Ceramic Coatings and EGT

[Matt Beaubien]

Frederic,

> ceramic coatings reflect or isolate I guess is a better word
> the metal that's coated from the explosions that occur in
> your engine.  Considering these explosions are a few
> thousand degrees, an exhaust temperature of 900-1200 is not
> unreasonable, especially if the compression is high.

Just a slight correction. As the CR goes up, EGT's come down. The engine is
more efficient so less heat is rejected. One the Bush GN engines (I think?),
they have a restriced CR and have trouble with exhuast valve life. More so
than the unrestricted engines.

Matt Beaubien
mbeaubie at ualberta.ca
3 x 510
1 x 300ZXT