[Tigers] Engine Temperature

[Stu Brennan]

The gage appears to have two bimetal strips in it, one with a heater,
one without.  The one without is for ambient temperature compensation.  

Stu

-----Original Message-----
From: tigers-bounces at autox.team.net
[mailto:tigers-bounces at autox.team.net] On Behalf Of Thomas Witt
Sent: Thursday, October 21, 2010 7:53 PM
To: tigers at autox.team.net
Subject: Re: [Tigers] Engine Temperature


A couple of questions and thoughts.

Was anyone else forbidden access to the Cullen Bennett calibration page?

Does anyone know just how hot the "heater" of the gauge gets?   It seems

like the ambient temperature of a car which can range from below
freezing to 
the 150+ range (closed car in the sun) yet the gauge differs little. How
hot 
would the heater have to get for the variable ambient temperature to be
a 
small percentage and thus likely not show?

Lastly if anyone is going the resistor route and can't find the right 
resistance/watt rating this may help. If you double the resistance and
run 
two resistors in parallel you get half the resistance at double the
wattage. 
Example if you took two, 10 ohm, one watt resistors and ran them in
parallel 
you get 5 ohms at two watts.

This is a neat little calculator for people like myself who have
difficulty 
with any math formula that contains letters (X the unknown).

http://www.1728.com/resistrs.htm

Tom
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