In a message dated 5/4/2005 11:34:42 AM Pacific Daylight Time,
b.a.savage@earthlink.net writes:
> Elon,
>
> The boiling point of water at 4500 feet is 203.9 degrees.
> I would add alcohol to the ambient tank to reduce that to about 180-185
> and let the latent heat of vaporization carry away most of the energy.
> Let's say we have a 5 gallon tank and the first gallon covers the engine
> radiator. I'd put 5 gal. in and make a run. If I only boiled off one gal.,
> I'd make the next run with 2.5 Gal. This would allow the smallest and
> lightest package.
>
> Bryan
Elon,
You've crewed on our roadster at Bonneville and the Lakes and are
familiar with our cooling system. We have an internal tank (no radiator) with a
thermostat on the block water outlet that allows us to fire the engine in the
pits
and warm the engine without heating the coolant tank above ambient temp. When
the car leaves the line on a run the driver doesn't have to contend with a
tank full of warm to hot water sitting beside him that is already within 50
deg.
of boiling. At the end of the run, including long-course passes, the water is
still below the boiling point.
Ardun Doug King, #1313 XXF/MR
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