Jerry, is the thrust line 10.7 inches down from the top of the
firewall?


Paul Lamar

There it is.  Tailwinders have been raising the top of the firewall for
a long time.  This lowers the angle of the windshield and reduces drag.
  Raise the two corners one inch and raise the center 2.5 inches.  The
top of the firewall is a curve.   Jerry

What is the shape of the curve? If you don't have that tell me how far above
the thrust line is the center of the curve and how far above the thrust line
is the curve where it reaches the sides of the cowl. I will then assume
it is an ellipse

Paul Lamar
 
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