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Old May 20, 2015, 01:27 PM
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And I don't see how that could possibly help with aerodynamics if you are blocking off the main air intakes unless you are sporting a propeller on that bird... A edf fan that is not advisable by any means.
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Old May 20, 2015, 01:59 PM
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Hey, don't kill the messenger.

I agree, I don't understand the aerodynamics of it myself. That was the way I interpreted what Joe is saying though. We'll see if he clarifies.
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Old May 20, 2015, 02:04 PM
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Quote:
Originally Posted by Aros View Post
Hey, don't kill the messenger.

I agree, I don't understand the aerodynamics of it myself. That was the way I interpreted what Joe is saying though. We'll see if he clarifies.
LoL! No problem man..but I can't wait to hear Joe's explanation.
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Old May 20, 2015, 04:06 PM
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I think he was referring to my SR-71 that I am running with a pusher prop setup.
If I were to aerodynamically seal off the intakes (not create an air damn) it would pick up some speed. This because it would only produce air resistance out side of the nacelles. But I too like the look and will just look for a better motor prop setup to get more speed.

Gravy
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Old May 20, 2015, 05:15 PM
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That makes sense.
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Old May 20, 2015, 07:45 PM
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Quote:
Originally Posted by Gravythe Clown View Post
I think he was referring to my SR-71 that I am running with a pusher prop setup.
If I were to aerodynamically seal off the intakes (not create an air damn) it would pick up some speed. This because it would only produce air resistance out side of the nacelles. But I too like the look and will just look for a better motor prop setup to get more speed.

Gravy
You got it. The open intakes on a pusher prop results in a considerable increase in surface area and results in much more drag. With an edf, you are making up for the drag by converting electricity to mechanical work inside the engine tubes. Pusher props do not have that advantage.
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Old May 20, 2015, 07:51 PM
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Makes sense...I forgot you had a pusher setup...
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