Fascinating idea, but even if you used commodity parts, don’t they change anyway over time?
What’s the current status of those parts that you used, and of the project? - Mark Sent from my Fuel Cell powered iPhone > On Aug 1, 2021, at 9:39 AM, (-Phil-) via EV <ev@lists.evdl.org> wrote: > > This was our philosophy when we developed our electric van at Maxwell. We > wanted to make sure that all parts we used are not only the most robust and > efficient ones available, but also readily available and will be for years > into the future. We started with a base vehicle that's available > world-wide. Our target market is fleet customers and they would be very > reluctant to own something that was hard to maintain because parts are hard > to get. We also designed the whole system so everything is easily > accessible and quick to swap. The entire powertrain with all EV components > (other than the battery) can easily pop out of the vehicle with only 3 > mount points. We call this the "superframe". If we are dealing with a > remote service issue, we can just ship them a whole replacement superframe > on a pallet, which they can swap in quickly, then return the old one to us > for service. Even though we have excellent diagnostics, this makes it > easy to quickly quash something like an intermittent problem that may be > experienced by a mechanic without a lot of EV experience. We also used the > best EV drivetrain on the market, the most efficient one, the most proven > one, and the one with the most production globally. (The same one used in > the Tesla Model 3 and Model Y) > >> On Sun, Aug 1, 2021 at 6:44 AM Collin Kidder via EV <ev@lists.evdl.org> >> wrote: >> >> That does lead to another potential idea, though. What if an open >> source design specifically called for OEM parts that *ARE* easily >> available and cheap? This isn't so far-fetched or weird. Tesla uses >> Mercedes steering systems and a Ford accelerator pedal. They probably >> use other parts from existing cars that I'm just not aware of. What if >> an open design used parts from other cars and the real open source >> magic was the layout that integrates it all together? I have no idea >> if a frame could reasonably be constructed custom. But, existing OEM >> frames and/or rolling chassis do exist. Control systems for OEM >> components also already exist. The OpenInverter project has a lot of >> custom boards to control things from Tesla, Nissan, etc. >> >> The big problem here is probably one of scalability. You can put the >> plans together and tell people to buy a Bosch iBooster for their >> breaks and a Mercedes steering rack, ford accelerator pedal, Nissan >> Leaf drivetrain with an OpenInverter control board, etc, but can 100 >> people actually get those parts? 1000 people? These things exist but >> can they be found in sufficient quantities to make it worthwhile to >> do? >> >>> On Sat, Jul 31, 2021 at 4:56 PM Lawrence Rhodes via EV >>> <ev@lists.evdl.org> wrote: >>> >>> Nice sentiment boss man but in mass production a power window is cheaper >> to engineer and produce than a crank up window unless you use the old >> fashion railway windows you lift up and down by muscle gravity...you might >> not know what I'm talking about these are so old. So the idea of >> simplifying in the way you think is again going back to the notion of >> carrying a horse with you in case you run out of gas. The cost of our >> gadgets is trivial in mass production. Might as well go with it. I can >> replace my electric power mirrors for $20. When it malfunctions or breaks >> off I replace it. Three 10mm nuts. EVerything on cars is like that now. All >> neatly in a row with a part number and made in the millions. Available on >> eBay.com. The only thing I wish for is no proprietary parts. When you want >> a turn signal just one assembly. Bumper one assembly...etc..air >> conditioning unit...one choice...would be a lot cheaper and easier. >> Lawrence Rhodes >>> _______________________________________________ >>> Address messages to ev@lists.evdl.org >>> No other addresses in TO and CC fields >>> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >>> ARCHIVE: http://www.evdl.org/archive/ >>> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> _______________________________________________ >> Address messages to ev@lists.evdl.org >> No other addresses in TO and CC fields >> UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub >> ARCHIVE: http://www.evdl.org/archive/ >> LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org >> > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20210801/46c5dd1b/attachment.html> > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > ARCHIVE: http://www.evdl.org/archive/ > LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org > _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/ LIST INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org