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Yup, the engine cowl was the most difficult part to trim, fit and finsih.
I  recommend that this be done after hanging the engine.  I made a wooden
spinner backing plate and attached it with the appropriate spacers to the
prop flange.  This woooden fixture became the reference point from which
the cowling was hung providing an "X", "Y" and "Z" reference for the front
center of the cowling.  This would work good on any model of Lancair.
I reinforced the cowl machine screw attach points by bonding tinnermans
onto the cowling.I made a cutting tool that recessed the tinnermans
flush with the surface. One bid sould be applied over the tinnermans.
When you get it done, the cowl will hold up just fine but it was time
consuming to do it right.
Jim Frantz

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