incidence question, for geometry wiz's

[Terry Brox]

Using my own equation, TLAR, I believe you got it right. And you have the idea of my question correct. Will you be at Pheonix next month? I plan on attending. Thanks, Terry
  ----- Original Message ----- 
  From: David Flynt 
  To: discussion at nsrca.org 
  Sent: Friday, January 17, 2003 11:46 PM
  Subject: RE: incidence question, for geometry wiz's


  Terry,

  I did not exactly follow where you want to measure, but I believe that the answer is raise the leading edge 0.0916 inches above wing center line, which is about 3/32.

  Math: 
  tan (angle) = opp/adj
  opp = adj * tan(angle) 
  opp = 7 * tan (3/4) = 0.0916 

  David Flynt
    -----Original Message-----
    From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On Behalf Of Terry Brox
    Sent: Friday, January 17, 2003 9:05 PM
    To: discussion at nsrca.org
    Subject: incidence question, for geometry wiz's


    For all you mathematical intellectuals, I dont have an incidence meter that I feel too good about, so here is my question: I have a datum line drawn on the side of a fuse, a line parallel to the datum through the wing tube, and the distance from the center of the wing tube to the leading edge is 7". The plans call for 3/4 degree positive incidence. What is the measurement from the parallel line (to datum) to the center line of the root?
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