Four stroke waste heat engine?
Could we build a four-stroke engine that runs on the exhaust heat of another engine? My idea is to have a four stroke engine suck in the exhaust from another running engine, instead of fresh air. Compress that hot exhaust on it’s compression stroke, then at TDC inject a burst of steam, through some kind of injector. The boiler water could be preheated by the cooling system of the first running engine. Does this sound at all feasible?
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Okay I see what you’re saying now, and I completely agree with that! Actually when I originally had this idea it was to take a v8 engine, have one bank run on gas or diesel, feed that exhaust to the other bank which would then compress and steam inject. I wonder if it might be a better option To do it that way?