[T3] heater thermostats
Keith Park
topnotch at nycap.rr.com
Sat Nov 1 12:43:09 PDT 2014
I *Think* I get more flow with the obstruction of the thermostats not in the
airflow anymore, I seem to have a good defrost flow with them out of there.
If I could devise a way to measure flow at a particular outlet and engine
speed I could do a comparison perhaps...
KEith
Topnotch Restorations
topnotch at nycap.rr.om
http://www.a383ina68.addr.com/radiorest/main.htm
71 Squareback "Hothe"
65 Squareback "Eggcrate"
65 Notchback "El Baja Rojo"
93 RX7 "Redstur"
87 Golf "Winterat"
-----Original Message-----
From: type3-vwtype3.org [mailto:type3-vwtype3.org-bounces at lists.vwtype3.org]
On Behalf Of Jim Adney
Sent: Saturday, November 01, 2014 10:39 AM
To: type3 at vwtype3.org
Subject: Re: [T3] heater thermostats
On 31 Oct 2014 at 20:08, Keith Park wrote:
> I do get noticably more heat with the thermostats removed and the elbows
> plugged.
I'm glad you finally mentioned plugging the elbows. If you remove the
thermostats but leave the elbows open, you'll be losing a lot of heat
there.
With the thermostats gone and the elbows plugged, what you get is
hotter air but less of it. Strictly speaking, you get the same amount
of HEAT but delivered in less air at a higher TEMPERATURE. The
difference between heat and temperature is a difficult one to make to
people who don't have a physics or engineering background, but the OE
Type 3 way is the better way. It gives you more air, which makes the
passenger compartment comfortable more quickly.
Think about your home furnace: Would you be better off if you just
got a little bit of air out of the louvers but that air was really,
REALLY hot, like at the temp of the gas flame that's in the furnace?
No, what works well is a LOT of air at moderate temps so it can flush
the whole house with heated air.
--
*******************************
Jim Adney, jadney at vwtype3.org
Madison, Wisconsin, USA
*******************************
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