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Old 02-16-2013, 05:47 PM   #13 (permalink)
ChazInMT
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Join Date: Jan 2010
Location: Vero Beach, FL
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MagMetalCivic - '04 Honda Civic Sedan EX
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Quote:
Originally Posted by mort View Post
This isn't a pure slam-dunk. Good propellers are about 85% efficient, compared to 90 to 95% efficient gears and tires drive train - so it doesn't look that bad. Only going to waste a little gas.
-mort
If by a little gas you mean I'd only get 31MPG with my car as opposed to 35MPG I suppose you're right. And that assumes a perfect propeller design and implementation....something a home built Briggs and Stratton motor with a "who knows the source" propeller is unlikely to yield.

And don't even get me started on the aerodynamic aspect of something sticking up on a vehicle that is at least 2 square feet of added frontal area.

This isn't the worst idea ever, it just really does not pen out at all in being able to improve what is the current drive train.
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