Quote:
Originally Posted by Cat966c
Hi all! Been away for awhile. Anywho, I'm at the battery stage of my project and I need help (surprise). So I'm running a 12 volt rated pump and was thinking of getting an 11.1 volt battery, but the dimensions of it are too big. So I was wondering if I can use a 7.4 volt and still get decent power from the pump?
The pump is rated at 150psi at 12 volts.
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150 psi at 12V is a low rating initially. E.g in a excavator 300-400 psi is used to get a decent power. On a dozer it's more a matter of moving the dead weight of the blade and so on, so not as critical with the pressure as an excavator. you might get things moving at 7.4V, but not have to big hope of things moving fast) but it's no problem to give it a try, if you already got a 2S battery at hand.
There are lots of different sizes lipo 3s batteries out there, e.g ebay, would advice you to search for a suitable one.