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Propeller Blockage factors
Source:Internet Author:Unknow Pubdate:2008-04-20  
verymadmac (Mechanical) 11 Oct 07 3:57
HI

I am looking for a method for calculating the thrust loss due to propeller body interactions (due to the increase in local velocity & pressure effects).
 I currently am using the S.B.A.C. Standard Method of Propeller Performance Estimation, but would like to find a second method to estimate the loss. The methods in Torenbeek & Roskam originate from the SBAC method.

Duncan

40818 (Aerospace) 16 Oct 07 14:48
I dont have the SBAC and cant find toreenbeek, where abouts in Roskam's is the method shown??

verymadmac (Mechanical) 20 Oct 07 3:17
HI

When I said Roskam, I should have said Lan & Roskan meaning "Airplane Aerodynamics and Performance" rather than “Airplane Design” which strangely is missing any mention of it. 字串1



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