I have a few old buckets around with brushed motors. Have replaced the bronze bushing with sealed bearing and replacement brushes.
On Thu, Oct 12, 2023 at 1:46 PM Scott Harwell via Emc-users < emc-users@lists.sourceforge.net> wrote: > 4HP=2.9828 kW > > I(A) = 1 kW × 1,000 / 120 V > I(A) = 1,000 W / 120 > I(A) = 8.33 A > > So, generating 1 kW of power at 120 volts will draw 8.33 amps of current. > After looking at this, I may never run my Shop Vac again. > Scott > > > On Wednesday, October 11, 2023 at 08:07:11 PM CDT, gene heskett < > ghesk...@shentel.net> wrote: > > I blew up old bucket-vac by putting a larger diameter hose on the > intake. This raised the air flow and the amps it drew, and apparently > tripped a one time thermal fuse about 9 minutes into a 12 minute job. > > So now I am adapting by 3d printing, all the plumbing to use a 5 gallon > wet-r-dry as a vacuum src, but this puppy came with a different motor > claim, 4 hp peak, and no amperage data where the decade + older > bucket-vac claimed 6.5 amps and IIRC 2.5 hp. > > This one claims 4 hp peak but that is likely only for short term use and > this may run for a day at a time, possibly even longer. Sucking up swarf > or saw dust as my go704 works. > > I have no clue how to translate 4hp into the amps I'd see on an Amprobe > which would equal 4hp on a 125 volt circuit. What I intend to do is > restrict the size of the intake nozzle until the amps drop to whatever > corresponds to 3.5 hp. These things are $50 a pop at Wallies, and I'd > like to run it at something resembling a CCS rating. > > Does anyone have a clue how to translate that 4hp into amperage for the > motor? > > Thanks all. > > 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, 1940) > If we desire respect for the law, we must first make the law respectable. > - Louis D. Brandeis > Genes Web page <http://geneslinuxbox.net:6309/> > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
