Lassota-Wasilewski Ikar Twin-Boom Moror-Glider Project of 1945

Hi,

the Ikar was a twin-boom motor-glider project for 1945 competition,17 proposals
submitted to this contest.
 

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From Technika Lotnicza 1982
 

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Mounting the propeller ABOVE the trailing edge solves two problems: balance and foreign object debris.
Most pushers (e.g. Republic Seabee light amphibian) struggle to balance. Republic solved their problem by adding a propeller shaft extension.
The second problem is foreign object debris (e.g. gravel) thrown up by the nose-wheel. Even sand can soon ruin a propeller.
 

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