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Originally Posted by IamIan
#3> The biggest thing from my perspective often missed in a lot of the water injection type of discussions is the weight penalty of the additional device and the additional water ... even if a system does manage to increase real time efficiency from one mechanism or another ... it won't be a net benefit unless the pro is bigger than all the cons added together.
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Indeed. It's all well and good to imagine, "Oh, gee! Wouldn't it be so nice to make a gasoline engine be 50% more efficient simply by squirting water into the combustion chambers?!?" It's quite another thing to lug around 50 lbs of water (that's 6.25 gallons), a positive displacement water pump to squirt the water into the chambers at at least 150 psia pressure, sufficiently strong check valves that won't leak burning combustion charge into the water lines, the lines themselves; all the while generating enough power to energize this water pump. Oh, and this must be able to last for a reasonable amount of time, like for about a year or so.
Quote:
Originally Posted by IamIan
Thanks for the clarification and correction.
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No problem.