Time to try to fry a pump

[Lycof]

Ran an 1100 GPH bilge pump for 5 hours at 20 Volts. It was SCREAMING and didn't skip a beat. Going to run it on my little subbie on tuesday, will see how it works. Have a spare en-route incase it goes up in flames.

Looking at 3d printing a better impeller for it to try also. Will most likely be a royal PITA to get it right, but gonna do it.

 

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[mike(swWash)]

You've just created the Binford 2000 turbo pump.....More Power!!

If you have the patience with the printer, maybe a design like the pump on a jet boat using a tapered cone volute/liner and matching tapered screw impeller with a very close tolerance....just a thought I've had for a long time but not the resources to produce one.

Like this: http://www.wooldridgeboats.com/stor...ler/stainless-steel-four-blade-impeller-7-38d

 

[Lycof]

Yes! Thank you Mike! It will take some time, but consider it done! If you have CAD skills and need an item printed that fits in a 6 inch square box, drop me a line. Just remember, 3d printers have limitations that 5 axis CNC machines don't.

 

[Lycof]

If this goes well, I am going to get a 3750 gph and crank it up. I am running the one I have on a dewalt 20v lithium 3a battery. I have two, so just recharging the spare in the 45 minutes it takes to drain one.

 

[mike(swWash)]

You can use 2 12V batteries in series and get 24Volts....Super charged