If we could greatly expand protected bike paths we could introduce all kinds of micro EV’s like the ELF, PEBL, Twike, Podride and so many more for simple efficient local transportation.
Gary Krysztopik -------------- next part -------------- A non-text attachment was scrubbed... Name: image0.jpeg Type: image/jpeg Size: 73114 bytes Desc: not available URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20220909/1b0e14eb/attachment.jpeg> -------------- next part -------------- Sent from my iPhone > On Sep 9, 2022, at 3:50 AM, Bill Woodcock via EV <ev@lists.evdl.org> wrote: > > > >> On Sep 9, 2022, at 7:23 AM, EV List Lackey via EV <ev@lists.evdl.org> wrote: >>> On 9 Sep 2022 at 3:49, Peri Hartman via EV wrote: >>> In the mean time, one possibility is for manufactures to make smaller, >>> light weight cars. Less weight, less battery. Maybe less cost, too. Is >>> there a market for that ? Could be, if people are impatient enough to >>> buy EVs. >> >> Less battery means less range, > > No, it doesn’t, not inherently. That’s the whole point of the question. > > The battery is storage for the energy to propel the laden vehicle, at a speed > which we can assume to be constant for convenience. So, the trade-off is > between weight and range. > > There are three weights of concern: the weight of the payload, being the > driver, any passengers, and any cargo; the weight of the vehicle structure, > including the body/frame motor, wheels, upholstery, etc.; and the weight of > the battery itself. > > The weight of the battery varies with the capacity of the battery, while the > other two are unrelated to the capacity of the battery. > > The weight of the payload is variable: a bus might have to accommodate a > hundred people; a truck might have to carry twenty tons of cargo; while a > skateboard might need to carry a 60-pound child. So we can reduce weight and > increase range by reducing the actual payload. > > The weight of the vehicle is also variable, and is very dependent on the > maximum possible (as opposed to the actual) payload. Thus an > Electrameccanica Solo is lighter than a Model X because the maximum possible > payload is one person rather than seven+ people. Less structure is needed to > enclose space which is sometimes empty. Likewise, less structure is needed > to support and enclose a smaller battery. > > So, as Peri points out, all of these work together… If you make the vehicle > smaller, it gets lighter. If it’s lighter, it needs less battery. If it has > less battery, it can get smaller again… And that beneficial cycle continues > right up to the point where you get to an electric skateboard or > roller-skate… and then you’re constrained by the minimum useful payload of > one person. > > Smaller batteries and smaller vehicles have a lot of other benefits as well: > less power, faster charging, easier to park, less expensive, cause less > damage in a crash, easier to work on. > > When we lived in California, my primary driver was a Smart, and my wife’s > primary driver was a Model X. Now that we live in Paris, my primary driver > is a Luna Stealth and my wife’s primary driver is a Tern GSD. But we also > have a Ford Kuga PHEV, which we rarely drive, and I’ve got orders in for four > other small vehicles: > > - PodBike Frikar - Pre-ordered on Nov 23, 2021. > - Northern Light 630 - Pre-ordered on Jan 3, 2022. > - Nimbus One - Pre-ordered on June 12, 2022. > - Arcimoto Mean Lean Machine - Pre-ordered on July 28, 2022. > > We’ll see if and when any of those arrive, but they’re all the kind of > vehicle that I see the greatest utility for, in the future. It’s hard for me > to imagine owning something as large as a Model X for personal use again. > >> thus less buyer value > > Not at all. The value of the Luna and the Tern are far higher than the value > of a Model X, to me, now. I ride one or the other of them three or four > times in an average day. Whereas the Kuga seems too big and unwieldy and a > pain-in-the-ass to bother getting out of the garage more than once or twice a > month. And a Model X would be that much worse, since it’s substantially > larger than the Kuga. > > Another thing… Most of the vehicles we’re talking about are legal for kids to > drive (because they’re less lethal), so that’s another form of value: they’re > more accessible to more people. And, as I said, they kill fewer people, > which is good too. :-) > >> so something like that had darn well better be less cost! > > They are inherently much lower cost, but that’s because they cost less to > build, not because they’re lower value. > > -Bill > > -------------- next part -------------- > A non-text attachment was scrubbed... > Name: signature.asc > Type: application/pgp-signature > Size: 833 bytes > Desc: Message signed with OpenPGP > URL: > <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20220909/de3e5af4/attachment.sig> > _______________________________________________ > Address messages to ev@lists.evdl.org > No other addresses in TO and CC fields > HELP: http://www.evdl.org/help/ > _______________________________________________ Address messages to ev@lists.evdl.org No other addresses in TO and CC fields HELP: http://www.evdl.org/help/
