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Subject: 
Re: Motor power?
Newsgroups: 
lugnet.robotics
Date: 
Thu, 18 Feb 1999 03:21:49 GMT
Viewed: 
3441 times
  
In article <F7BJ3x.5HI@lugnet.com>, "Hao-yang Wang" <hywang@pobox.com> wrote:

> Dave Baum writes:
> > The firmware does do PWM.  One reason you aren't seeing much difference is
> > that the motor has an internal flywheel.  When the pulse is "on", the
> > motor revs up to speed, then this speed is maintained by the flywheel
> > during the "off" pulse.  If you put a bigger load on the motor (i.e. have
> > it move something heavy), you'll start to notice some difference in the
> > power settings.  It still isn't great, but at least there is some
> > difference.
> 
> So is the old 8720(5114) motor more sensitive to the speed setting, due to its
> lack of a flywheel?
> 
> Hao-yang Wang

Yes - you can actually "hear" the change in speed as you alter power levels.

Dave

--
reply to: dbaum at enteract dot com



Message is in Reply To:
  Re: Motor power?
 
(...) So is the old 8720(5114) motor more sensitive to the speed setting, due to its lack of a flywheel? Hao-yang Wang (28 years ago, 17-Feb-99, to lugnet.robotics)

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