[EVDL] EVLN: FOMM semi-amphibious 'flood-risk optimized' EV (video)

2014-11-06 Thread brucedp5 via EV
'Designed for Thailand's high flood risk areas' http://www.gizmag.com/fomm-concept-one-electric-amphibious-car/32572/ Concept One: Floating the idea of a semi-amphibious vehicle By Stephen Clemenger October 30, 2014 [images http://images.gizmag.com/hero/fommconceptonepictures.jpg Hideo

[EVDL] EVLN: i3 EV designed-for tested in Euro ice snow conditions

2014-11-06 Thread brucedp5 via EV
http://www.bmwblog.com/2014/11/02/bmw-i3-handle-winter/ How does the BMW i3 handle in winter? BMW i | November 2nd, 2014 by Horatiu Boeriu [images http://www.bmwblog.com/wp-content/uploads/BMWi3winter.jpg (i3 in winter) http://www.bmwblog.com/wp-content/uploads/bmw-i3-prototype-snow-1.jpg (i3

[EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread brucedp5 via EV
% ?Bad wiring, defective EVSE, wrong EVSE choice for a Volt pih? % http://www.khou.com/story/news/local/neighborhood/2014/11/05/electric-car-charger-may-be-to-blame-for-garage-fire-in-nw-houston/18531911/ Electric car charger may be to blame for garage fire in NW Houston KHOU Staff November 5,

Re: [EVDL] Range vs Speed

2014-11-06 Thread Chris Tromley via EV
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Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread Paul Dove via EV
Bet it was his BMS Sent from my iPad On Nov 6, 2014, at 2:43 AM, brucedp5 via EV ev@lists.evdl.org wrote: % ?Bad wiring, defective EVSE, wrong EVSE choice for a Volt pih? %

Re: [EVDL] Range vs Speed

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread Robert Bruninga via EV
Energy used in driving is simple physics: Everything you put into acceleration you get back in Momentum. Everything you put into a hill, you get back as potential energy. Everything you put into braking is LOST (regen gains some back). Wind resistance goes up as the cube of speed. So the only

Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread paul dove via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread tomw via EV
/“Then you are left with mass x acceleration, and frictional effects. Wind and air drag is the predominant loss and speed related - hence the wonderment about not much difference. Rolling resistance is not that big a deal, comparatively; though you can certainly quibble over rough roads and

Re: [EVDL] Range vs Speed

2014-11-06 Thread Willie2 via EV
Generally, correct. On 11/06/2014 07:49 AM, Robert Bruninga via EV wrote: Energy used in driving is simple physics: Everything you put into acceleration you get back in Momentum. Everything you put into a hill, you get back as potential energy. Everything you put into braking is LOST (regen

Re: [EVDL] EV-spirits: Use a Halloween Costume for the EV-cause

2014-11-06 Thread Ben Goren via EV
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Re: [EVDL] EV4sale: Walter Kern’s 1974 Saab Sonett III EV...

2014-11-06 Thread Ben Goren via EV
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Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread EVDL Administrator via EV
It's a shame that the news piece mentioned a PHV here. That creates a negative association in the naïve reader's mind. Right now, all we know for sure is that some guy's garage burned. It could have been the car or the charger or the charger wiring, but there are countless things that can

Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread paul dove via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread paul dove via EV
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[EVDL] Range vs Speed

2014-11-06 Thread John Lussmyer via EV
I should have mentioned, this is with my electric F-250. Aerodynamics of a brick. I was REALLY expecting the much higher aero losses at high speed to make a measureable difference. On Wed Nov 05 21:43:42 PST 2014 ev@lists.evdl.org said: I'm not seeing much difference in power usage at different

Re: [EVDL] Range vs Speed

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread Chris Tromley via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread John Lussmyer via EV
Oh, around 6200 lbs I think. On Thu Nov 06 09:53:15 PST 2014 ctrom...@gmail.com said: How much does it weigh? What everyone else accelerates on every stop-start is probably nothing compared to your situation. Chris On Nov 6, 2014 12:38 PM, John Lussmyer via EV ev@lists.evdl.org wrote: I

