Tesla's PMSRM motor and SiCFET inverter tech is also pretty amazing for efficiency.
FYI: I have a 2018 Model 3 and I tow all the time with no issues. Several companies make a bolt-on hitch. On Thu, Oct 26, 2023 at 7:48 AM Peri Hartman via EV <ev@lists.evdl.org> wrote: > I think you nailed it. The Y has a Cd of 0.23 according to a few sites I > checked. That's a pretty awesome number compared to almost any other > car. > > If your test driving includes a lot of steep hills or starts and stops, > the Cd probably won't make much difference. I presume you are driving > mostly at constant speeds on relatively level ground. In the latter > case, the rolling resistance and Cd are the important factors. > > Also, residential streets versus highways make a difference, of course. > The Cd has little effect until you get close to highway speeds. > > Peri > > << Annoyed by leaf blowers ? https://quietcleanseattle.org/ >> > > > ------ Original Message ------ > From: "Mark E. Hanson via EV" <ev@lists.evdl.org> > To: "'Electric Vehicle Discussion List'" <ev@lists.evdl.org> > Cc: markehans...@gmail.com > Sent: 26-Oct-23 06:58:13 > Subject: [EVDL] Tesla-Y KWH Efficiency > > >Hi Folks, > > > > > > > >I was curious why my Tesla-Y that's 4400 pounds came out ahead of my > >conversions over the years (80's-2011) that averaged 334 watt hours per > mile > >or 3 miles per KWH (weighed closer to 2000lbs). The Tesla-Y display which > >is DC at the battery, shows 244 watt hours per mile. I measured at the AC > >outlet (actual KWH usage) with the KWH meter on OpenEVSE.com, also matched > >the Tesla screen display at 36.77 KWH. > > > > > > > >The car traveled from 72,553 to 72,414 or 139 miles. 139/36.77=3.78 miles > >per KWH or 264.5 watt hours per mile. With the car display at 244 watt > >hours per mile, that's a 7.7% efficiency loss through the onboard charger, > >so impressive aero efficiency as indicated on the InsideEVs website > >comparing all EVs. Conversions are probably less efficient do to poorer > >aero efficiency that takes an exponential hit at highway speeds. > > > > > > > >I was initially going to buy a Tesla-3 (now advertised at $37K) but said > *no > >towing* and the Y showed 3500 pounds of towing needed for towing my 5x8 > >trailer for solar panels/concrete/racking (solar volunteer club) and boat. > >Not sure why the Tesla-3 says no towing when it uses the *same* > drivetrain. > > > > > > > >BTW, I'm taking the advice of some and going to the dealer with the Bolt > to > >get the $1400 bait software 80% for 6200 miles - since the 2020 model > >battery issues are less than 1% (most occurred in previous years > 2017-2019). > > > > > > > > > > > >Have a renewable energy day, > > > > > > > >Mark > > > > > > > >Mark E. Hanson > > > >184 Vista Lane > > > >Fincastle, VA 24090 > > > >540-473-1248 phone & FAX, 540-816-0812 cell > > > >REEVA: community service RE & EV project club > > > >Website: www.REEVAdiy.org (See Project Gallery) > > > >UL Certified PV Installer > > > >My RE&EV Circuits: www.EVDL.org/lib/mh > > > >REEVA Demo: <http://youtu.be/4kqWn2H-rA0> http://youtu.be/4kqWn2H-rA0 > > > > > >< > https://www.weatherlink.com/embeddablePage/show/a88920376f864ecabaed843dd89 > >75b8d/signature> Fincastle Solar Weather Station > > > > > > > > > > > >-------------- next part -------------- > >An HTML attachment was scrubbed... > >URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20231026/70d11bc0/attachment.htm > > > >_______________________________________________ > >Address messages to ev@lists.evdl.org > >No other addresses in TO and CC fields > >HELP: http://www.evdl.org/help/ > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20231026/e076e773/attachment.htm > > > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20231026/815a4858/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
