Ahhhh. So keeping your foot on the accelerator just keeps the braking from kicking in? That makes more sense. I assumed it was using energy because of the drag (braking) that otherwise happens.
> On Nov 30, 2019, at 2:35 PM, Mathew Howard <[email protected]> wrote: > > I have no idea how a Prius works, but in a Tesla while you do have to keep > your foot on the accelerator to keep regenerative braking from kicking in, it > isn't using any power to speak of when you're coasting. A gas car is still > burning gas when your foot isn't on the pedal too... > >> On Sat, Nov 30, 2019, 12:51 PM Matt Hoppes >> <[email protected]> wrote: >> Consider that we sometimes have the truck running for 6 hours a day. >> >> Between driving, keeping the cab warm or cold in extreme conditions, or >> lighting up a tower or location in the dark, running safety light bars on >> the vehicle. >> >> Electric just doesn’t seem efficient. >> >> I also find the regenerative breaking annoying and wasteful. On a flat road >> I have to keep my foot on the accelerator and basically burn electric to >> just keep going. >> >> With a gas vehicle on the same piece of road I can leave my foot off the >> accelerator and coast for miles at a time. >> >> Our Tundra is rates for 16-18 MPG highway driving. I get 22. >> >> I know how to drive a gas vehicle. I have yet to see comparable endurance >> out of an electric vehicle. >> >>> On Nov 30, 2019, at 1:10 PM, Darin Steffl <[email protected]> wrote: >>> >>> The brake pads in my Tesla should easily last 300k or more miles because I >>> rarely use them. The cars regenerative braking is so strong I basically >>> only drive with the throttle now. As soon as I let off, the car will use >>> regen on the motors and slow me down all the way to 0 now and then apply a >>> brake hold until I apply power again. The actual brake pedal is only used >>> for quick or emergency stops. >>> >>> So yes, it takes energy to climb a hill but you'll use regen the whole way >>> down and regain some of that lost energy. You don't get 100% of it back >>> because nothing is that efficient but you get nothing back from a gas >>> vehicle when you slow down or go down a hill. You always lose energy as >>> long as the engine is running. >>> >>> And range estimates on cars are exactly that, estimates. Don't take the >>> article literally that the car went from 50 miles of range to 8 miles. Just >>> as in a gas car, the estimate is not perfect. >>> >>> Moral of the story is, don't run out of gas or battery power and life will >>> be good. A portable generator to charge a car is not a great idea. It's >>> easier to get a flatbed and drop the car off at a supercharger or a 220v >>> outlet to charge faster. I know my car won't let me navigate somewhere >>> without telling me I need to charge in order to reach the destination. It's >>> pretty idiot proof as it should be. I have yet to run out of juice either >>> but I've gotten close like pulling into the garage at 1% range. Tesla does >>> say they have a 5% reserve on average so even if I hit 0%, I'd have around >>> 15 miles left in the battery before it truly stops. >>> >>> Proper planning is best for any vehicle and as more superchargers are built >>> and more level 2 chargers installed at restaurants and hotels, the range >>> anxiety will be a thing of the past. >>> >>> For wisp's, you can have chargers installed at the office or wherever the >>> trucks sit at night and have a full tank every morning. And it's very >>> doubtful you'll run dead. If you drive 200 miles or more in one day, you >>> need to schedule jobs more efficiently because that's over 3.5 hours of >>> windshield time you're paying your techs. Their time should be spent >>> installing, not driving. >>> >>> The corner cases like ranchers in Montana are well under 1% of drivers and >>> they'll eventually go electric too once big diesel trucks aren't made in >>> 10+ years. >>> >>> This is a train that is coming down the tracks and while it's not possible >>> today to produce enough batteries for EV's to replace everything overnight, >>> in 10 years the majority of new vehicle sales will be electric whether you >>> like it or not. It's simply the future and everything will get better. >>> Better motors, cheaper and higher density batteries, chargers everywhere >>> including rural towns, etc. >>> >>>> On Sat, Nov 30, 2019, 11:52 AM Mathew Howard <[email protected]> wrote: >>>> A nice side affect of regenerative braking is that my brake pads look like >>>> they've barely been used... and my car has almost 60k miles on it. >>>> >>>> On Sat, Nov 30, 2019, 11:16 AM Bill Prince <[email protected]> wrote: >>>>> Yah. Teslas are not like that. Going down a mountain generates power. >>>>> Slowing down (sort of braking) generates power. In aggressive throttle >>>>> mode, you hardly have to touch the brake as you can accelerate and slow >>>>> down with regenerative braking. >>>>> >>>>> >>>>> bp >>>>> <part15sbs{at}gmail{dot}com> >>>>> >>>>> On 11/30/2019 8:58 AM, Matt Hoppes wrote: >>>>> > My experience with a Toyota Prius the other week was that climbing a >>>>> > hill I could deplete the battery but coming down would not charge it. >>>>> > >>>>> > So yes. You’ll get into a deficit. >>>>> > >>>>> >> On Nov 30, 2019, at 11:25 AM, Seth Mattinen <[email protected]> wrote: >>>>> >> >>>>> >>> On 11/30/19 5:56 AM, Chuck McCown wrote: >>>>> >>> Depends on distance. My car is always charged. So I always have 200 >>>>> >>> miles on the tank. At the end of a full day of driving yes it needs >>>>> >>> to be charged. Local police departments are making Teslas work. >>>>> >>> Just takes a different mindset. No maintenance and a truck good for >>>>> >>> a half million miles with no fuel costs is pretty attractive to me (I >>>>> >>> charge with solar). >>>>> >> How much do you lose climbing elevation? Let's say sea level up to >>>>> >> 7000' 180 miles uphill (San Fransisco to Donner Pass). It's a minimal >>>>> >> grade for the first 100 miles then the last 80 is nothing but uphill. >>>>> >> Back when Tesla was first doing their supercharger network thing they >>>>> >> put ones in Roseville (basically the bottom of the hill) and more in >>>>> >> Truckee (just past the summit) so the assumption was that the climb is >>>>> >> hard and you would charge before going up the hill and charge again >>>>> >> after the climb. Even just to go to Lake Tahoe requires crossing an >>>>> >> 8000' summit (Reno is around 4200'). >>>>> >> >>>>> >> I'd like to get my wife an electric car, but it seems like normal >>>>> >> mountain driving would eat the battery quickly and then it never gets >>>>> >> used except for flat driving to and from her job or shopping. I'll >>>>> >> have 16.3kW DC of solar panels by the end of February and the way I >>>>> >> see it is free "fuel" for the car. I don't care about saving the >>>>> >> planet as much as I am interested in technology. >>>>> >> >>>>> >> -- >>>>> >> AF mailing list >>>>> >> [email protected] >>>>> >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>>> >>>>> -- >>>>> AF mailing list >>>>> [email protected] >>>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>>> -- >>>> AF mailing list >>>> [email protected] >>>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >>> -- >>> AF mailing list >>> [email protected] >>> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> -- >> AF mailing list >> [email protected] >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com > -- > AF mailing list > [email protected] > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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