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Reducing CHT

 
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ronlee(at)pcisys.net
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PostPosted: Tue Oct 24, 2006 3:30 pm    Post subject: Reducing CHT Reply with quote
Quote:
Can you elaborate on this? What did you do?
>
>
> I solved my CHT problem by improving the exit air side.
>
> Ron Lee
>


Removed excess heater tubes in cowl.

Opened the lower cowl around the exhaust.

Added louvers to increase exit air

See pic for the last two.

http://home.pcisys.net/~ronlee/RV6A/Cowl_Louver_Small.jpg

Ron Lee

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n616tb(at)btsapps.com
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PostPosted: Tue Oct 24, 2006 4:38 pm    Post subject: Reducing CHT Reply with quote
Hi Ron,

Looks like there is less exit air space with the nosewheel (no dig intended)
due to the nose wheel fairing/ apparatus. Is this part of the reason? The
louvers look great. I may need to look at what pipes etc I have placed in
the exit air path. Lord knows there plenty of room back there for
everything we need plus our arms and wrenches. I made a terrible mess just
trying to change my oil filter.

Thanks
Tim

[quote] --

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ronlee(at)pcisys.net
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PostPosted: Tue Oct 24, 2006 5:34 pm    Post subject: Reducing CHT Reply with quote
Quote:
Looks like there is less exit air space with the nosewheel (no dig intended)
due to the nose wheel fairing/ apparatus. Is this part of the reason? The
louvers look great.


Possibly but unless most 6A nose gear pilots complained of high
CHT and oil temps I would say that my problem was because of
my configuration of everything in the engine compartment. Anything
that disrupts the smooth flow of air out the cowl minimizes cooling.

So upon the advice of another pilot I made those changes and it
helped tremendously.

Ron Lee

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