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Heat treating steel landing gear

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Dana

Super Moderator
Staff member
Joined
Apr 3, 2007
Messages
12,650
Location
CT, USA
Guess this should go in that "miscellaneous" section that doesn't exist yet, but..I do.

I'm looking for input on an appropriate strength to heat treat a 4130 landing gear. Actually it's the tailwheel strut of my Kolb, which has bent a couple if times. I pulled it, heated it up, and bent it back straight again, but likely it'll just bend again (it's 5/8 diameter tubing). It is intended to flex for some spring action. Obviously I don't want to harden it to the point it gets brittle, but something higher than annealed or normalized might make it hold up better. But I have no idea what's a typical value for spring steel gear legs.

-Dana

Starve a feeding bureaucrat...vote Libertarian.
 
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