Submersible (salt water) fish tank pump? https://www.amazon.com/gp/product/B004IMPOIO/ref=ppx_yo_dt_b_asin_title_o09_s00?ie=UTF8&psc=1
-Tom > On Mar 25, 2019, at 12:42 PM, Gene Heskett <[email protected]> wrote: > > On Monday 25 March 2019 11:11:21 John Dammeyer wrote: > >> Can't you just build yourself a small little gear pump? >> John > > The thought has crossed my mind John, but something like a windshield > washer pump is about 100x the flow needed. How well they might work > after being restricted or the current turned down is an unknown. They > are also often designed to go in the tank, or plug into a port on the > bottom of the tank, both of which precludes using any tank but the > matching one if you want a dependable seal. And those are too big for > this. I don't need, nor want to carry a nearly gallon tank on the back > of the gantry. That, because it higher than the mister nozzle, would > also lead to syphon problems when turned off, so that idea got rapidly > discarded. A teeny centrifugal pump might work, as their draw goes down > with lowered flow because its restricted, but I've not come across such > a critter. They don't self prime either. > > Until I did an ebay search just now, teeny 3L/minute versions that could > sit beside the coke bottle at $4 to $8 prices, all a month+ away in > china. Looks like they'd be right at home in a windshield washer > circuit. One looks interesting, headline says centrifugal until you look > at the specs at the bottom of the page, it too is a gear pump, not > centrifugal. Near locked rotor amps to drive it at restricted flows IOW. > Nope. But the one most advertised is centrifugal. Heavy current at full > flow, could be over an amp. I ordered one $4.29 with ship) to play with, > arrival late April... :( In the meantime we'll check the cap tube out. > > Thanks John. > > Cheers, Gene Heskett > -- > "There are four boxes to be used in defense of liberty: > soap, ballot, jury, and ammo. Please use in that order." > -Ed Howdershelt (Author) > Genes Web page <http://geneslinuxbox.net:6309/gene> > > > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
