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HS Forward Spar Radius After much head scratching on why the manual and the drawings did not seem to match up on trimming of the HS-602 forward spar channels I did some searching on the RV-List. The problem stems from the fact that the manual says to trim the flanges off of the channel but to leave the radius on. The plans seem to show that the part of the channel that is left is flat. After some research I figured that the radius was left to leave some extra metal on the channel for rivet clearances. Leave the radius and then flatten it out before bending the spar. Disclaimer: This web site and the infomation contained within it are for entertainment purposes only. The opinions expressed on construction techniques are my opinions only and should not be confused with proper construction techniques. There is undoubtedly more than one way to build an airplane and some methods that I use may or may not work in any given circumstance. If there is any question please call the kit manufacturer. I love to help but I am not responsible for the misuse of any information contained on this web site.

 February 3, 2021
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