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912 muffler heat shield

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clemwehner

Joined: 02 Feb 2009
Posts: 32

Posted: Tue Mar 15, 2016 6:26 pm Post subject: 912 muffler heat shield

Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV? 



I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.



thanks guys,

Clem Wehner

Lawton, OK

KFIV-912UL

- The Matronics Kitfox-List Email Forum -

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peteohms

Joined: 31 Oct 2007
Posts: 224
Location: Leander, TX

Posted: Tue Mar 15, 2016 6:44 pm Post subject: 912 muffler heat shield

Mine just has some very thick aluminum foil or sheet glued on the blanket near the muffler and exhaust. 1991 Kitfox 3 912  1100 hrs.



Pete



 	  Quote: 	
		   On Mar 15, 2016, at 9:26 PM, clemwehner <clemwehner(at)sbcglobal.net> wrote:

 

 

 

 Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV? 

 

 I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.

 

 thanks guys,

 Clem Wehner

 Lawton, OK

 KFIV-912UL

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=453795#453795

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_________________
Pete
Leander, TX
Kitfox III, 912ul, Grove

peteohms

Joined: 31 Oct 2007
Posts: 224
Location: Leander, TX

Posted: Tue Mar 15, 2016 6:49 pm Post subject: 912 muffler heat shield

Here's a picture.



 	  Quote: 	
		   On Mar 15, 2016, at 9:44 PM, Pete Christensen <pchristensen10(at)austin.rr.com> wrote:

 

 

 

 Mine just has some very thick aluminum foil or sheet glued on the blanket near the muffler and exhaust. 1991 Kitfox 3 912  1100 hrs.

 

 Pete

 

> On Mar 15, 2016, at 9:26 PM, clemwehner <clemwehner(at)sbcglobal.net> wrote:

> 

> 

> 

> Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV? 

> 

> I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.

> 

> thanks guys,

> Clem Wehner

> Lawton, OK

> KFIV-912UL

> 

> 

> 

> 

> Read this topic online here:

> 

> http://forums.matronics.com/viewtopic.php?p=453795#453795

> 

> 

> 

> 

> 

> 

> 

> 

> 

> 

 

 

====================================
	


====================================

====================================

====================================

====================================

 	  Quote:

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image1.JPG

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11131 Time(s)

_________________
Pete
Leander, TX
Kitfox III, 912ul, Grove

Guy Buchanan

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

Posted: Tue Mar 15, 2016 8:19 pm Post subject: 912 muffler heat shield

I made mine out of aluminum. The best picture's here. 

(https://b-and-n.smugmug.com/Flying/Kitfox/i-pt2sjSB/A) There's some 

other views in the folder, though none as good. I don't know if it's 

necessary. I did it to keep heat off the radiator tubes that run 

vertically on centerline between the exhaust and firewall.



Guy Buchanan

Ramona, CA

Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. flying again.

Now a glider pilot, too.



On 3/15/2016 7:26 PM, clemwehner wrote:

 	  Quote: 	
		   



 Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV?



 I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.



 thanks guys,

 Clem Wehner

 Lawton, OK

 KFIV-912UL

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

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

clint_bazzill(at)hotmail.
Guest

Posted: Wed Mar 16, 2016 8:33 pm Post subject: 912 muffler heat shield

Not me, Kitfox IV 1900 hours.

 	  Quote: 	
		   Subject: 912 muffler heat shield

 From: clemwehner(at)sbcglobal.net

 Date: Tue, 15 Mar 2016 19:26:59 -0700

 To: kitfox-list(at)matronics.com

 --> Kitfox-List message posted by: "clemwehner" <clemwehner(at)sbcglobal.net>

 Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV? 

 I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.

 thanks guys,

 Clem Wehner

 Lawton, OK

 KFIV-912UL

 Read this topic online here:

 http://forums.matronics.com/viewtopic.php?p=453795#453795

 <br=====================

 _===================

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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peteohms

Joined: 31 Oct 2007
Posts: 224
Location: Leander, TX

Posted: Thu Mar 17, 2016 5:05 am Post subject: 912 muffler heat shield

[img]cid:15985344-A332-4825-9BDC-8666E51F147F[/img]



Maybe this would work.

Pete



On Mar 16, 2016, at 11:32 PM, Clint Bazzill <clint_bazzill(at)hotmail.com (clint_bazzill(at)hotmail.com)> wrote:

 	  Quote: 	
		     Not me, Kitfox IV 1900 hours.



