Track Saw rail square question
Barry Irby
I have seen a number of versions of "squares" to attach to a track saw rail. Festool calls theirs an Insta Rail square and sells it for $149. I took a piece of 3/4" plywood and drilled two holes for bolts and slid the heads into the T slot in the bottom of the track. Carefully checked it for square. Cut off the end of an 18" wide white oak panel. Off about 1/32" over 18". Adjusted it and tried again. As near perfect as I could measure. Cut the other end of the same panel and it's off 1/32" again. What's going on? The saw is snug on the rail. Blade is fresh and cutting cleanly. Is the blade wandering?
I don't want to buy a Insta Square because I don't need it often and can't imagine how it could work any better and I don't want to spend the money. These panels are seven feet long and weigh 55 lbs. Really thought this would be the easy way to cut them. Does 1/32" matter?
Maybe I should stack the top and bottom and cut them at the same time and let it be over.
