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
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