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by trevmar
Sun Dec 02, 2018 2:51 am
Forum: General / Main Chevy Bolt Owners Forum
Topic: "Auto" HVAC questions
Replies: 10
Views: 1211

Re: "Auto" HVAC questions

Sunroofs are not compulsory on any vehicle and you always have the freedom to say no to them (unless perhaps you are buying used). They are just a way of improving ventilation, how they are installed and their reliability is another consideration. Oh, and of course, you have the freedom to express y...
by trevmar
Tue Nov 27, 2018 12:07 am
Forum: General / Main Chevy Bolt Owners Forum
Topic: "Auto" HVAC questions
Replies: 10
Views: 1211

Re: "Auto" HVAC questions

Too bad there is no sunroof option - a tilted sunroof is a good way to extract warm and/or humid air from the cabin without using fans or a/c and only adds minimal drag.

Cars these days are becoming like houses - fully sealed and then needing "air management"
by trevmar
Tue Nov 27, 2018 12:03 am
Forum: News and Main Chevy Bolt EV Forum
Topic: Regen question
Replies: 12
Views: 454

Re: Regen question

I too was skeptical about L, but have adapted to it and I now prefer the way I get "instant" slowdown with using one pedal. Correct me if I'm wrong, but there must be a time delay between "power on" and "braking" when using two pedals, unless you're a rally car driver a...
by trevmar
Thu Oct 25, 2018 2:26 pm
Forum: Technical Discussions
Topic: YAMMV - Close call
Replies: 4
Views: 362

YAMMV - Close call

We are a couple of old retired duffers, so our usage pattern is overwhelmingly urban and typically no more than 30 miles a day (i.e. boring and pottering), but today we did a freeway run (Orcutt to SBA airport, hwy 101) that was almost exclusively at 67mph, set on the cruise control. We set off at 1...
by trevmar
Wed Jul 04, 2018 4:10 pm
Forum: Ask Chevrolet
Topic: parking in the sun
Replies: 1
Views: 344

Re: parking in the sun

Sun is bad for any vehicle at least in terms of UV degrading the paint and interior surfaces. In summer you will place a higher load on the A/C after parking in the sun, and you may also heat the battery a bit but not much as it is low to the ground. Note on a windy day it is probably better to park...
by trevmar
Fri May 25, 2018 11:32 pm
Forum: Batteries and Charging
Topic: Charge: As soon as possible, or as late as possible?
Replies: 21
Views: 1602

Re: Charge: As soon as possible, or as late as possible?

FWIW I'm an electrochemist who spent (or wasted) over 40 years trying to make electrons swim. In the 1970's we found users of nickel-cadmium batteries in walkie-talkies got much better life when the devices were being heavily used (and abused) as opposed to spending all their lives on "float&qu...
by trevmar
Sat Feb 03, 2018 1:06 am
Forum: Batteries and Charging
Topic: EVSE supply voltage
Replies: 2
Views: 453

EVSE supply voltage

Has anyone investigated how "pure" the AC supply to the GM included EVSE must be? Will it tolerate an inverter power supply, there seem to be large variations in the sine wave outputs of these devices? I am thinking in an emergency ONLY to run a "normal" IC car with an inverter s...
by trevmar
Sun Dec 17, 2017 10:22 pm
Forum: Batteries and Charging
Topic: Has anybody tried these 'portable' EVSEs ??
Replies: 48
Views: 7518

Re: Has anybody tried these 'portable' EVSEs ??

Does anyone know what the quiescent (i.e. not connected to Bolt) current drain of the GM supplied EVSE is if left plugged in to either a 110 or 220 volt supply? Repeatedly inserting and unplugging has me concerned about mechanical wear on the outlet. However, unnecessary drains are also a factor. I ...
by trevmar
Tue Dec 05, 2017 5:58 pm
Forum: Batteries and Charging
Topic: 110 volt outlet
Replies: 3
Views: 620

Re: 110 volt outlet

Ooops - my bad, what I thought was a 110 outlet is the two USB outlets in the center rear - sorry!
by trevmar
Tue Dec 05, 2017 3:26 pm
Forum: Batteries and Charging
Topic: 110 volt outlet
Replies: 3
Views: 620

110 volt outlet

Anyone have experience with the on-board 110 v outlet? How much current will it supply, and for how long can you use it?

would be nice to know if we could use it if (when) the house power goes down, even if only to run the gas furnace blower to keep the house warm

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