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Old 02-10-2009, 03:37 PM   #68
RickB
Scraping Paint
 
City: Fort Lauderdale
Vessel Model: CHB 48 Zodiac YL 4.2
Join Date: Oct 2007
Posts: 3,804
RE: Boating and fuel cost

I believe it is difficult to "underload" a diesel which drives a fixed pitch propeller. We constantly see the results of low loading on generator engines, the same engines used as main propulsion engines on the trawlers we talk about on this forum. The problem arises from low loading at high rpm, a condition easily obtained on a generator but difficult to do driving a propeller.

My personal take on this "issue" is that DA and others have applied the generator problems to propulsion engines and created a straw man.
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