Hi Andrew,
The wing incidence is pre determined by the pre drilled bushes in both the
wing spars and the fuselage. The angle of attack does need to be set by
you. Parallel to the front of the seat back refers to both spars being
parallel to the seat back when viewed from ABOVE.
Hope this will give you a different view on the problem
Pete Europa club LAA inspector
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Andrew Sarangan
Sent: 29 November 2011 18:57
Subject: Europa-List: Setting angle of incidence for bonding spar alignment
bushes
I am about to embark on bonding the spar alignment bushes into the
cockpit module (chapter 14). The manual says to set the wing spar
parallel to the front of the seat back, and that this is good enough
for now. That seems rather arbitrary to me, given that the tolerance
required later is 2.5 +/- 0.05 degrees. I am confused how the angle of
incidence can be adjusted in the future with the bushes already bonded
in. Would it not be best if the bushes are bonded after setting the
2.5 deg incidence? But then I am uncertain how to infer the angle of
incidence with the cockpit module sitting face down on the floor. Any
thoughts from experienced builders would be appreciated!
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