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Subject: 
Re: 2 Motors -> 1 axle
Newsgroups: 
lugnet.robotics
Date: 
Sat, 8 Jan 2000 18:22:09 GMT
Original-From: 
Andy Gombos <gombos@ne.infi.SPAMCAKEnet>
Viewed: 
400 times
  
I had 2 motors hooked up to 2 outputs for valves. The valves ran fine. When I
combined the 2 wires on one input, the valves ran considerably slower, since the
current was shared between 2 motors. I guess if you are running at speed four,
and you hook up 2 motors, you could set the speed at 8 and get the same
speed(correct me if I'm wrong).

Andy


Dave Johnson wrote:

One other question, having more to do with the RCX than anything else:
does it make a difference whether I run both motors from one output or
use 1 output for each motor? My guess is there's no difference, that any
current limiting in the RCX is systemwide, but there may be individual
current limiting on each output, I don't know. Does anybody know for sure?




Message has 1 Reply:
  Re: 2 Motors -> 1 axle
 
(...) Probably wrong, since the different speeds are done via pulse modulation. (24 years ago, 8-Jan-00, to lugnet.robotics)

Message is in Reply To:
  RE: 2 Motors -> 1 axle
 
(...) <snip> (...) OK, enough people have replied along these lines that I have to assume it's true. And the more I think about it, and about how electric motors work, the more I'm convinced it must be true, even with all the internal gearing and (...) (24 years ago, 8-Jan-00, to lugnet.robotics)

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