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EVcast #197: Spiderman Car and Other Hype

Monday, March 16th 2009 @ 2:31 PM (1 ratings)    post viewed 2671 times

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John Briggs
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JohnBriggs said on Monday, March 16th 2009 @ 4:11 PM:

Standard EV connector J1772

http://www.sae.org/dlymagazineimages/5889_5641_ART.jpg

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John Briggs
Free Access
JohnBriggs said on Monday, March 16th 2009 @ 4:32 PM:

Re: Plasma TV versus EV charging

Plasma TV                 =0.6 KW (for 50")
Tesla 220V charger = 15.4 KW (for 3.5 hours if fully discharged)

So, the high power charger Tesla is like 25 Plasma screen TV's !!!! But what does that really mean for the grid?  and what other comparisons exist.

Electric Dryer             =  5 KW
Electric Range            = 12 KW

   1) an EV with a high power charger is HUGE power draw when it is charging.  There is no way around this. 

   2) On the other hand, it is no worse then me going home and turning on the oven and drying my laundry in the electric dryer (I don't do that anymore).

    3) I think the concern is probably having some neighborhood adopting EV's in large numbers.  Then everyone comes home at 6:00pm and plugs in their cars, and overloads the transformer that supplies that neighborhood.  If this charging can be shifted until midnight, when no one is using AC, or electric ranges, or electric dryers, then there will be no problem.

    Perhaps the plasma TV comment is intended to scare people for some reason.  We should keep in mind that EV's are actually much more efficient than our existing vehicles.  So we will be better off.  We just take for granted how much energy is in gasoline.

 

Later
John C. Briggs

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John Briggs
Free Access
JohnBriggs said on Monday, March 16th 2009 @ 10:11 PM:

So in surfing EV motors, I came across a Miles Automotive NEV ZX40S

  The seller seems to be trying to get about $8500 for it.  Which is not too bad.

  But what really surprised me is the windows stick shows a price of US$18,315.  Seems like a tough sell for a vehicle with a 40 mile range and 25MPH top speed.

  Oh and why does a 2007 still only have 17 miles on it.  Is it possible that no one wants it at $18,315.

http://cgi.ebay.com/ebaymotors/Other-Makes-2007-Miles-ZX40S-LSV_W0QQcmdZViewItemQQ_trkparmsZ66Q3a2Q7c65Q3a13Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3286Q2ec0Q2em14QQhashZitem110357356568QQitemZ110357356568QQptZUSQ5fCarsQ5fTrucks

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