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-   -   Cracked lower cowl attach bracket (https://vansairforce.net/community/showthread.php?t=151561)

russe 07-19-2017 12:57 PM

Cracked lower cowl attach bracket
 
Anyone seen a problem like this before?

I found the problem during maintenance for an unrelated issue. I guess I got lucky.



Russ

TFeeney 07-19-2017 12:59 PM

Cant see the picture

russe 07-19-2017 01:14 PM

https://photos.google.com/share/AF1Q...RrOF9lcFBfVEpR

n700jl 07-19-2017 02:02 PM

crack
 
Yes! I had to double mine up with a piece of angle!

Flying again! 07-19-2017 02:06 PM

I found the same thing at about 450 hours - TJ

bill@fusion4.net 07-19-2017 02:14 PM

Yep common problem. Mine lasted 1 year. Cut it flat and rivet on some angle.

russe 07-19-2017 02:33 PM

Quote:

Originally Posted by Flying again! (Post 1189254)
I found the same thing at about 450 hours - TJ

I guess I don't land as smooth as you; my plane is at 350 hrs...

Thanks for the information and proposed improvement!

Russ

aturner 07-19-2017 03:30 PM

Mine too. Consider building a bracket that has the vertical support aligned with the nose gear fairing, instead of offset by 3/4". I would post photos, but well, that just isn't working out for me anymore.

Dorfie 07-19-2017 06:24 PM

I've seen this in a friend's RV10. I reinforced mine from the get go because of that.
I'm theorizing that the hinges at the bottom allows for more movement and might be contributing to the problem. I know many builders, myself included, installed screws to attach the bottom of the cowl to the fuselage.
Any of the broken one's from bottom cowls attached with screws?
Johan

paul330 07-19-2017 10:36 PM

Whilst I was doing the build, I realized that his part was simply not going to be up to the job. I made a simple mod by doubling up with a mirror image - turning it from a "C" to an "H".


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