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The Ongoing Mystery Aircraft Thread Part Deux.

Sikorsky S.31 Type 'W'. (The S.31 was envisaged in four modes - Type M for mail, Type W for gunnery training, bombing, etc, Type P - passenger, and PH - photography.)

Something contemporaneous but much prettier...
 
Pretty sure on the Fiat so I better post a new mystery. Otherwise Lefty will be grumpy in the morning. ;)

Let's step away from the biplane pit with an eight passenger airliner...
 
Moses' machine is one of those Russkis with a bewildering number of sources, designers, manufacturers, etc. I have it as the Lig-6 or LEM-3 designed by a Comrade Dormachev of the Leningrad Institute of Civil Aircraft.

It is also according to one source, a powered glider. Will someone explain to me the difference between a normal high-aspect-ratio aircraft and a powered glider, please ? (One of Wout's recent posts also called itself a powered glider). Do powered gliders always have to be towed into the air, like this one? I think not.

Non-grumpy Lefty :mixedsmi:
 
I can tell when this one is revealed it's going to be one of those "DUH" moments. I've seen this bird many times, but I'll be buggered if I can pin it down. Ughh.
 
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