 	  Quote: 	
		   Subject: Kitfox-List: 912 muffler heat shield

 From: clemwehner(at)sbcglobal.net (clemwehner(at)sbcglobal.net)

 Date: Tue, 15 Mar 2016 19:26:59 -0700

 To: kitfox-list(at)matronics.com (kitfox-list(at)matronics.com)

 

 --> Kitfox-List message posted by: "clemwehner" <clemwehner(at)sbcglobal.net (clemwehner(at)sbcglobal.net)>

 

 Has anyone found need for a heat shield between the 912UL muffler and the firewall blanket on a KF IV? 

 

 I've just run my engine for the first time after 24 years of building and got to thinking about the heat from the muffler.

 

 thanks guys,

 Clem Wehner

 Lawton, OK

 KFIV-912UL

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=453795#453795

 

 

 

 

 <br=====================

 _===================

 

 

 

</br=====================

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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image1.PNG

Description:

Filesize:

792.69 KB

Viewed:

11107 Time(s)

_________________
Pete
Leander, TX
Kitfox III, 912ul, Grove

KeysFox

Joined: 05 Jan 2009
Posts: 137

Posted: Sat Mar 19, 2016 5:08 am Post subject: 912 muffler heat shield

Guy,

I made the mistake of opening the link to the photo of the FWF

installation in your last post. All I can do is sigh and wish I had your

skills and attention to detail.

WHAT A BEAUTIFUL INSTALLATION!

However, questions come to mind.

1. Is the oil cooler and mount a stock Kitfox or Rotax assembly. If so can

you give me P/N or help identifying it to get it ordered? I have a model

IV with round cowl around an 80 hp 912 and installed a smaller cooler

obtained from Kitfox about 10 years ago that lets temps get too high on

long hot climb outs from Utah canyons so I need more cooling at those

times.

2. I would like to replace the flexible rubber hose coolant line that goes

down the left side of my fire wall, then under the cabin floor to the

radiator because it is too close to the exhaust and the soft lines tend

not to stay in place as well as metal would. So where did you get or have

your chromed coolant lines made? Your guidance would be appreciated.

I better quit looking at your photo. Being so envious of another man's

work is depressing.

BJ

Kitfox IV 1050, 912 80, Warp Drive

2. > 

 	  Quote: 	

 I made mine out of aluminum. The best picture's here.

 (https://b-and-n.smugmug.com/Flying/Kitfox/i-pt2sjSB/A) There's some

 other views in the folder, though none as good. I don't know if it's

 necessary. I did it to keep heat off the radiator tubes that run

 vertically on centerline between the exhaust and firewall.

 Guy Buchanan

 Ramona, CA

 Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. flying again.

 Now a glider pilot, too.

 On 3/15/2016 7:26 PM, clemwehner wrote:

> 

> <clemwehner(at)sbcglobal.net>

>

> Has anyone found need for a heat shield between the 912UL muffler and

> the firewall blanket on a KF IV?

>

> I've just run my engine for the first time after 24 years of building

> and got to thinking about the heat from the muffler.

>

> thanks guys,

> Clem Wehner

> Lawton, OK

> KFIV-912UL

- The Matronics Kitfox-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Kitfox-List

_________________
B Jones
N154K
443-480-1023

Guy Buchanan

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

Posted: Sun Mar 20, 2016 9:00 am Post subject: 912 muffler heat shield

BJ,

           You're too kind. Thanks for the nice words. Re:

                The oil cooler is an Earl's 21608AERL 16 Row Oil Cooler -8           AN Black I bought off Amazon. It's much larger than is           typically used on 912's because of my southwest location.           (Lots 'o hot.) The mount was custom, as was the cowl mod. I'm           guessing Kitfox LLC can sell you a cooler and mount, but the           catalog's ambiguous as to whether a mount is included. Give           them a call. Later I made a Van's style shutter over the front           which seems to work OK to help raise oil temperatures in the           cold. I don't know if it blocks too much in the summer yet,           though.

                  
The metal coolant lines were all custom, starting with a           bunch of 1" mandrel bent aluminum elbows, (see this           and that,)           combined with some 1" straight that I had a local guy weld           together after I did all the cutting and matching. I then           beaded them and had them chromed locally. Unfortunately it was           rather (shall we say hideously) expensive, mostly because I           didn't feel comfortable welding aluminum. (OK with steel.) But           I figured they'd last nearly forever and I definitely           preferred them to soft tubing.              

     

     Guy Buchanan

     Ramona, CA

     Kitfox IV-1200 / 912-S / Warp 3cs / 500 hrs. flying again.

     Now a glider pilot, too.

- The Matronics Kitfox-List Email Forum -

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

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