Quote:
Originally Posted by Benyen Soljax  its also the way the cylinders are designed, not just how many there are. usually engines that rev higher are designed with a shorter stroke, and bigger bore, this reduces the momentum from the pistons that the crankshaft has to stop. i would also assume this has some effect on the amount of friction and losses in the engine, but who knows if its better or worse.  im not even going to pretend i know about all the intricacies of engine design. |
No this is a purely thermal issue associated with the ration of the volume to surface area. Thermal guys can jump in. But there's no free lunch, if lots of small pistions are better, you then need to pay for more fiction in the way of more values, cams and chains.