Yes, I've owned a 325 long ago. What I'm saying is that no matter what form the conversion takes, it's a lot more time and money than you expect, almost without exception. I don't know your skills, but it seems like you are looking to pay someone to do most of the work, so expect multiple tens of thousands for a quality job. I would never advise taking on a conversion without native skills. Even if you pay a lot to get it done and it turns out ok, you still are now beholden to that one person or shop if anything goes wrong, and chances are almost assured it will.
If the motivation is to save a car with a blown engine and get a low-cost EV, this is not going to happen. Sorry to be a downer.... On Thu, Apr 25, 2024 at 11:29 AM bill devos <rflbillde...@gmail.com> wrote: > 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/c652c176/attachment.htm> _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
