I've been looking at the Roboteq 3100BPS speedos, they're single channel and upto 120A. I did e-mail Roboteq about them a while back and got a reply saying that they should be ok but we would need to monitor the temperatures during testing. Assuming we heat sink them the same as our Dogsbollox controllers we should hopefully be ok... they never exploded, although we did manage to de-solder the main power & motor anderson connectors from the boards several times so hopefully temperature shouldn't be an issue...
Would love to fit a AX2550HE or similar but it would need significant surgery to the case to get it in, although with the new shorter bottles you never know. Just need to wait for these bottles to turn up now and hope they fit.
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