View Single Post
  #136  
Old 7th August 2008, 23:51
Harri Pihl Harri Pihl is offline
Senior Member
 
Join Date: Aug 2006
Location: Finland
Posts: 110
Harri Pihl is on a distinguished road
Re: Performance of the Fw 190A on the Deck?

Quote:
Originally Posted by Crumpp View Post
Go back and re-read.
Graham's original point was clearly not a reply to your statement. period.

Quote:
Originally Posted by Crumpp View Post
We see the magnitude of the affect of weight in our parametric study.
Nope, it gives too high magnitude for this specific problem.

Quote:
Originally Posted by Crumpp View Post
Why do you think the forumla is there under the portion explaining the affects of weight in the aerodynamic textbooks?
The formula is mainly for calculating cruise speeds at L/D max, just like Graham pointed out earlier. It assumes constant Cl so it is not a good method for our problem here.