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by WetEV
Sun Mar 17, 2019 3:39 pm
Forum: Local / Regional Discussions
Topic: Where are all the Bolts in MN?
Replies: 4
Views: 120

Re: Where are all the Bolts in MN?

Every day for 3 weeks I got a message from the car warning of the danger of not being plugged in during extreme cold. This could present a problem for us in the Midwest when everyone is driving an EV in a few years - we can all plug in at home overnight, but what to do when the temperature is 20 be...
by WetEV
Mon Feb 18, 2019 5:41 pm
Forum: General / Main Chevy Bolt Owners Forum
Topic: Driving in "L" when it is slippery
Replies: 5
Views: 295

Re: Driving in "L" when it is slippery

The only potential benefit I can see of "D" mode is that use of the brake pedal can engage the rear brakes as well as the front ones. But here's the thing - light application of the brake pedal in "D" mode engages regen first anyway - so you still slow down using only the front ...
by WetEV
Sat Feb 09, 2019 3:43 am
Forum: Batteries and Charging
Topic: DCFC's come to Interstate-5... finally!
Replies: 15
Views: 918

Re: DCFC's come to Interstate-5... finally!

How about an overnight at a campground with 120V charging? Most campgrounds would be able to give you a 240V/30A or 240V/50A hookup, the latter of which will charge the car at full L2 speed. That's exactly why I carry a TeslaTap with a Tesla UMC and several AC cords for it. "30 Amp" at ca...
by WetEV
Fri Feb 08, 2019 5:15 am
Forum: Batteries and Charging
Topic: DCFC's come to Interstate-5... finally!
Replies: 15
Views: 918

Re: DCFC's come to Interstate-5... finally!

Hopefully just teething issues. I am willing to give them a little time to sort it out and get better. But I feel you. Nothing is worse than expecting a QC to be ready for you only to find that it is out of order and you have to go somewhere else. Especially if that "somewhere else" is L2...
by WetEV
Sat Feb 02, 2019 2:39 am
Forum: Technical Discussions
Topic: Drive range questions
Replies: 2
Views: 270

Re: Drive range questions

I recently watched a very cool you tube video from Weber Sate University called a deep dive into chevy bolt drive unit. One of things I was curious about that was not covered is what happens in L range and R range. I have a theory that reverse is accomplished in the single power 3 phase inverter wh...
by WetEV
Mon Jan 28, 2019 1:08 am
Forum: General / Main Chevy Bolt Owners Forum
Topic: Battery Charge Capacity
Replies: 5
Views: 424

Re: Battery Charge Capacity

For over a year I've been charging the 2017 Bolt in the garage using a level 2 240v charger. After a full charge, the mileage shows (approximately) max = 285 miles, average = 250 miles. The last two full charges using the same charger and settings, the max was only 245 and the average was 220 or le...
by WetEV
Sat Jan 19, 2019 9:03 pm
Forum: Batteries and Charging
Topic: BoBattery failure - How good is the warranty going to be?
Replies: 24
Views: 2857

Re: BoBattery failure - How good is the warranty going to be?

Batteries don't have any sort of output that says "this is my % state of charge". They have +, - and maybe temperature. You can definitely get the voltage, but that's doesn't by itself cleanly map to a % SoC. There are academic papers published recently on how to improve SoC estimateion. ...
by WetEV
Sat Jan 19, 2019 8:56 pm
Forum: Buying / Leasing / Dealerships
Topic: So are we all going to end up buying our cars after our leases are up?
Replies: 41
Views: 2722

Re: So are we all going to end up buying our cars after our leases are up?

Disagree on internal navigation. Surveys show a majority of drivers actually prefer to use one familiar system for all navigation - their phone. Prefer? Sure. But I'd like to car to have navigation, even if somewhat out of date and less useful than the phone. The reason is range estimation. The car...
by WetEV
Sat Jan 05, 2019 2:00 pm
Forum: General / Main Chevy Bolt Owners Forum
Topic: Daily Driving...125-150 per day
Replies: 5
Views: 393

Re: Daily Driving...125-150 per day

Also see: http://www.mychevybolt.com/forum/viewtopic.php?f=3&t=8404#p32952 http://www.mychevybolt.com/forum/viewtopic.php?f=12&t=8079#p31221 Worst case is when everything that can go wrong does. There is a large chance that all would go very well. There are forty thousand or so Bolts, and a ...
by WetEV
Fri Jan 04, 2019 4:19 pm
Forum: General / Main Chevy Bolt Owners Forum
Topic: Daily Driving...125-150 per day
Replies: 5
Views: 393

Re: Daily Driving...125-150 per day

I'm an engineer, and tend to try to look at the worst reasonable case. Sparke is likely correct, but I'd like to give a worst case sort of opinion. Sparke is exactly correct on computer and radio energy useage. My laptop draws 45W maximum. The car has 60,000 kWh. So, ignoring losses, I could charge ...

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