So next time you are rescued while out flying by a drop of zap, think and thank Coover!
      Sydney Lenssen

    • Radioglide 2011 Information

      By Austin, in Radioglide,

      BARCS Radioglide 28th-30th May at Marsh Gibbon, nr Bicester. This years event will have BARCS ELG and 100s on 28th followed by F3J on the 29th. The 30th May will have multilaunch from 10am. Camping is available on the field from Friday evening. Last official day for entries 15th May!

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