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Burning smell

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rv8striker(at)hotmail.com
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Posted: Sat Jan 07, 2006 9:16 pm Post subject: Burning smell



List,

OK, this is weird, but here's what going on. Every once in a while (two or three times in the first 6 hours) I get a whiff of a burning smell in the cockpit. It's not an electrical smell or oil, but smells more like burning paper or a paper match. The first time it happened I made a quick turn for the nearest field but the odor left as quickly as it came. That particular day the winds were calm and there were several bonfires in the area I'd just flown over.I figured I'd flown through a bit of smoke and picked up the odor from the those.

The last time was just after takeoff. Same smell and short lived. Again a near calm day but no evidence of any sort of fire near by this time.

If it matters it's a O-360-A1A, Dual Mags (Slicks) with a single heat muff. I'm still running straight mineral oil and wonder if it smells any different when it burns. My oil breather is set up to drip any oil on the exhaust rather than gum up the belly of the plane. Perhaps this is the culprit. Then engine is clean and dry with no signs of any leaks.

Anybody have any ideas?

Steve Struyk

RV-8, N842S

St. Charles MO

6.2 Hrs

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fgoggio(at)nc.rr.com
Guest

Posted: Sun Jan 08, 2006 4:46 am Post subject: Burning smell



steve, i am running the same engine setup as you in my 6,same thing

happened to me, found that i need to put some aluminum tape inside the

cowling near the exhause pipes where they were close to the fiberglass

cowling, to reflect the heat away from the fiberglass, its gets real hot

there,after 40 hrs i have got to repait the bottom half of the cowling as

the paint has blistered before i found what was going on,after the tape

inside no more smell or problems frank goggio fayetteville nc, rv6a

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diesel(at)rconnect.com
Guest

Posted: Sun Jan 08, 2006 11:34 am Post subject: Burning smell

 	  Quote: 	
		   [Original Message]

From: Steve Struyk <rv8striker(at)hotmail.com>

To: <rv-list(at)matronics.com>

Date: 1/7/2006 11:35:44 PM

Subject: RV-List: Burning smell

If it matters it's a O-360-A1A, Dual Mags (Slicks) with a single heat

muff. I'm still running straight mineral oil and wonder if it smells any 	

different when it burns. My oil breather is set up to drip any oil on the

exhaust rather than gum up the belly of the plane. Perhaps this is the

culprit. Then engine is clean and dry with no signs of any leaks.

Steve

I have the same oil breather drip system and have noticed no smell at all.

I also have sticky backed aluminum sheet lining the "hot spots" on the

inside of my cowl to protect the fiberglass from exhaust heat which does

work well. There is about 1" square that has received some heat and after

100 hrs this spot has discolored so there is heat present there. The

aluminum sheet is available from Vans and is cheap.

Dick DeCramer

RV6 N500DD

Northfield, MN

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lwalters2(at)cfl.rr.com
Guest

Posted: Sun Jan 08, 2006 12:29 pm Post subject: Burning smell



Got a wood prop??? Might aughta check that.

Linn

 	  Quote: 	
		  >Subject: RV-List: Burning smell

>

>If it matters it's a O-360-A1A, Dual Mags (Slicks) with a single heat

muff. I'm still running straight mineral oil and wonder if it smells any

different when it burns. My oil breather is set up to drip any oil on the

exhaust rather than gum up the belly of the plane. Perhaps this is the

culprit. Then engine is clean and dry with no signs of any leaks.

Steve

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sarg314(at)comcast.net
Guest

Posted: Sun Jan 08, 2006 1:00 pm Post subject: Burning smell



I am putting the foil tape in the exhaust area of the cowling too, but

under it I am painting on a ceramic insulator. See "Heat Shield" from

www.bvmjets.com. I'm not flying yet, but indications are that a few

coats of this stuff will support a temperature gradient much larger than

we get between the inside surface of our cowlings and the outside

world. I just finished painting the stuff on the inside of my

fiberglass cooling plenum.

Frank goggio wrote:

steve, i am running the same engine setup as you in my 6,same thing

happened to me, found that i need to put some aluminum tape inside the

cowling near the exhause pipes where they were close to the fiberglass

cowling, to reflect the heat away from the fiberglass, its gets real hot

there,after 40 hrs i have got to repait the bottom half of the cowling as

the paint has blistered before i found what was going on,after the tape

inside no more smell or problems frank goggio fayetteville nc, rv6a

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rvbuilder(at)sausen.net
Guest

Posted: Sun Jan 08, 2006 2:39 pm Post subject: Burning smell



I just got some ceramic additive for paint that is supposed to do the same thing. Supposedly it was a spin-off product from NASA and has a write-up from NASA Ames and a bunch of testimonials. Haven't tried it yet so I can say if it works well but I plan on doing my firewall and inside cowl with it.

http://www.hytechsales.com/

Michael Sausen

-10 #352 Fuselage

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