I understand that, what I was getting at is if the turbo was connected to an air compressor instead of an engine it would still spin and create boost. But I see your point -- the heat in this case expands air faster than a cool air stream would, so efficiency increases some. On May 18, 2006 Tom Jennings wrote: > On Wed, 2006-05-17 at 20:29, Frank Swygert wrote: > > > I found this quote in the article, which explains why the remote turbo > > works -- pressure in the exhaust system (and volume of flow). Those > > thinking that the power is made by heat are just plain wrong. I never > > did understand how anyone can think that the heat makes the power in a > > turbo, it just doesn't make sense. I really don't see how heat > > increases efficiency either, since a cooler charge is denser and will > > create more power... > > Actually fizzicks says so. The wasted energy in the exhaust is heat > energy -- why do you think it's exiting so fast! Gasoline + air + spark= > lots of heat which makes the gases get really big. If the exhaust > temperature was reduced (say, lots of refrigeration) to that of the > intake, the pressure would be the same too. Temperature makes the > pressure rise. Without the temp, no pressure. > > Exhaust temp out of a turbo drops a lot too, representing the heat > energy extracted from the exhaust. > > _______________________________________________ > AMC-List mailing list > AMC-List@xxxxxxxxxxxx > http://www.amc-list.com/mailman/listinfo/amc-list > > or go to http://www.amc-list.com ============================================================= Posted by wixList Archiver -- http://www.amxfiles.com/wixlist _______________________________________________ AMC-List mailing list AMC-List@xxxxxxxxxxxx http://www.amc-list.com/mailman/listinfo/amc-list or go to http://www.amc-list.com