Today's Message Index:
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1. 07:45 AM - nose wheel (Bill Flick)
2. 03:22 PM - Re: 601 owners... something to watch for - engine mount fittings ()
3. 04:27 PM - Re: 601 owners... something to watch for - engine mount fittings (Peter Fox)
Message 1
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thanks for the info on the nose wheel and tire. looks like wheel is
slightly bent so does anyone have a 8 inch matco nose wheel they would
like to sell? contact me off line at rflick@ovalinternet.net
thanks for all the help . flick 601hds corvair
Message 2
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| Subject: | Re: 601 owners... something to watch for - engine mount fittings |
I guess I've seen one of the blessings of scratch building---I didn't
feel comfortable with the mounts built as per plans; maybe a little
chicken, but I built my upper mounts of 3/16th inch steel, with double
facings, all welded together. Ugly? you bet. Heavy? Yup. Strong? Much
more comfortable with that.
Paul R
----- Original Message -----
From: Michel Therrien<mailto:mtherr@yahoo.com>
To: zenith-list@matronics.com<mailto:zenith-list@matronics.com>
Sent: Saturday, August 13, 2011 10:24 PM
Subject: Zenith-List: 601 owners... something to watch for - engine
mount fittings
Hi group!
I had a major unpleasant surprise today when I dismantled my
firewall-forward installation. While removing the engine mount, I felt
there was too much "play" in the movement of an upper engine mount
fitting bolt. This is part 6-F-7-2 in the plans.
My upper left fitting was indeed cracked in such a way that the side
angle was no longer united to the front side of the fitting. There
might be more and I will know later when I remove the four fittings to
inspect, sand blast and repaint them. At first glance, the lower
fittings appear OK.
These are parts I never really inspected when I did my annuals so I
don't know if I have been flying with broken engine mount fittings or
not and for how long. But I don't like the idea that I did.
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://pages.infinit.net/mthobby<http://pages.infinit.net/mthobby>
http://www.matronics.com/Navigator?Zenith-List<http://www.matronics.com/N
avigator?Zenith-List>
http://www.matronics.com/contribution<http://www.matronics.com/contributi
on>
Message 3
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| Subject: | Re: 601 owners... something to watch for - engine mount fittings |
hello everyone
i cant help but add a few comments RE: cracked motor mounts
it looks to me that there may be two issues that may be overlooked
a. there seems to be some irregular bead on the area where the tubes
join/undercutting
b. 4130 tubing has a real issue with carbide formation at the HAZone .did
the welder pre heat and
did the welder nomalize the cluster after the weld process
knowing that a dh2c beaver motor mount is made from .035 wall tube and it
supports a much larger engine than a subaru
somehow i think the problem may not be just the thickness of the tube
cracks usually form at the end of a weld if the post heat is not applied
properly
On Thu, Aug 18, 2011 at 3:17 PM, <paulrod36@msn.com> wrote:
> **
> I guess I've seen one of the blessings of scratch building---I didn't
> feel comfortable with the mounts built as per plans; maybe a little chicken,
> but I built my upper mounts of 3/16th inch steel, with double facings, all
> welded together. Ugly? you bet. Heavy? Yup. Strong? Much more comfortable
> with that.
>
> Paul R
>
> ----- Original Message -----
> *From:* Michel Therrien <mtherr@yahoo.com>
> *To:* zenith-list@matronics.com
> *Sent:* Saturday, August 13, 2011 10:24 PM
> *Subject:* Zenith-List: 601 owners... something to watch for - engine
> mount fittings
>
> Hi group!
>
> I had a major unpleasant surprise today when I dismantled my
> firewall-forward installation. While removing the engine mount, I felt
> there was too much "play" in the movement of an upper engine mount fitting
> bolt. This is part 6-F-7-2 in the plans.
>
> My upper left fitting was indeed cracked in such a way that the side angle
> was no longer united to the front side of the fitting. There might be more
> and I will know later when I remove the four fittings to inspect, sand blast
> and repaint them. At first glance, the lower fittings appear OK.
>
> These are parts I never really inspected when I did my annuals so I don't
> know if I have been flying with broken engine mount fittings or not and for
> how long. But I don't like the idea that I did.
>
>
> ----------------------------
> Michel Therrien CH601-HD, C-GZGQ
> http://mthobby.pcperfect.com/ch601
> http://pages.infinit.net/mthobby
> **
>
> **
>
> **
>
>
> *
>
> href="http://www.matronics.com/Navigator?Zenith-List">http://www.matronhref="http://forums.matronics.com">http://forums.matronics.com
>
> href="http://www.matronics.com/contribution">http://www.matronics.com/c
> *
>
> *
>
>
> *
>
>
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