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On Sat, 08 Dec 2007 19:21:04 GMT, Rich Hampel
wrote: Most tanks need to be cleaned out on a regular basis - saves a hell of a lot of filter cost and hassle at the wrong time. hope this helps. Thanks, interesting analysis. Let me play some of this back in my words with a couple of extra details thrown in. My 10 micron Racors are the largest size commonly available, Filter Element: 2020TMOR. The engine mounted 2 micron filter is maufacturer specified, and significantly smaller than the Racors, probably about 25% in size. The engines are DD 4-71 2 strokes rated at 280 hp each, with normal fuel burn is in the range of 2 to 5 gph each. I think I heard you say that this was a reasonable configuration, i.e., tank 10 2 lift pump engine. I do have an independant polishing loop which I use when the boat is docked for extended times. It cycles through a large Racor 10 micron and returns to the tank. Something must be working reasonably well because I've been averaging over 200 hours on the 2020TMORs before replacement. |
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