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Old 11-07-2009, 09:33 PM   #211 (permalink)
The $500 Electric Car
 
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Originally Posted by MPaulHolmes View Post
It's true! I want that! I need me one a them. Hey, I have a control board for you now They just got here.... hehe. And a power section board too.
Well you can't have it!! It's MINE!
Ok, you are the genius that figured out how to make your Harbor Freight $3 multimeter that Darin and I were talkin about on the other board into an ammeter, and you want one of these?? If I had half your brains I woulda made one of those mutimeters into an ammeter for myself!!

Ok, cut the copper THIS length, divide by pi, multiply by the inverse square root of....oh shoot! This is where I click the Buy it Now......

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Old 11-07-2009, 09:39 PM   #212 (permalink)
The $500 Electric Car
 
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Hey, I have a control board for you now They just got here.... hehe. And a power section board too.
I will need to trade you for something! No, you can't have the ammeter!
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Old 11-07-2009, 09:47 PM   #213 (permalink)
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You are a teacher right? If you could punch one of the really annoying kids, that would be payment enough for me. I'm a substitute teacher.
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Old 11-07-2009, 11:22 PM   #214 (permalink)
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Well, maybe that thing with the gauges will help you out if you need to modify it.

That guy, if I read correctly, picked up a handful of those gauges for some $5 each.
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Old 11-07-2009, 11:45 PM   #215 (permalink)
The $500 Electric Car
 
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Originally Posted by MPaulHolmes View Post
You are a teacher right? If you could punch one of the really annoying kids, that would be payment enough for me. I'm a substitute teacher.
Yeah, for special needs kids. Don't know why, but people don't like it when I slap them around too much...
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Old 11-07-2009, 11:47 PM   #216 (permalink)
The $500 Electric Car
 
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Well, maybe that thing with the gauges will help you out if you need to modify it.

That guy, if I read correctly, picked up a handful of those gauges for some $5 each.
I HAVE been playing with the idea of hooking up some sensors to the motor for temperature.....
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Old 11-07-2009, 11:49 PM   #217 (permalink)
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Oops. OK, don't punch any of them.
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Old 11-08-2009, 12:01 AM   #218 (permalink)
The $500 Electric Car
 
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Hey Paul, since you already built the shunt, couldn't you just use this?:

4 Digital Electronic Voltage DC 300A Panel Meter 34-654 - eBay (item 130336793476 end time Nov-10-09 22:56:11 PST)
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Old 11-08-2009, 12:24 AM   #219 (permalink)
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dang that's cheap! Ya, that would do! I have to wait until I have the AC controller parts, then I'll get that.
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Old 11-08-2009, 10:01 AM   #220 (permalink)
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Quote:
Originally Posted by vpoppv View Post
It looks like that is just the display. They don't show a shunt,
a hall effect sensor, or anything to carry 300 amps DC!

There are plenty of cheap 100-1000 amp DC shunts on e-bay that have
50 or 100mv outputs though, but they weigh more than an ounce!

I also didn't see the link for your shunt/meter.
Can you post it?

Thanks
Mark

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