Miles M.39B Libellula


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Miles M.39B Libellula

The M.35 was completed and flown in six weeks but proved to be unstable. Wind tunnel tests showed the problems to be curable and George Miles conceived a heavy bomber, the M.39, to be powered by three turbojet engines, or in its initial form with two high-altitude Rolls-Royce Merlin 60s or Bristol Hercules VIIIs.

A five-eighths scale model of the bomber was built and designated M.39B, flying for the first time on 22 July 1943 and proving to be aerodynamically stable. Flight trials were initially on a private basis, but in 1944 the M.39B went to the Royal Aircraft Establishment at Farnborough, where it suffered two accidents. After extensive repairs the work ended.

 MODELM.39B Libellula
 ENGINE2 x de Havilland Gipsy Major 1C, 104kW
  Take-off weight1270 kg2800 lb
  Empty weight1091 kg2405 lb
  Wingspan11.43 m38 ft 6 in
  Length6.76 m22 ft 2 in
  Height2.82 m9 ft 3 in
  Wing area23.15 m2249.18 sq ft
  Max. speed264 km/h164 mph

Frank Doerle, e-mail, 21.08.2015 21:33

I am in the process of drwaing up plans for a 1 /5 scale RC model and would like to get some CG info on the M.39B. Any help woul be appreciated.


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