REFLECTOR: Builder POH additions

[Laurence Coen]

Al,

It has been my experience that a 180# difference in fuel weight makes only a minor difference in performance but a 180# passenger in the front seat makes a very noticeable difference.  I add about 5 knots. to my rotate speed with a front passenger.  If you develop performance numbers for your aircraft at gross and a near minimum weight you should be able to apply the KOCH chart by interpolating your current weight to find the performance figures.

Larry Coen
N136LC
  ----- Original Message ----- 
  From: Al Gietzen 
  To: 'Velocity Aircraft Owners and Builders list' 
  Sent: Wednesday, February 27, 2008 10:53 AM
  Subject: Re: REFLECTOR: Builder POH additions


  The KOCH chart is a great reference for temp and altitude.  Is there some standard reference for the effect of aircraft weight?

  Al



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