Hi everyone, I just wondered what kind of material was used as crankshaft main bearings in a diesel engine nowadays. We have found on a computer modeling software that the best compromise would be a Young's modulus of about 80 GPa, I'd like to compare to see if we're in the ballpark there...
Has Pat said, you'll have a better airflow. If you decrease your valve seat area, you'll get a higher pressure when your valve will sit, resulting on better contact interface between valve and valve seat. Like Will said, this result in better heat transfer and will also result in better valve...
Motorsportsdesign, concerning the use of the same crank as the chevrolet big block. Going from 4 stroke to 2 stroke is only possible with an odd number cylinder blocks. You could use the same crank but would get nice reciprocating and rotating dynamic moments resulting in vibrations. These...