<VV> CHT data calibrate

[Sadek Charles H DLVA]

One of us ought to put a head or sensor in the oven, hook up the sensor and
gauge and see what the heck it says; i.e. calibrate it!  At least for that
situation in that location and temperature, we would have an idea... 

My prediction...kind of like Johnny Carson.... is that the temp will be
within plus or minus 20 degrees but we will still have no way knowing what
air flowing by does to cooling the thermistor....

Really need two ovens, one for the gauge that we can adjust from whatever-in
my case, 50 degrees under dash to 120 degrees.

Chuck S

-----Original Message-----
From: JVHRoberts@aol.com [mailto:JVHRoberts@aol.com] 
Sent: Sunday, October 24, 2004 1:13 PM
To: Larry@Forman.net; r.gault@sbcglobal.net; virtualvairs@corvair.org
Subject: Re: <VV> CHT data (long - possibly boring)

I'm not sure, but VDO does make and sell thermistor style CHT gages. I think

these are for use in Porsches. But most appear to be T/C types. I actually 
have a VDO thermistor for CHT in my box o' parts. <G>


In a message dated 10/24/2004 1:00:09 PM Eastern Standard Time, 
Larry@Forman.net writes:
Hi Roger,
MANY thanks for this information.  Yes, I knew a LITTLE about this, but not 
the significant details.  Maybe I did not pay enough attention in that lab 
class.  LOL.  I'll need to look into this further relative to accuracy for 
our use.  I also run VDO gauges and have a little switch up front to select 
right and left senders.  I did not use thermocouple wire to run to the 
gauge, but I now have access to this wire.  I mounted mine at the stock GM 
locations and used heavy brass washers and a bolt to secure the 14mm 
rings.  I appears to work well, but I have not used any laser temperature 
meter to compare, which should be quick and easy.
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