> On December 14, 2018 at 4:58 PM Craig via Mercedes <mercedes@okiebenz.com> > wrote: > > The efficiency of a heat engine is related to the difference between its > high (source) temperature and its low (sink) temperature. You want to > increase combustion temperature for increased efficiency. That's why > there has been talk of use of ceramics in engine design.
And why a Wankel made of Aluminum and Iron can never approach the efficiency of a piston engine made with the same materials, the Wankel has too much internal surface area exposed to combustion gases, and therefore too much heat loss. Mitch. _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com