Subject:
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Re: multiple motors
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Mon, 16 Feb 2004 03:50:16 GMT
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Viewed:
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3910 times
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In lugnet.robotics.rcx, Jona Jeffords wrote:
> 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 and additonal motors while
> maintaining this gear ratio. I guess I will keep playing with it.
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 motion really add enough to the push to justify the rebuild? We are
talking about driving a total of 6 motors from 1 RCX, 2 for the left wheel, 2
for the right, and 2 that join in when the robot is moving forward or backward.
Do I have anything to be concerned with as far as the draw on my RCX? Will I
burn through batteries much faster?
Any ideas or information that can help answer these questions is greatly
appreciated.
Jona
http://www.24tooth.com - LEGO Robotics Group of Ann Arbor
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Message has 2 Replies:
 | | 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 (...) (20 years ago, 16-Feb-04, to lugnet.robotics.rcx)
| | | 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 (...) (20 years ago, 16-Feb-04, to lugnet.robotics.rcx)
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Message is in Reply To:
| | 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 (...) (20 years ago, 15-Feb-04, to lugnet.robotics.rcx)
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