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09-03-2014, 11:08 AM
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Join Date: Oct 2010
Location: Wuerenlingen, Switzerland
Posts: 5
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Quote:
Originally Posted by Jesse
That's exactly right. It would be interesting to know just how many -10's have cracks and how many hours they had when discovered. So far we only know of 2 cases, I think, ......
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Jesse I counted 4 so far:
-Roger Hopkinson 1st reported 2 years ago
-Vic with close to 1000hrs
-Louis Palmenteri unknown hours
-David Brown AUS with over 1000hrs
The serial will not help as the engine mounts mostly are bought a while after that big box holding the plane parts.
Cheers
Werner |
09-03-2014, 11:25 AM
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Join Date: Sep 2009
Location: St. Louis, MO
Posts: 1,985
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From what I see with Rays photos, it looks like a beginner did the welding on the mount. Mine looked similar with 300 hours and no cracks.
__________________
Bill Peyton
RV-10 - 1500hours
N37CP
First Flight Oct 2012
Aviation Partners, LLC
WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.
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09-03-2014, 11:32 AM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,742
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It would be great to know when those 4 finishing kits were ordered.
I have seen another engine mount that looks very much like Vic's, but that was after an accident where the nose wheel folded back up under the fuse. There's no way to know if the damage was there prior to the accident.
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Jesse Saint
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09-03-2014, 11:13 PM
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Join Date: May 2008
Location: Brisbane Qld. Aust.
Posts: 2,325
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Our kit was shipped around September 2008. It arrived by sea December 2008 and was flying 28/6/2009.
Oddly enough the cracks visible from above in Vic's photos do not exist in ours.
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______________________________
David Brown
DYNON Authorised Dealer and Installer
The two best investments you can make, by any financial test, an EMS and APS!
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09-06-2014, 06:05 AM
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Join Date: May 2008
Location: Brisbane Qld. Aust.
Posts: 2,325
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Engine mount removed in 3 hours!
Repair on Monday by certified welder.
Be flying Tuesday.
Thank you to Mike Gregory and also the folk at Vans for shipping things promptly.
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______________________________
David Brown
DYNON Authorised Dealer and Installer
The two best investments you can make, by any financial test, an EMS and APS!
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09-06-2014, 09:06 AM
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Join Date: May 2005
Location: X35 - Ocala, FL
Posts: 3,742
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No crack repair done yesterday on a -10. Total of about 3 man hours including removing and reinstalling cowl and powder coating the plate. We put an engine hoist on the engine and lifted until the bar came out of the hole, then made sure the plate fit with no interference, then powder coated it and installed it. Not a big job.
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Jesse Saint
Last edited by Jesse : 09-06-2014 at 08:42 PM.
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09-06-2014, 09:40 AM
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Super Moderator
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Join Date: May 2005
Location: Locust Grove, GA
Posts: 2,827
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installing the doubler
For those of you installing the doubler, I really think it needs some sort of attachment. Either proseal, structural adhesive or some Cheryy Max rivets. I have discussed this with Van's.
Vic
__________________
 Vic Syracuse
Built RV-4, RV-6, 2-RV-10's, RV-7A, RV-8, Prescott Pusher, Kitfox Model II, Kitfox Speedster, Kitfox 7 Super Sport, Just Superstol, Hummingbird helicopter, DAR, A&P/IA, EAA Tech Counselor/Flight Advisor, CFII-ASMEL/ASES/RW
Kitplanes "Unairworthy" "Diagnostics" monthly feature
EAA Sport Aviation "Checkpoints" monthly column
Author "Pre-Buy Guide for Amateur-Built Aircraft", "Are your Nuts Tight?" &"Maintenance Guide for Vans RV Aircraft."
www.Baselegaviation.com
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09-06-2014, 11:54 AM
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Join Date: Dec 2007
Location: Flagstaff, AZ
Posts: 2,709
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I don't disagree with you, Vic, but I don't like any of those options with steel parts. Either way, I'd worry about trapping moisture and potential for corrosion. Since my mount is currently off the project (I'm doing firewall stuff), I have the luxury of having it welded in place, cleaned, and re-powdercoating it. But for those who are doing a flying fix, think about corrosion protection. I'd say something between the two parts to help keep the powdercoat or paint intact, especially if you don't use fasteners because I'd expect there to be some vibration otherwise.
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Patrick Kelley - Flagstaff, AZ
RV-6A N156PK - Flying too much to paint
RV-10 14MX(reserved) - Fuselage on gear
http://www.mykitlog.com/flion/
EAA Technical Counselor #5357
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09-06-2014, 08:28 PM
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Join Date: Nov 2007
Location: moncton NB
Posts: 240
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is it normal for wd-1016?
did the inspection. NO crack. 400hre all paved runway.
I found some mark on my wd-1016. It look a little bit more than the powder coating. Not much. Is it normal?. It look like it's the area were it rub against de-1001-e elastomer plate.
http://i1377.photobucket.com/albums/...psd87de0e6.jpg
http://i1377.photobucket.com/albums/...ps552e0e43.jpg
http://i1377.photobucket.com/albums/...ps658dc6a7.jpg
I also trimmed the plate so it's ready to paint. What paint do you use. I may go to a powder coating shop but if not, what to use?
Thank You
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Lan Vinh Do
RV-7A c-GOSV sold
RV-10 C-GMCE
Rv-7 emp completed but waiting boys to be older to help
donation 2020 done ( little bit earlyer)
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09-06-2014, 10:00 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 10,468
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Quote:
Originally Posted by vic syracuse
For those of you installing the doubler, I really think it needs some sort of attachment. Either proseal, structural adhesive or some Cheryy Max rivets. I have discussed this with Van's.
Vic
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Vic,
Your recommendations were given serious consideration (actually they had been considered before you recommended them), but in the end the decision was made to issue the NOTIFICATION without recommending any type of attachment for a couple of reasons.
- It is difficult to describe placement of a sealant or material in a way that everyone will do it the same. A very thin layer would be desired. People that didn't do so could be inducing other problems.
- There are doubts whether Proseal or any other adhesive would hold up under the abusive load cycles this area of the nose gear system gets.
Rivets or other semi-permanent attachment would make it difficult to do any inspection of the surfaces. As currently designed, removal of one bolt during the condition inspection will allow good inspection of the area inspection
If the doubler is installed without welding (as done in the case of no cracks found) and is installed as prescribed, with some compression pre-load on the elastomers even when the nose gear leg is hanging free, and it is maintained in this state; the engineering team involved with developing the change believes it will work as designed as is.
__________________
Opinions, information, and comments, are my own unless stated otherwise.
You are personally responsible for determining the suitability of any tips, ideas, etc. obtained from any post I have made in this forum.
Scott McDaniels
Hubbard, Oregon
Formerly of Van's Aircraft Engineering Prototype Shop
FAA/DAR & Pre-purchase inspection Services
A&P, EAA Technical Councelor
RV-6A (aka "Junkyard Special ")
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