So you probably know the 318 is RWD now. To put a Tesla motor in the rear would require removing transmission and rear pumpkin and reworking the connection to the rear wheels, right? That’s what you’re alluding to regarding engineering, time and money? Bill
William J. DeVos, AIA Architect 237 Rockingham Street Rochester, NY 14620 (585) 435-0364 <rflbillde...@gmail.com <rflb...@frontiernet.net>> On Thu, Apr 25, 2024 at 12:15 PM (-Phil-) <p...@ingineerix.com> wrote: > In this age I declare DC dead. It would be hard to go wrong if you can > cram a Tesla Model 3 rear drive unit in there, they are some of the most > reliable and efficient units made. Unless you do something special (such > as SepEx) you don't get regen with DC. This takes a large efficiency hit, > especially in local city driving. > > We do OEM-level conversions of the Ram Promaster to all-electric using the > Tesla Model 3 Drive unit. They have been proven to be almost bomb-proof > even lugging very heavy vans around. > > But that said, a Conversion is non-trivial. We did 2 years of engineering > to bring our vans to market. It's a long project even for someone with > deep mechanical and electrical experience. It can be very rewarding, but > it's not something I'd suggest unless you have a lot of time (such as being > retired) and the skills. (Either that or be willing to pay $50k+ > minimum) Some high-quality one-off conversions done by skilled > professionals routinely end up in the $200k range. > > One common "old school" method was to bolt a DC motor to an old ICE > transmission with an adapter plate. These drivelines are highly lossy, > just the right-angle conversion at the hypoid pinion drive in the rear-end > can suck down over a kilowatt of loss! There's a reason why you see the > lifted truck guys put big aluminum-finned covers on them. Then there's > the transmission... Plus you get no regen. Yeah it's mechanically > easier, but you end up with a short range low-performance conversion. > > > On Thu, Apr 25, 2024 at 3:52 AM bill devos via EV <ev@lists.evdl.org> > wrote: > >> Thank you, Lee. I will definitely look up these publications. I believe I >> did look at one of these last year and have to admit I was a bit blown over >> by the depth of the discussion for instance, how does one decide whether to >> go AC or DC? >> Bill devos. Rochester, New York. >> >> Sent from my iPhone >> >> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20240425/f8b8bd42/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
