12-19-2010, 10:19 AM
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#1 (permalink)
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Master EcoModder
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Headway traction pack
Recently decided to take the lithium plunge and decided upon headway 16ah cells. Here's an initial video on the plan thus far:
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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12-20-2010, 11:04 AM
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#2 (permalink)
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Administrator
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What made you want to go with the headway cells vs TS or other prismatic type cell?
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12-20-2010, 04:14 PM
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#3 (permalink)
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Master EcoModder
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I got a good deal on a quantity of the 16ah cells. Price i couldnt refuse  I was going to use them for the motorbike but decided to take the plunge and add a few more and make a pack for the car.
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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12-26-2010, 11:42 AM
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#4 (permalink)
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Master EcoModder
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Figured it was time to work off some of that turkey today so decided to do a few hours in the workshop. Pictures tell the tale. The company that was supposed to supply the aliminium tubes for the corners let me down badly. Not wanting to be held up any further i improvised spacers by parting off some 20mm pvc electrical conduit on the lathe to 200mm. Will do the job until the aluminium eventually arrives.
Oh and Merry Christmas everyone 
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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12-27-2010, 06:23 PM
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#5 (permalink)
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Master EcoModder
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__________________
Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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12-29-2010, 07:21 AM
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#6 (permalink)
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Master EcoModder
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Just this morning finished the 72v section. Will be testing in the car soon.
__________________
Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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12-29-2010, 08:14 AM
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#7 (permalink)
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Administrator
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Looking good!
What are the overall dimensions of the pack all put together?
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01-03-2011, 03:20 PM
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#8 (permalink)
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Master EcoModder
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Headways are in ...............
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Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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The Following 2 Users Say Thank You to jackbauer For This Useful Post:
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03-12-2011, 04:08 PM
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#9 (permalink)
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EcoModding Lurker
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Jack,
I recently went through your BMW build site....nice job. I was wondering if you could provide some information on where you got the motor that you are using. The specs on the data plate would fit my application very well. Also, what gear do you typically drive your car in?
Thanks...
Rick
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03-12-2011, 05:19 PM
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#10 (permalink)
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Master EcoModder
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The motor came from a 72v mitsubishi 4 ton forklift. I use 3rd and 4th mainly and 5th for motorway driving.
__________________
Now, Cole, when you shift the gear and that little needle on the ammeter goes into the red and reads 2000 Amps, that's bad.
www.evbmw.com
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