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C46_Palas_03.jpg
The 2 Palas under wings of a Curtiss C-46 Commando. Source : Flight, November 1952

Curtiss C-46 Commando


Turbomeca Palas turbojet assist engine is shown mounted on the wing of a Lloyd Aero Colombiano C-46. This was the first time an installation of this type has been made for passenger service by a U.S. modification base. L.B. Smith Aicraft Corp., Miami. did the job. The turbojet flush intake nacelle was developped by the French firm, SNCASO. to prevent engine's compressor from windmilling in flight. L.B. Smith converted (at least) three C-46 for the intra-Colombian airline.

The assist units, together with the plane's regular P&WA R2800 engines gave the C-46 a total of 2,400 hp. for takeoff at 8.200,ft.-high Bogota, Lloyd's headquarter's in Colombia.

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Palas Jet under C-46 wing. Source : Aviation week, December 19, 1955
C46_Palas_01.jpg
Turbomeca Palas lightweight turbojet fitted beneath the starboard wing of a Curtiss C-46 Commando. Source : Flight, November 1952
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Palas were cowlings have been removed to show the casing of the centrifugal compressor, and the annular combustion chamber. Source : Flight, November 1952