Allowable twist

[lutorm]

I'm getting ready to rivet my HS and no matter how we attempt to sequence the clecos we end up with a twist of about 0.3 degrees from one end rib to the other. The instructions just say that it should be straight, but with no tolerance. Has anyone heard of one?

[ibgarrett]

I'd recommend reaching out to technical@slingaircraft.com to ask about guidance. A .3 degree doesn't seem like much to me, but they should be able to advise what the tolerances is/are.

[lutorm]

Just to close the loop here, the factory said 0.3 degrees is acceptable. (They didn't specify how much more, if anything, would be OK though.)