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Propeller slipstream

by kevjcarvalho
Tags: propeller, slipstream
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kevjcarvalho
#1
Jun8-10, 11:46 AM
P: 42
Is the effect that the propeller slipstream (i.e the helix) hits the tailplane causing much instability quite significant such that if u are using a tractor propeller a single rudder wont work creating the need for two rudders away from the slipstream path??
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Cyrus
#2
Jun8-10, 01:42 PM
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P: 4,777
There is no easy answer to that question, as it depends on the design of the aircraft. The effect of the slipstream is to induce a sidewash factor that modifies the verticle fins angle of attack.
kevjcarvalho
#3
Jun8-10, 11:09 PM
P: 42
Is there any way to actually find the path of the helix???....like using CFD.

Cyrus
#4
Jun8-10, 11:48 PM
Cyrus's Avatar
P: 4,777
Propeller slipstream

Sure, you can run CFD and then look at a plot of the streamlines. But that is going to be a huge under taking, and require a ton of processing power.


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