Quiet Aircraft PropTech Useful

A discussion on ways to reduce it.
Southern Airboat Member
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Joined: Mon Dec 07, 2015 11:52 am

Quiet Aircraft PropTech Useful

Postby WBS » Thu Feb 25, 2016 6:27 pm

The HBG (HomeBuiltAircraft) site has useful info. Check their search box using "Quiet Propeller". Also "YO-3A" a military quiet observation aircraft. You might also search engine those terms. The general biggest bang for the buck seems to be go large diameter, low tip speed, multiple blades. If you want to do even better a proper shroud. Double the thrust for the same diameter has been well demonstrated for many years but you don't just dump a prop in a can and they can be light. At airboat speeds under 150 mph drag is not an issue. A shrouded prop is ideal 0-100 mph.

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