300 degree COOLANT

[Greg Hermann]

>Rolls-Royce used a Glycol mix  this in Merlin V12 aero engines to improve
>the cooling  --- before WW2 they tried building a steam cooled engine  but
>it wasn't reliable and in anycase it would work in a vehicle as it needed a
>condensor mounted a foot or so below the lowest point of the engine.
>
>Jim Davies wrote:
>
>> On Sun, 11 Oct 1998, Jake Sternberg wrote:
>>
>> >
>> > has anyone heard of a special type of coolant which
>> > boils at 300 degrees F instead of 212-250 degrees?
>> >
>> Pure antifreeze will boil at 300 F. Any water addition drops the boiling
>> point very quickly.

"Ebullient" (boiling water) cooled engines are nothing new or unusual.
Radiator is the condenser. Coolant passages must flow like a plumbing
vent--no traps.
Waukesha builds them today. Many large marine recip engines are done this way.

Regards, Greg>>