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Europa-List: Fuselage/wing fairing/fillet

Subject: Europa-List: Fuselage/wing fairing/fillet
From: Fred Klein <fklein@orcasonline.com>
Date: Fri, 11 Apr 2008 09:47:22
Gentlemen,

While trial fitting the wings and setting the angle of incidence, I 
took some time to mock up an enhancement of the fairing in hopes of 
reducing interference drag. The gist is to start w/ the radius of the 
standard fairing just forward of the spar and extend the tangent point 
aft along the fuselage waterline until abeam of the flap trailing edge.

My intention is to cut the supplied fairing just forward of the spar 
and increase the radius aft as shown in the pixs. I plan to have a 
lapped joint at the trailing edge of the wing (not the flap) and secure 
the new fairing aft of the wing to the fuselage, overlapping the flap; 
the fairing forward of the trailing edge of the wing would be glassed 
to the wing in the normal manner.

I anticipate placing the rear pip pin w/ the use of a modified set of 
needle-nosed pliers thru the standard hole.

I have not resolved the issue of trailering as the projection from the 
fuselage will create a conflict when the wings are stored alongside, 
though I am hopeful that the spar carriers on the trailer can be 
relocated to provide clearance and still stay within the overall width 
limitation (8 feet) for highway travel.

Might this be: Much ado about nothing?...a promising 
development?...beyond the pale?

Thoughtful comments would be appreciated...especially from anyone 
qualified to opine about the aerodynamics of such an installation.

thanks, Fred


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