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Old 03-13-2011, 11:35 AM   #4461 (permalink)
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Nice!!!!
Will you be distributing the spare boards any time soon?????????

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Old 03-13-2011, 11:36 AM   #4462 (permalink)
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Looking good, I say...
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Old 03-14-2011, 06:15 PM   #4463 (permalink)
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........must have........must...............have.........

On a side note i fitted a .1uf 50v ceramic cap to the zener in the rpm sensor circuit. No more false triggering!
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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.
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Old 03-15-2011, 11:53 AM   #4464 (permalink)
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We are going to start mailing them out today, but if anyone wants to wait until the little current sensor boards get here, I can.

I'm almost done with a whole completed controller!!! Oh heck ya!
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Old 03-15-2011, 06:15 PM   #4465 (permalink)
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99.999999999999999999999999999% done.

The back side, where all the caps are:


Front side:


Close-up of left half of driver board. Each half drives 7 mosfets:


Look, the drive board just bolts right to the bolts that hold the whole dang thing together! A nylon washer underneath, and nylon bolt on top, so the driver board stays isolated from the base plate:


View of the mosfets:


Control board:
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Old 03-15-2011, 10:06 PM   #4466 (permalink)
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So clean and so pretty!
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Old 03-15-2011, 10:12 PM   #4467 (permalink)
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[

Is the BOM posted anywhere yet?
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Old 03-16-2011, 07:11 PM   #4468 (permalink)
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I don't think it is. It must exist though, since I ordered the parts. I'll send stuff to Mark.
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Old 03-17-2011, 10:57 AM   #4469 (permalink)
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I'm working with a guy in San Francisco to design a liquid cooled heatsink for a 4 igbt based power stage. Looking to gauge interest at this stage. Target price is usd$150 plus shipping. This may reduce if a few people get together and order in bulk.
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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.
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Old 03-17-2011, 11:26 AM   #4470 (permalink)
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Liquid cooling

Quote:
Originally Posted by jackbauer View Post
I'm working with a guy in San Francisco to design a liquid cooled heatsink for a 4 igbt based power stage. Looking to gauge interest at this stage. Target price is usd$150 plus shipping. This may reduce if a few people get together and order in bulk.
It is a great idea.
Can you shed some light in the size, shape and components of this cold plate? Will it be pre-drilled?

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