Injecting water vapor with gas to increase expansion pressure?
Why the heck not?
Manufacturers and government say "NO".
Quote:
Originally Posted by kach22i
100 Mpg Carburetors: Do They Really Work?
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Much larger than an ordinary carburetor, the unit essentially vaporizes the gas, mixes it with water vapor and feeds it to the cylinders.
"Everyone gets excited about them and then, for no apparent reason, they disappear. Often, it's the EPA that won't approve the vapor-type carburetors even though they more than meet clean air standards. The inventors try to fight but the government has unlimited resources, so they lose. The patent office has issued patents on 6,500 high-mileage carburetors. How many ever came on the market?" asks Dennis.
Another variation of this idea uses a 6th stroke as a steam/diesel engine. No radiator or cooling system required.
Imagine the potential..
https://www.autoweek.com/news/a2063201/inside-bruce-crowers-six-stroke-engine/
“It’ll run for an hour and you can literally put your hand on it. It’s warm, yeah, but it’s not scorching hot. Any conventional engine running without a water jacket or fins, you couldn’t do that.”
Indeed, the test unit has no external cooling system—no water jacket, no water pump, no radiator; nothing. It does retain fins because it came with them, but Crower indicates the engine would be more efficient if he took the trouble to grind them off. He has discarded the original cooling fan.
Preliminary estimates suggest a Crower cycle engine will use roughly as many gallons of water as fuel.
