Today's Message Index:
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1. 05:00 AM - Re: water temp guage (fox5flyer)
2. 07:14 AM - Re: water temp guage (catz631@aol.com)
3. 11:21 AM - Re: water temp guage (Roger McConnell)
4. 01:38 PM - Re: water temp guage (Av8r3400)
Message 1
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| Subject: | Re: water temp guage |
Clem, way back when I ran my 582 with my KF2 I used CHT sensors along
with EGT and coolant sensors. I don't know whether they CHT sensors did
me much good, but (IIRC) they always ran about 40 to 50 degrees hotter
than the coolant temps. I always thought that if I had some sort of
coolant blockage that allowed boiling in the heads (highest point), I
would know it immediately with the CHT. I don't know if this would
compare with the 912, though. Mainly, I like a lot of instruments so
that if something suddenly is different it gets my attention.
Deke Morisse
Mikado Michigan
S5/Subaru/CAP 438+ TT
"If you put the federal government in charge of the Sahara
Desert, in five years there'd be a shortage of sand."
-- Nobel prize-winning economist Milton Friedman (1912-2006)
----- Original Message -----
From: CLEMWEHNER
To: kitfox-list@matronics.com
Sent: Sunday, January 03, 2010 1:26 AM
Subject: Kitfox-List: water temp guage
We're getting near done on a KFIV-912.
But, when I planned the panel a few years ago, I included a Westach
quad gauge with CHT, and also made a hole for a separate water temp
guage. Now that I think about it, why would I need both? Doesn't CHT
equal water temp in an engine with water cooled heads?
Am I missing something?
thanks for the help,
Clem
Lawton OK
KFIV-912 getting near done.
Message 2
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| Subject: | Re: water temp guage |
Paul,
By T-stat do you mean thermostat? Unless I am having a senior moment (I
have many) I am not aware of a thermostat in the 9 series (unless you install
an oil thermo) If there was one it wouldn't take 5-8 min for my engine to
warm up enough to fly, or check the mags.
I also have the quad gauge that includes the CHT.The CHT pretty well
equals a water temp gauge although both would be useful for comparison.
Dick Maddux
Fox 4
Milton,Fl
Message 3
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| Subject: | water temp guage |
Clem,
I too have the quad gauge with CHT but it is good insurance to
know what the over all temp of your coolant is running. I installed the
sensor for my water temp in the spider tank on top of the engine.
Roger McConnell, Duncan, OK
Model 7 Trigear, Rotax 912uls
Flying sense Jan. 06
_____
From: owner-kitfox-list-server@matronics.com
[mailto:owner-kitfox-list-server@matronics.com] On Behalf Of CLEMWEHNER
Sent: Sunday, January 03, 2010 12:27 AM
Subject: Kitfox-List: water temp guage
We're getting near done on a KFIV-912.
But, when I planned the panel a few years ago, I included a Westach quad
gauge with CHT, and also made a hole for a separate water temp guage. Now
that I think about it, why would I need both? Doesn't CHT equal water temp
in an engine with water cooled heads?
Am I missing something?
thanks for the help,
Clem
Lawton OK
KFIV-912 getting near done.
Message 4
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| Subject: | Re: water temp guage |
Correct, there is no thermostat in a 900 series Rotax unless it has been modified
to accept one.
The cylinder head temp probe and coolant temp probes both read from the head casting,
but from different places.
--------
Thanks,
Av8r3400
Kitfox Model IV-1200 W/912UL & IVO
Kitfox Model IV-1050 W/912UL & Warp
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