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Old 01-20-2011, 06:30 PM   #11 (permalink)
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Quote:
Originally Posted by mnmarcus View Post
Except that for every hp second you put into the accumulator at 80% efficiency you can only put .64 hp to the ground because you are doubling your losses. Meaning the best FE may not be to run at best BSFC but to throttle back on ICE and run through a more efficient drive train. A 36% drop in efficiency is significant so the "island of better FE through engine throttle" would be large.
Peak efficiency for hydraulic pumps is 95% and for accumulator it is 99%.

regards
Mech

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