[KrazyCarl92]

We are using about a 60* shooter with 8" gray kit wheels from previous years. We also had about a half inch of compression at first, then we've been adding/taking away compression with additional lexan strips so I dont know what our final compression was that worked well. I imagine its +/- 1/8" of 1/2".

We found three ways to mitigate the frisbee riding up issue during prototyping:
-contrain the discs vertically so it can't go up and down much. Our chute for the discs in our rotary shooter is just over 1 disc tall.
-adjust the height of the shooter wheel such that it pushes the discs into the surface it rides on due to contact, but not too much.
-add "lips" to the wall the disc is riding against so the disc also can't ride up the wall. The geometry on ours from a cross section view looks like this:
_________ceiling constraining discs______
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|____________disc sits on this surface___

If you can eliminate the disc riding up issues and ensure that your exit is level, you should achieve consistent and straight shots.

Out of curiosity, have you actually fired good shots with the high grip wheel from KOP? Those were the only wheels which did not yield a single satisfactory result in our testing this season.