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4rcsimmons(at)comcast.net
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 Posted: Tue Jul 17, 2007 8:02 am Post subject: Upper Engine Moutn fitting |
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Hey List,
I've been out coaching the daughters sofball team since the end of February. I finally get to get back to the garagea and visit my freind the airplane. Sheeze! Long season!!
I am talking in regards to the Upper engine mount fitting. What my drwing shows for the part 6B5 4 does not even look like what I was sent. (Kit!) As I looked through my manual and the updated one, the following picture looks like what I have. http://www.zenithair.com/zodiac/xl/data/6-b-11b.pdf (Page 6 at the bottom)
I also dont see the update in the drawing update list unless I overlooked it. When did they cahnge the shape of the upper mount?
So, If I read this picture correctly, I will have to drill my hole for the bolt, weld the bolt to the bracket
and then secure it to the Longeron with 3 bolts.
Am I correct?
Can anyone shed some light on the subject.
Do not archive
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Thanks,
Rich Simmons
[quote][b]
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Gig Giacona
Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA
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| Posted: Tue Jul 17, 2007 8:43 am Post subject: Re: Upper Engine Moutn fitting |
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I switched to the new bracket after I had installed the original so the holes were already in the firewall. I just replaced the brackets with the new ones and used the holes as guides for the holes I needed to drill. It obviously worked because the WW engine mount went on with very little problem.
You don't have to weld the bolts in. That was per Roger at Zenith. That is done to make it easier to remove them later. Since I'm going to have access behind the panel and I don't weld I went the no weld route.
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_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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barcusc(at)comcast.net
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| Posted: Tue Jul 17, 2007 9:06 am Post subject: Upper Engine Moutn fitting |
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Rich,
I bought the latest rev after I talked to Caleb, the newest version has a tab for the canopy. I think that might be what you see on the drawings.
Clyde Barcus
601 XL, Continental Powered
Wings, Tail & Engine Complete
Working on Fuselage
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John Bolding
Joined: 23 May 2006
Posts: 281
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| Posted: Tue Jul 17, 2007 9:21 am Post subject: Upper Engine Moutn fitting |
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If you weld the bolts in I wonder what you do to the strength of a Grade 5 or 8 bolt??
Probably not anything to get worked up over.
John
[quote]
You don't have to weld the bolts in. That was per Roger at Zenith. That is done to make it easier to remove them later. Since I'm going to have access behind the panel and I don't weld I went the no weld route.
[b]
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dredmoody(at)cox.net
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| Posted: Tue Jul 17, 2007 1:13 pm Post subject: Upper Engine Moutn fitting |
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Same here. All four motor mount bolts are not welded.
Dred
---- John Bolding <jnbolding1(at)teleshare.net> wrote:
| Quote: | If you weld the bolts in I wonder what you do to the strength of a Grade 5 or 8 bolt??
Probably not anything to get worked up over.
John
You don't have to weld the bolts in. That was per Roger at Zenith. That is done to make it easier to remove them later. Since I'm going to have access behind the panel and I don't weld I went the no weld route.
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craig(at)craigandjean.com
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| Posted: Tue Jul 17, 2007 1:38 pm Post subject: Upper Engine Moutn fitting |
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> If you weld the bolts in I wonder what you do to the strength of a Grade 5 or 8 bolt??
Zenith used to just tack-weld the bolt head in two spots. Enough to keep the bolt from turning.
-- Craig
[quote][b]
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craig(at)craigandjean.com
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| Posted: Tue Jul 17, 2007 3:22 pm Post subject: Upper Engine Moutn fitting |
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The new style upper motor mount brackets are shown on the version of 6B6 dated 03/06. If ZAC is sending you parts that are newer than your plans see if you can get them to give you an up-to-date set of plans.
-- Craig
[quote][b]
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