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flying flea aerodynamics question
mignet's flea had an aerodynamic problem due to an unpredicted slot effect. this is from a british museum web site.... "Following a series of fatal accidents involving this type the French authorities banned its use in 1936 and wind tunnel tests revealed an aerodynamic flaw that could result in an uncontrollable and ever steeper dive. The Air Ministry subsequently issued a ban in the summer of 1937 and GAEEH was dismantled and stored in the owner's garage." the wind tunnel tests referred to were in the RAE tunnel at farnborough and made the flea the first full size aircraft ever tested in the tunnel (because it was small enough to fit). the result of the work done in farnborough actually saw a number of mods to the flea that actually fixed the problem. has anyone ever seen an aerodynamics report from the wind tunnel testing. I am presuming that there would have been a formal report written up and while the nasa web search engine gives us access to the naca aerodynamics work, I've never encountered similar from the british. does anyone have a link to a report of the 1936/7 flying flea aerodynamics investigations? I'd sure appreciate one. Stealth Pilot |
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