Thread: Hey... I am new

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Welcome to CHR, you have a lot of experience with FAST diesels! Why do people think diesels are slow? Because of the extra block weight?? Anyway I have taught a short section on diesel engines in Thermodynamics for years and I usually show a few pictures of marine diesels which are used to reduce fire/explosion hazzard on small boats as well as economy. Those marine engines have very high compression ratios like 23:1 while the Olds V8 that was produced by GM for a while was only about 13:1 or so. Is that because the Olds block could not take any more compression or what? Just for conversation, what is a typical diesel C.R. used in competition? Where I come from a Nuclear Engineer is the Creme de la Creme, the best in terms of Physics ability and personality stability and maybe you could hold forth on Hydrogen embrittlement for the folks here who want to use a lot of chrome since proton bombardment of even the best steel can lead to embrittlement in reactors as well as chromed suspension parts. Sorry to ask two questions, but they are easy for you and you will find a wide range of technical questions on the Forum anyway, along with a lot of chit-chat.

Don Shillady
Retired Scientist/teen rodder