[PSUBS-MAILIST] bilge pump

[Alan via Personal_Submersibles]

Hank,
it's a Karcher 36V water blaster / pressure washer. They sell for
around NZ $200-$300- on ebay, about NZ $399 new.
They have a non corrosive pump & are 750psi.
You get a 36V lithium battery with it. So a good emergency back 
up battery. 
I wired mine to bypass the back pressure switch, but will change it back
as it is a good function to have.
You could pick up a bilge pump real cheap, but I liked the security of
knowing that if it's through hull valve  was open at depth that the pump 
wouldn't blow to pieces! Am also considering a spring loaded or solenoid
through hull valve, so the valve can never be open if the pump isn't running.
Alan



Sent from my iPad

> On 7/12/2017, at 1:50 AM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> Alan,
> Your idea to be able to pump leaked water out through the hull is pretty interesting.  Where did you find a 36v dc pump?  Maybe I am overthinking the idea.
> Hank
> 
> On Tuesday, December 5, 2017, 9:09:19 PM MST, Alan via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
> 
> 
> Hank,
> no not a DSV. I have forgotten the lpm rate, but not high. 
> The pressure is 650psi so it can easily operate at my maximum depth of 500ft.
> The intention as a bilge pump was to just act as a hand held suction hose to mop
> up any wash that may come in, & comply with G.L. I am not planning on major leaks!
> I am wanting 2 solenoid ballast valves (inlet & outlet) to work in unison, mainly so
> I can ride a bit higher while towing, as the inlet valve will stop the air in the tank
> compressing, & also as a safe guard if the sub is left floating in the water for
> long periods of time.
> Alan
> 
> 
> Sent from my iPad
> 
>> On 6/12/2017, at 4:28 PM, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> Alan,
>> That will be a pretty slow pump, good for deballasting but not so good if you have a leak at the surface and want to save the sub.  So your new sub is going to have sealed ballast tanks?  interesting.   Hmmmm that makes it a DSV ;-)
>> Hank
>> 
>> On Tuesday, December 5, 2017, 5:37:01 PM MST, hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> wrote:
>> 
>> 
>> Hi all,
>> Do any of you sub owners have bilge pumps?  
>> Hank
>> _______________________________________________
>> Personal_Submersibles mailing list
>> Personal_Submersibles at psubs.org
>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
>> _______________________________________________
>> Personal_Submersibles mailing list
>> Personal_Submersibles at psubs.org
>> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> 
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
> _______________________________________________
> Personal_Submersibles mailing list
> Personal_Submersibles at psubs.org
> http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.whoweb.com/pipermail/personal_submersibles/attachments/20171207/4481cbd1/attachment.html>