Smitty's RV-9A from Van's Aircraft

RV-9A: Project Entry

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Fluted the F-920 Armrests
The instructions say to "Fit and drill the F-920 armrests". The next sentence said "You may flute lightly between the holes in the armrest to make it match the holes in the fuselage side skin". Remembering my episode with the wing rib flanges, I decided to flute the armrest flange first and then "fit" them to the side skin. The armrests come warped and twisted because of the rounded edge that is bent over by the factory to make the outside flange. So I fluted the flange until the armrest lost it's twist and all the angles were at a perfect 90 degrees. Then I clecoed the armrest to the fuselage side skin and every predrilled hole matched perfectly!

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