Bolt Hanger Failure. Everyone who's bolting - check this out

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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby Fred » Thu Sep 10, 2009 3:35 pm

aluminum hanger... not as ductile as steel
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby chossmonkey » Thu Sep 10, 2009 6:36 pm

Engineers and their fancy words. :roll:


:lol:



I've only skimmed, but it seems it may be something to do with two dissimilar metals speeding the corrosion of the aluminum.
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby SeanM » Thu Sep 10, 2009 8:10 pm

Absolutely. Aluminum and steel together in a wet environment makes a battery, essentially. The aluminum is sacrificed and slowly eaten away, resulting in pitting and degradation. Its why they use aluminum slugs as "sacrificial anodes" on boat hulls and engines, as well as bridge structures. The aluminum is eaten away by acting as the anode of the very basic battery, and the steel is left untouched. I can't believe that no design engineer at Kong caught this rather glaring error, unless these hangers were only intended for gym usage.
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby sand » Fri Sep 11, 2009 8:00 am

SeanM, How do you know so much about my job??
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby SeanM » Fri Sep 11, 2009 9:20 am

I'm a student of the sciences :)

Also, I watch a lot of semi-educational TV.

Also, I like to show off my knowledge of stuff at the drop of a hat. Any hat.
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby Adam » Fri Sep 11, 2009 10:45 am

SeanM wrote:I'm a student of the sciences :)

Also, I watch a lot of semi-educational TV.

Also, I like to show off my knowledge of stuff at the drop of a hat. Any hat.


Also, this is the interweb. :D
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby Zamboni » Fri Sep 11, 2009 3:05 pm

Semi-educational TV! Did you donate to PBS this year?
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Re: Bolt Hanger Failure. Everyone who's bolting - check this out

Postby sand » Mon Sep 14, 2009 8:31 am

Thought you might have been a fellow sailor!
TV....maybe someday we'll have to get it?!
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