My experience with check valves is not good. It dramatically reduces the flow rate and can fail. The loop is free and it works without restricting the flow rate. Gary S/V Expresso '75 C&C 35 Mk ii
On Wed, Sep 12, 2012 at 10:32 AM, <[email protected]> wrote: > Hi, > > A loop is a good idea, a vented loop even better, but a cost effective > solution would be to install a simple check valve. If it is installed down > near an automatic pump, then you have the added benefit of the valve > keeping the hose water from filling back into the bilge after the pump > shuts off. > > I have also seen boats which use only one hose for both electric bilge > pumps and deck mounted hand bilge pumps (like the Whale Gusher 10). That > is, the electric bilge pump hose is routed to the hand pump and then out . > This set up is nice as the hand pump acts like a check valve allowing > water to flow only out, and it uses only one through hole. > > > - > Paul E. > s/v Johanna Rose > Carrabelle, FL > > On Sep 12, 2012, at 8:53 AM, [email protected] wrote: > > WE had a race years ago, where we sucked water into the manual bilge pump > going 10+ kts downwind under the kite. Had to run the electric and hand > pump to get the water to go back out again, made me think that you might > need one of those vacuum breaks in the bilge pump outflow. Any lister > tried those? > > ALEX GIANNELIA > > > > _______________________________________________ > This List is provided by the C&C Photo Album > http://www.cncphotoalbum.com > [email protected] > > -- ~~~~~~~_/)~~~~~~
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