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Motor mount getting hot

 
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kitfoxnick



Joined: 13 Apr 2008
Posts: 33
Location: Northern Maryland

PostPosted: Sun Jun 22, 2008 4:15 am    Post subject: Motor mount getting hot Reply with quote

In my Model IV the starboard lower motor mount is getting cooked. I installed a low hour used one about 7 hours ago but it shows signs of heat damage already. I have a new set of bushings for the mount but don't want to put them on till I can figure out why the starboard one is getting cooked. The only theory I can come up with is that the air in the starboard side of the cowl is not getting refreshed, due to the fact that the exhaust on the cowl is on the port side. The mount castle nut is about a 1/4" above the muffler on both sides but the port side shows no sign of damage. If anyone else has had this problem or knows a solution please let me know.

Thank you,
Nick


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Nick Weiskopf
Norrisville, MD
kitfox !V-1200
Rotax 912ul
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Guy Buchanan



Joined: 16 Jul 2006
Posts: 1204
Location: Ramona, CA

PostPosted: Sun Jun 22, 2008 4:42 pm    Post subject: Motor mount getting hot Reply with quote

At 05:16 AM 6/22/2008, you wrote:
Quote:
If anyone else has had this problem or knows a solution please let me know.

Three solutions:

1. Wrap the exhaust locally using heat shield available from ACS.

2. Wrap the mount using heat shield from ACS.

3. Build a metal heat shield and attach it to the pipe. (Sort of like
1/4 of a heater muff.)
Guy Buchanan
San Diego, CA
K-IV 1200 / 582-C / Warp / 100% done, thanks mostly to Bob Ducar.


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Guy Buchanan
Deceased K-IV 1200
A glider pilot too.
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kitfoxnick



Joined: 13 Apr 2008
Posts: 33
Location: Northern Maryland

PostPosted: Sun Jun 22, 2008 6:16 pm    Post subject: Re: Motor mount getting hot Reply with quote

Thanks Guy for the input with the heat shield. I guess I'm wondering why this occurring to me and not others with the same installation. Like I said before, the port side bushing shows no sign of heat problems I'm thinking the heat shielding will cure the problem and is probably an easy fix. Although there's not a whole lot of room in there. Ill try to post a pic tomorrow.
Thanks
Nick


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Nick Weiskopf
Norrisville, MD
kitfox !V-1200
Rotax 912ul
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