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Strange Old Ideas for Helicopters

hesham

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From; Изаксон А. М. - Геликоптеры - 1947
 

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Tzoli

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Is that a propeller driven rotor on the first image 2nd row 2nd cell???
 

RanulfC

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Is that a propeller driven rotor on the first image 2nd row 2nd cell???
Yes it is, The idea is for powering the rotor with installed, very light weight, high power engines to eliminate torque issues much like the later 'tip-jet' and 'hot-cycle' helicopters would use. The idea has been brought up multiple times. In this case since tip-jets weren't around they natural thought was to use prop dirven engines on the blades. You can probably see why this didn't work out to well :)

Randy
 
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