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(...) Actually, I think what he's suggesting is a pretty good idea. I usually test most of my sumo robots this way. Place the robot next to a wall. If you don't want to damage a wall with a big, powerful robot, :) use a book held against the floor (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) My main concern isn't spending money on batteries, that's just something that popped in my head when I was listing our questions I had about the 6 motor solution. My main concern is getting half-way through the tear-down/rebuild process only (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Thanks Brian, I doubt I will attempt your suggested test of driving into a wall (this scares me very much!) but I hear what you are saying. Based on Steve's reply, I have decided that 6 motors pushing is better than 4. Since I have already (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) It's been my experience that a robot with 6 motors will push harder than a robot with 4 motors. (...) If you're concerned about spending money on batteries, your best bet is to go with a 2 motor robot. If you want to build a really strong sumo (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Great. My method was to combine the motor outputs down to two axles (left & right) and then do the gearing down/up. I also played with running the "boost" motors at a different gear ratio than the other four, but wasn't sure it would help (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Okay I've done it. I have the drive train all figured out with the exact gearing I wanted. Now the question to answer before I totally tear down and rebuild a complete robot is; will adding an additional 2 motors to help in forward and reverse (...) (21 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) Now that is conveinient! ;) (...) I am messing around with this idea hoping to get the gear ratio I want (2:5). I currently have 16t on the motors driving 40t on the drive axle. I haven't come up with a good way to incorporate the differential (...) (21 years ago, 15-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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(...) ... (...) Jona, Take a look at Fingers from Sumo-bot 4 (on YOUR web site :) :) (URL) a pretty good picture from the bottom. (URL) robot uses 4 motors (two RCX outputs) to drive 6 wheels. That's kind of the opposite of what you want, but it may (...) (21 years ago, 15-Feb-04, to lugnet.robotics.rcx)
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| | Re: multiple motors
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In lugnet.robotics.rcx, Steve Hassenplug wrote: <SNIP> (...) </SNIP> So Steve (or Brian or anyone else reading this), have you actually built the drive train you describe? And if so, can you share the specifics of the gearing and configuration of (...) (21 years ago, 15-Feb-04, to lugnet.robotics.rcx)
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| | Re: RCXCC and Visual NQC 2001
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(...) require the Spirit OCX control (which may be why RcxCC didn't work). And with the latest NQC 3.0 beta (3.0 a2) you can take advantage of such cool things as pointers, integrated Spybotics API, and extended support for writable sources. (...) (21 years ago, 13-Feb-04, to lugnet.robotics.rcx)
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