incidence question, for geometry wiz's

[David Flynt]

Terry,

I plan to be there.  I still have my trusty Elan from last year that I will
be flying for a while until I get my Partner completed.  I will see you
there.

David
  -----Original Message-----
  From: discussion-request at nsrca.org [mailto:discussion-request at nsrca.org]On
Behalf Of Terry Brox
  Sent: Friday, January 17, 2003 10:27 PM
  To: discussion at nsrca.org
  Subject: Re: incidence question, for geometry wiz's


  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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