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  #1  
Old 04-20-2016, 12:39 PM
mtbowhunter mtbowhunter is offline
 
Join Date: Jan 2010
Location: Montana
Posts: 22
Default Cracks in Enine Mount Brackets RV-9

When installing an ADS-B out unit, the avionics tech noticed that the upper engine mount brackets on my RV9 appears to have cracked. In looking at the lower ones, they may be cracked also. Hear are some pics of the uppers. Anyone have this same issue? I saw some older posts from 8-9 years ago about something similar, but those discussions appeared to be restricted to earlier model RV4's. Any insight would be greatly appreciated.









Last edited by mtbowhunter : 04-20-2016 at 01:46 PM. Reason: links won't open
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  #2  
Old 04-20-2016, 12:54 PM
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RickWoodall RickWoodall is offline
 
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Default links

No joy on the links.

Try again.
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9a -TMX io-320, catto three blade, dual dynon hdx with a/p. 900+ hrs in 8 yrs flying.

Flew to Osh 11,12,15,17,19. SNF 2013. West to Cali /Washington/Vancouver/crossed the Rockies north to Red Deer east to Moosonee and over to maritimes. South to Jekyll Isl, cedar key, and Key West etc. 6 trips and 17 islands of the Bahamas. Flown turtles and dogs for Pilots n Paws too. Love our Rv's
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  #3  
Old 04-20-2016, 01:09 PM
rightrudder rightrudder is offline
 
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Location: Laguna Hills, CA
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I can't see the pics either.

Are you talking about the internal powder-coated pieces? When I received my QB fuselage, I was very concerned about what appeared to be cracks in these pieces, but it turns out that they were intentionally split to better nest in the aluminum angle they're fastened to, and when they were powder-coated, that split appears as a crack.

I don't have a pic of mine at the ready, but if I find one I'll post it.

Edit: Aha! Here's a pic, though not a great one. On the lower mount piece, on the section that extends rearward (with bolts on the horizontal surface and rivets on the vertical), the split is in the vee of this angle. Van's assured me this is per design. All four mounts are built this way. If the crack is elsewhere, then there is cause for concern.

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Last edited by rightrudder : 04-20-2016 at 01:20 PM.
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  #4  
Old 04-20-2016, 02:07 PM
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MarkW MarkW is offline
 
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Location: Edgewater, FL. KSFB
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Thats funny. The guy doing my Static, pitot and Transponder check said the same thing. I spent a few worried minutes looking at the plans.
They are split from Van's but it sure looks like a crack.
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  #5  
Old 04-20-2016, 02:11 PM
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flyboy1963 flyboy1963 is offline
 
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Default standard Van's bracket



gotta use the 'direct' link in Photobucket, then they'll show!
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  #6  
Old 04-20-2016, 02:15 PM
mtbowhunter mtbowhunter is offline
 
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Location: Montana
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Thanks for the help. I am trying to get the pics loaded. Do the links work now?







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  #7  
Old 04-20-2016, 02:23 PM
mtbowhunter mtbowhunter is offline
 
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Location: Montana
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I am clearly not very good at this. Last try.







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  #8  
Old 04-20-2016, 02:29 PM
YellowJacket RV9 YellowJacket RV9 is offline
 
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Location: Clearwater, FL KCLW
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Yep those are normal, they come split from the factory.

Chris
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  #9  
Old 04-20-2016, 02:31 PM
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bret bret is offline
 
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for, me, when I go to the pic upload icon, I see there is already a https thing in the box, I delete that first, and then paste.
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  #10  
Old 04-20-2016, 02:31 PM
rightrudder rightrudder is offline
 
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Pictures are fine now.

Like Chris said...No worrries...go out and fly!! As I'm sure you are, I was so relieved to find out this was normal.
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RV-9A "slider"
Flew to Osh in 2017, 2018 & 2019!
Tail number N427DK
Donation made for 2020
You haven't seen a tree until you've seen its shadow from the sky -- Amelia Earhart

Last edited by rightrudder : 04-20-2016 at 02:34 PM.
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