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The movable propeller shaft was not the problem I was thinking of but the propeller diameter. You are right about the "high-revving" ones but were they capable of something like this in the 30s? AFAIR this a/c never flew at all. That's the reason to ask if somebody knows more.A small, high-revving propeller can do the job. Not as well as a large, slow-turning one, but still manageable—and probably just enough to get the aircraft airborne and stable.
As a reminder, some Dornier seaplanes also featured movable propeller shafts.
At first glance, I thought the top photo was AI.View attachment 854419
One needs an explanatory photo to see how this a/c takes off.
But I still ask myself: did this thing fly? With that fan for a propeller?
I think that's U.S.S. Robin.Photographed at Hvalfjord (Iceland) on 4 October 1941 by a US warship, the armoured carrier Victorious shows her initial radar equipment HERF
View attachment 854422
A small, high-revving propeller can do the job. Not as well as a large, slow-turning one, but still manageable—and probably just enough to get the aircraft airborne and stable.
As a reminder, some Dornier seaplanes also featured movable propeller shafts.
Now known as Patrick Space Force Base. The only space force base with seaplane ramps.U.S. Navy Martin PBM-3C Mariners of Patrol Squadron 201 (VP-201) at Naval Air Station Banana River, Florida (USA), on 13 January 1943 WIKI
How did you manage get inside the plane?.. (and I have flown in a 40hp cub on skis).
I still remember Budd Davidson's account of flying a 37 HP Cub. I was laughing so hard, I couldn't see past the tears in my eyes.(and I have flown in a 40hp cub on skis).