On May 16, 8:08*pm, Steve Koerner wrote:
The type of clamp that I used successfully by myself is called a "Kant
Twist" 4 1/2" machinist clamp. *These are sold atwww.use-enco.comand
lots of other suppliers. *So I'm not so sure that designing a special
clamp is needed. * What does need designing is a scheme to get a
couple more bolts into that plate. * The design is flawed and
dangerous.

Steve Koerner (GW)www.wingrigger.com

Hmm - I planned to clamp with surfaces:
- bottom: grab the front inside the extrusion slot
- top: fix the angle on top of the alum frame
Nothing fancy, just a couple parts with holes
preventing clamping surfaces rotating and a bolt...

Did the kant-twist end fit inside the front's slot ?

Thanks,
Best Regards, Dave