On Fri, Jul 12, 2019, 4:23 PM John <[email protected]> wrote: > Batteries generate a fair amount of heat when they're under load ... > otherwise > there wouldn't be all those stories about laptops & phones catching fire. > You > can tap the air-flow from battery cooling to heat the passenger > compartment. > That might work in Alabama in September, but when it's -40, a real heating element is going to be needed. This presumes that at those kinds of temperatures the batteries make enough electricity to move the car in the first place.
> > I think the bigger problem is going to be providing AC to keep the > passengers cool. > > On 7/12/2019 15:14:50, Bill wrote: > > On 7/12/2019 12:13 PM, Alan C wrote: > >> So owners will need two cars - one on charge & one on the road. Oh for > a time > >> machine! > >> > > > > Nope, it's just going to take a while for battery technology to catch up > to the > > needs of long distance driving. That and more depth of charging stations > that > > can quick charge a vehicle will make electric realistic for longish road > trips. > > > > Cabin heating will be a challenge. Right now, cabin heaters take heat > from the > > engine cooling system, but electric vehicles will have to heat the cabin > off the > > battery. This will be a range killer with winter driving. I expect AC > units will > > have some negative effect on range as well. > > Personally, I think hydrogen fuel cells are the way to go, but as they > have been > > tried and discarded, the people who know more than me must know stuff I > don't. > > Right now, to me as a consumer, electrics are cute toys that show > potential to > > be useful, but they aren't there yet. I suspect it won't be long though. > > > > bill > > > > > -- > Science - Questions we may never find answers for. > Religion - Answers we must never question. > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and > follow the directions. > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
