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Andrew_Campbell [WA]
Joined: 09 Dec 2009
Posts: 9
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Motor questions
Hiya, folks. I have a couple of XU-1's and while I am happy to use them in ECE, I am wondering if there is a better alternative that is affordable. (Well, I know that there are many alternatives, but are there any that are recommended above all others) If I wanted a 2wd bot, and was willing to spend say $150 per motor, what would I be best getting?
Regarding voltages, I was thinking of 12v, but 18v or 24v would be not too much of a stretch, depending on the ESC's I end up using.
So, a generic question, really; are there any motors out there that are recommended, without going mental?
Cheers.
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Wed Dec 16, 2009 7:00 pm |
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Spockie-Tech
Site Admin
Joined: 31 May 2004
Posts: 3160
Location: Melbourne, Australia
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Most cheapy chinese drill motors (Huang-Chen etc) will definitely fail more easily than a better branded equivalent. Brush Holders break, plastic bushes and fans melt and sometimes if you cook them a bit the rotor comes loose from the shaft.
They're good enough to get you going, but in a sustained pushy match after match big event, they will often let you down.
"Johnson" brand motors seem about the best value/easily available/quality balance in my experience. Metal bearings, not bushes, better plastic on the fans, and stronger brush holders.
Gearbox wise, you can mod up drill gearboxes and get them moderately reliable if you're preapred to tinker, fidget and fuss about. In standard form they're about the same as the motors. Good enough to get your moving, but if youre up against any serious competition, make sure you have spares and acknoweldge that you will lose occasionally due to a gearbox failure.
I'm going to give the banebots P60 gearboxes a go. Reports seem OK on them and they're easier to mount than drill gearboxes. pretty pricey though
http://banebots.com/pc/P60K-nnnn/P60K-55-0004 _________________ Great minds discuss ideas. Average minds discuss events. Small minds discuss people
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Wed Dec 16, 2009 7:34 pm |
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