Quote:
Originally Posted by bennelson
Yep, we gotta do some more testing before getting everything out to the general public.
It's amazing what can be missed until you actually try something out!
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Is there anyone slated for testing that lives in a hot climate?
I'm in Phoenix and am about to go through my first summer with a 500A curtis 1231c. I have a thermal probe in the heatsink and, so far, the heatsink seems to level off around 30 degrees F above ambient when highway cruising and about 40F in the city. It reached 100F outside this past weekend and it began to limit current to 375A at the tail-end of some accelerations. Also, it often runs in its 'efficiency mode' at 1.5kHz, even while cruising at lower amps. There are others in AZ with Curtis', so maybe it'll be ok when it gets to 115+.
I know the Curtis is pretty inefficient too, especially when compared to the newer mosfets and upgraded design of this DIY model, so maybe it won't be a big deal.
Nevertheless, I'll be happy to help (and pay for parts) if testing in hot weather is desired. If everything is worked out soon, I can be driving it around in July and August which are the worst months.
-Joe