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Electric and manual pumps and pumps that run off your electric drill for retrieving used oil from the crankcase. One model includes storage container for used oil.
[SHURflo Pump Manufacturing Company, Cypress, CA, USA]
Air bubbles in pump hoses can cause pumps to lose prime. The authors recommend a gadget that will release trapped air but not water. Link to the manufacturer′s site.
[Yandina Ltd., Beaufort, SC, USA]
Brief step-by-step procedure for changing impellers.
[SetSail]
The common sense and techniques of fixing a pump. Photos.
[Yachtsurvey.com]
"All three of the pumps used for this demonstration were pulled out of dumpsters at boat yards. And all three were repaired at a cost of nothing more than my time. Not one single new part was used! And it took a grand total of one hour and seventeen minutes to repair all three."
[Yachtsurvey.com]
Water pumps have improved a lot. Products from Groco, Johnson, Flojet, Raritan, Shurflow, Par and Whale are rated for flow-rate, noise, ease of plumbing and compact size. 6 pages with photos, table of specs and test results, and vendor list.
[Practical Sailor, 1 June 2003]
Flexible impeller, centrifugal, piston, diaphragm and other pumps compared.
[Cruising World, April 2001]
Tests of hand and foot pumps from Whale, Wilcox-Crittenden, Fynspray, and Attwood for volume pumped, handle throw, and strokes-per-minute.
[Practical Sailor, 1 April 2003]
Electric and manual pumps and pumps that run off your electric drill for retrieving used oil from the crankcase. One model includes storage container for used oil.
[SHURflo Pump Manufacturing Company, Cypress, CA, USA]
Diaphragm pump either with top action or mounting behind a bulkhead, as in the cockpit. 12- or 24-volt eclectic version available.
[Blakes Lavac Taylors, Warsash, the UK]