Quote:
Originally Posted by BReif61
Isn't the most aerodynamically efficient propeller a counter-weighted single blade? Which obviously has its own drawbacks.
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My partner designs blades for different industries - aircraft, UAS, even Chicken Houses.
Michigan Aero undergrad, Stanford MS in Aero. We chatted a few minutes ago in preparation for a 0830 meeting with our folks.
His answer: "It depends."
He is going to send me some links later.
The chicken house design efforts center around cooling fans for the large houses. They want maximum efficiency across a fairly wide temperature range and air flows. Electricity is the number one cost for the chicken industry.
We do the design work for the largest supplier of fans in the USA.