True but it probably pulls 300 amps during acceleration Sent from my iPhone
> On Nov 12, 2019, at 11:01 PM, Cor van de Water via EV <ev@lists.evdl.org> > wrote: > > 40a x 72v = 2880 Watts of power. > This is 2880 Wh (Watthour) of energy in an hour. > In that hour you go 40 mi, so your efficiency is 2880/40 = 72 Wh/mi > This is very low for an EV, but that is also due to low speed. > At Freeway speed your consumption per mile will be much higher. > My truck can achieve about 15kW at 60 MPH, which means 1/4 kWh/mi. > Most EVs are capable of going 3-5 mi per kWh, which means an efficiency of > between 200-333 Wh/mi. But this is typically spec'ed in mixed driving with > freeway and city driving cycle. In city most EVs shine due to great > efficiency at lower speeds, combined with regen. > Cor. > >> On Tue, Nov 12, 2019, 8:02 PM evtlfp20 via EV <ev@lists.evdl.org> wrote: >> >> >> I seen add on battery packs for cars and am surprised how small they >> are, so that must mean watts per mile is way lower. >> >> My scooter uses 40 amps at 72 volt s and 40 mph . so whats my watts per >> mile ? >> >> verses like a leaf at 40 mph ? >> >> _______________________________________________ >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive/index.html >> INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> Please discuss EV drag racing at NEDRA ( >> http://groups.yahoo.com/group/NEDRA) >> >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20191112/4710a282/attachment.html> > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/index.html > INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
