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Old 01-31-2005, 08:47 AM   #16
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Quote:
Originally posted by Rob Mincey
I don't know about the Orion stick pack discharger, but I do know that Venom cautions against using their product to discharge a full, or almost full stick pack. Apparently, it can't take the heat generated by the process.

Rob
That Orion thing probably aint good for cycling (discharging a full pack), but if it's only for use after a run in the car, it's fine.
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Old 01-31-2005, 10:55 AM   #17
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I agree, if you are running Ni-CD's and not Ni-MH you should use some kind of discharger. I used bulbs for years and they work just find as long as you watch them and don't forget about them. you can even use a cheap voltmeter to monitor the pack voltage. You want to stop discharging when the pack voltage hits 5.4V for a 6 cell pack.

This meter would work

http://www.jameco.com/webapp/wcs/sto...oductId=127837
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Old 01-31-2005, 11:06 AM   #18
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If you run the car until it dies like you stated in your first post, this gets your packs down close to 5.4v and you will not need to discharge any further.
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Old 01-31-2005, 09:58 PM   #19
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Actually I do run the car until it barely moves. The drop off is staggeringly fast. the car goes from ~20mph down to nothing in a mater of seconds. The wonders of NiCd. Once it stops moving, I do just turn it off and unplug the pack, though if I let it rest a few minutes the cells would equalize and it would crawl around a little longer.

I would probably never discharge a full pack. I usually give it at least a few minutes of run time in the car. The Orion was what I was thinking when I heard light board. I may check it out. It certainly looks a bit more heat-resistant than the plastic-shelled Venom. Can't even blow a fan on the electronics with that one.

I got interested in this because my packs only took about 15-20mins to peak charge when the charger says it'd take about 45 mins. I do remember the packs taking longer to charge, so I was thinking memory was starting to set in... or maybe they're just breaking in. They run for about as long as they charge in constant use on a stock 540 motor pushing a shaft 4wd car, which is quite a load on a relatively cheap 1500mAh sport pack.
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Old 02-01-2005, 05:27 AM   #20
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Quote:
Originally posted by Liko
Actually I do run the car until it barely moves. The drop off is staggeringly fast. the car goes from ~20mph down to nothing in a mater of seconds. The wonders of NiCd. Once it stops moving, I do just turn it off and unplug the pack
Dont do this. If you think it over once again, I would say you can feel they slow down some before they totally dump. Only race them till they slow down. Then use the discharger. That will prolong lifetime AND give you better performance.
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