ah i see, thanks..
- Julian
Errol Smith wrote:
> Julian,
> For a cooling system to work properly, the coolant must remain in contact
> with the material it is cooling for a time (residence time) so heat
> transfer can take place. With a thermostat in place, the flow of coolant is
> slowed through the cooling system. This allows the coolant to absorb large
> amounts of heat raising the temp from possibly 45 - 50 degrees at the
> intake to the block, up to 85 -90 degrees at the discharge into the top/end
> tank of the radiator/heat exchanger.
> If the coolant is passing through freely less heat is absorbed & the
> coolant has less time in the radiator to be cooled so the loss of cooling
> effect is twofold.
> If a thermostat is faulty and a replacement is not readily available,
> remove the centre section but leave in the body of the stat. This will
> provide some resistance to flow and provide some respectable cooling
> potential. Also turn on your heater/demister flat out with the windows
> open. This will help cooling in an emergency
> Cheers
> Feral Errol
>
> ---------
> From: Julian <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: Re: feral/list
> Date: Sunday, September 17, 2000 8:31
>
> How does a car run hotter without a thermostat? If a car is too hot, the
> thermostat opens, flowing coolant. This is the same as not having a
> thermostat
> (theoretically but i expect there would be more flow without a thermostat).
> This cools the car down.
>
> My car was running for about 3 months with the thermostat open (temp gauge
> wouldn't rise above the cold mark unless it was city driving). Put a new
> themostat in and temp stays at 1/3 except when it gets hotter, going to
> about
> 1/2.
>
> I don't see any reason how a car could run hotter without a themostat, it
> would
> run cooler or the same all the time. I also don't see a reason not to
> have a
> working thermostat in your car. You are just prolonging the startup engine
> wear period (and heater on cold days, which i was more worried about)...
> Thermostats are cheap too.
>
> Buy a new one and put it in when you take the other one out. It only takes
> 5
> minutes + the time to fill up the radiator again..
>
> - Julian
>
> Terry Rudd wrote:
>
> > Zac,
> > It can do but there is no hard and fast rule that says it will run hot.
> It
> > much depends on the condition of the water pump and radiator and it is
> more
> > likely to run hot with the thermostat out when all of the components are
> in
> > top condition - I think you can take a punt on that it's not the case
> when
> > the thermostat hasn't been changed in 20 years. The thermostat is
> probably
> > jammed but in what position? Better off out me thinks, but preferably
> > renewed.
> >
> > terry
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Zac Campbell
> > Sent: Sunday, 17 September 2000 3:47 PM
> > To: [EMAIL PROTECTED]
> > Subject: Re: feral/list
> >
> > It will get even hotter and overheat if you take out the thermostat won't
> > it?
> >
> > ----- Original Message -----
> > From: justin darragh <[EMAIL PROTECTED]>
> > To: <[EMAIL PROTECTED]>
> > Sent: Monday, September 18, 2000 5:51 AM
> > Subject: feral/list
> >
> > > Ozdatters,
> > > Can anyone see any bad reasons why I cant take out my thermostat?
> > > The car is getting hot, not boiling, and it has to go to the engineers
> > > Monday morning. 1600l-series, basically stock. I havent got time to get
> a
> > > new one and the old one is 20yrs old at least. The rest of the system
> > seems
> > > fine. Its the only thing I havent replaced.
> > > Thanx
> > > Justin
> > >
> _________________________________________________________________________
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> >
>
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