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evristow
Joined: 11 Oct 2009
Posts: 27
Location: Rio de Janeiro - BR / Manchester - UK
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Nick,
Just to let you know these were the drivetrain configurations that we used on Touro Light (5" wheels):
RG2007 - 42mm Banebots + RS-775 Mabushi/Leshi @ 24V > We won the turnament, but it sucked, I replaced every motor after each fight.
RG2008 - 42mm Banebots + Dewalt New Style @24V > The motors improved, but the gearbox couldn't handle the increased power. Several gearbox locked up which let to burnt motors and Victors.
RG2009 - Moded Dewalt Powerdrive @33V - The mod was a new front including double bearings to be able to use an overhanging shaft. Big mistake to use the Dewalts New Style on 33V, mechanically it was good, but some motors cooked. At the end of 2009 I left RioBotz to live in the UK.
RG2010 / 2011 / 2012 - The original idea before I moved was to machine a custom 25:1 gearbox (T-Box style) and use the Dewalt Hammerdrill 36V motor @ 33V. But the remaining team decided to use Astro 90 motors and TWA-69 gearbox, which worked ok, but are to expensive IMO. I don't recall which was the voltage. They had a major failure in 2010 that resulted in a fire, but I don't know the reason.
At the end of the day, I think that 36V hammerdrills are a really good choice for lightweights. Brushless might to good as well (I am working on it as I write you...)
Regards,
Eduardo
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Fri Feb 22, 2013 3:28 am |
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