SAIL - - Boat Works Systems -

Some man­u­fac­tur­ers say that a man­ual bilge pump should be fit­ted for dam­age con­trol. “Dur­ing an emer­gency sit­u­a­tion, there is a po­ten­tial for the boat’s elec­tri­cal sys­tem to be flooded, caus­ing the pump to cut out,” ex­plains Claire McCrea of Whale Pumps. “Best prac­tice is for a man­u­ally op­er­ated bilge pump to also be fit­ted on board.” That said, Whale’s largest man­ual pump, the Gusher 30, shifts only 1,200 gph, while Ed­son’s well-re­garded DD120 can man­age 1,800 gph. In ad­di­tion, a per­son in an emer­gency sit­u­a­tion, even with adrenalin cours­ing through his or her veins, will not keep up for long with the 30 to 70 strokes per minute re­quired by these high-ca­pac­ity pumps. It can also be dif­fi­cult to find some­where to in­stall them. It is, there­fore, not un­com­mon for them to sim­ply be mounted on a board, with a long lay-flat dis­charge hose, so that they can be used ei­ther above or belowdecks.

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