Thickness of 6061-T6 Wing Ribs

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Fiberglassworker

Active Member
Joined
May 28, 2021
Messages
38
Little Update. Getting things ready for the aluminum to arrive. Getting the first wing rib (R1) set up to start forming a rib.

How Much of an angle should I put along the edge? 90 degrees will not give me a 90 on the rib. What’s the magic number?


View attachment 115563
6061 T6 has 6 degrees of spring back so to get 90degrees your forming tool should be 84 degrees.
 

pfarber

Well-Known Member
Joined
Feb 21, 2019
Messages
824
Location
Dollywood
I meant Northrop, not Norton... I was thing Horton but somehow butchered Northrop and Horton...

He's back in class so I'll try and see if he can bring in something from the family archives.
 
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