Re: [EVDL] Range vs Speed

2014-11-06 Thread Charles Galpin via EV
What things like heat or AC do you have? They were running for an additional hour on the way back. -- charles On Nov 6, 2014, at 12:38 PM, John Lussmyer via EV ev@lists.evdl.org wrote: I should have mentioned, this is with my electric F-250. Aerodynamics of a brick. I was REALLY

Re: [EVDL] Range vs Speed

2014-11-06 Thread Peter Gabrielsson via EV
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Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread Cor van de Water via EV
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Re: [EVDL] Range vs Speed

2014-11-06 Thread Cor van de Water via EV
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[EVDL] Fast charging in The Netherlands

2014-11-06 Thread Cor van de Water via EV
: http://www.cvandewater.info http://www.cvandewater.infom Skype: cor_van_de_water Tel: +1 408 383 7626 -- next part -- An HTML attachment was scrubbed... URL: http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20141106/6570a706/attachment.htm

Re: [EVDL] Range vs Speed

2014-11-06 Thread Robert Bruninga via EV
Slower acceleration leads to lower average speed. Which leads to lower wind losses. Not at tall. You can take all the time y ou want to get to 70 PMH, but it is not acceleration that is causing the wind loss, it is *speed*. The wind losses are proportional to the cube of *speed* period. You

Re: [EVDL] Range vs Speed

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread Cal Frye via EV
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Re: [EVDL] Volt pih EVSE a suspect in NW Houston TX garage fire

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Roger Stockton via EV
Michael Ross wrote: If I have a programmable electronic load, rather than purely resistive loads, is this an unrealistic way to discharge batteries? I gather they use power MOSFETS and switch them to product the desired output current from the batteries. I think this implies some

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Cor van de Water via EV
Correct - a *supply* can use switching to minimize losses, a *load* simply burns the power away in linear mode (current control). Cor van de Water Chief Scientist Proxim Wireless Corporation http://www.proxim.com Email: cwa...@proxim.com Private: http://www.cvandewater.info Skype:

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Cor van de Water via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Lee Hart via EV
Roger Stockton via EV wrote: A programmable load is fine for discharging batteries. I believe the power devices are operated in linear mode, not PWMed, and have not observed any transients on the load current on any of the electronic loads I've used. I agree. The programmable loads I've

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Lee Hart via EV
Michael Ross via EV wrote: I have heard of putting a roll of fencing in a tank to steam off heat. Is this useful with a programmable load? Or is this just a crude way to discharge. This is just a quick-n-dirty way to make a big, high-power, cheap resistor. Any recommendation of actual

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Paul Dove via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Paul Dove via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread EVDL Administrator via EV
My dummy load is the resistive heat strips from a couple of derelict heat pumps. Since I use them at 144v rather than 240v, I split each in the middle. With all 4 (mismatched) half-elements in parallel, it uses about 100 amps at 144 volts, exactly what I was looking for. It also heats up the

[EVDL] Resistive loads: Q about using an electronic load.

2014-11-06 Thread brucedp5 via EV
When doing things on the cheap / in less-costly mode ... Way back when I had my first set of upgrades http://brucedp.150m.com/blazer/index2.html part of which was to bump up my pack from 120VDC T125's to 132VDC T145's, the professional converter (Mike Slominski, now retired, likely from all the

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Roger Stockton via EV
Michael Ross wrote: I have heard of putting a roll of fencing in a tank to steam off heat. Is this useful with a programmable load? Or is this just a crude way to discharge. Probably not, unless the electronic load you choose is designed to be used with an external load bank, or you plan

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Roger Stockton via EV
Michael Ross wrote: I am investigating how to test cells and packs - I will need to charge and discharge. If I have a programmable electronic load, rather than purely resistive loads, is this an unrealistic way to discharge batteries? Thought I'd mention that while a programmable load is

Re: [EVDL] EV-spirits: Use a Halloween Costume for the EV-cause

2014-11-06 Thread Robert Bruninga via EV
That's a no brainer. Get a Volt! original email - I have a friend who's contemplating buying a new car. I was able to get him to seriously consider an EV, but he says there're enough times he needs more than 100 miles range for some random emergency that he can't

Re: [EVDL] Q about using an electronic load.

2014-11-06 Thread Michael Ross via EV
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Re: [EVDL] EV-spirits: Use a Halloween Costume for the EV-cause

2014-11-06 Thread Ben Goren via EV
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