06-05-2014, 07:45 PM
Does anyone else have any thoughts about my fuel consuption issue? I determined that the bilge water came from the port rudder shaft packing - it's leaking a steady stream but unfortunately I can't seem to tighten or loosen the fittings as there's quite a bit of tarnish and it's on pretty good. I can't spray any PB Blaster on it as it immediately gets flushed out so I plan to work on it next time I get the boat hauled out. For the time being I'm giving my bilge pump a lot of exercise and I'm in the process of adding a backup 2200 gph johnson bilge pump so if I blow a fuse on the main float switch again I have the Johnson pump and separate float switch there for backup, connected directly to the battery.
Back to the matter at hand - I now know why I took on so much water and that certainly explains why I burned so much fuel on such a short trip, HOWEVER, it doesn't explain why my Flowscan TwinScan was showing 10gph per side when in fact I was burning more than double that. Any ideas folks? Maybe I'm missing something but it seems like despite the extra 2k pounds of water I brought with me in the bilge, that should be reflected on the flowscan?
Back to the matter at hand - I now know why I took on so much water and that certainly explains why I burned so much fuel on such a short trip, HOWEVER, it doesn't explain why my Flowscan TwinScan was showing 10gph per side when in fact I was burning more than double that. Any ideas folks? Maybe I'm missing something but it seems like despite the extra 2k pounds of water I brought with me in the bilge, that should be reflected on the flowscan?


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