The plans call for backdrilling the roll bar using the holes in the canopy rails. Since I elongated some of these holes to move away from the longeron this is not practical. I decided to use the spacers as the drill guide, the only problem was how to clamp them in place with the roll bar. I worked on several combinations of clamps and blocks to find a way to hold the spacers while I marked the rollbar. Finally found a combination that I think will work.
