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Title:More on ducted propellers, the Q-tip propeller
Duration:09:03
Viewed:188,161
Published:28-08-2015
Source:Youtube

When I did a video explaining how ducts improve the performance of propellers, a number of people asked why they don't simply put tip-fins on the end of regular propellers to improve efficiency. Well the Q-tip propeller is the closest thing you'll find to a prop with a tip-fin and in this video, I explain how it works and provide some pictures of one fitted to a full-sized autogyro.

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