How should the windscreen frame be attached to the supports: salf tappers? Rivets?

I drilled and tapped mine, make sure you take the glass out !

Yep I did the same....

how thick is your uprights?

Drilled and tapped. Kintetic Vehicles can show you what to do. I had to ditch his frame (costly as it was) because it was too narrow and looked "bad". I ordered one from GBS, and with Mango's help, put it together.


http://www.kineticvehicles.com/windshield.html

[Edited on 9/1/10 by RK]

My Caterham screen has rivnuts in the frame.

Stu

I do them with captive studs that are flush inside and have a dome on the outside.

Thanks for all the help. I guess as long as I miss the glass it doesn't really matter. I'll measure the uprights and frame tomorrow. I bought them from danozeman and I think they came from GBS