Subject:
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Re: What is RPM of Gear Motor???
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 6 Jul 1999 16:20:51 GMT
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Reply-To:
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berwin@tufts.=StopSpam=edu
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Viewed:
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739 times
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oops. forgot to divide by 2. make that between 600 and 720 RPM.
I called pitsco lego dacta and they report 350 RPM... i wonder if i'm
doing something else wrong in my analysis... but i can't find it! anyone
else?
Ben Erwin wrote:
> I just made an optical shaft encoder with the light sensor and a
> spinning paper disc, and measured somewhere near 1300 RPM using
> datalogging on the RCX. Does anyone know if this is close to the
> technical specs of the gear motor that I was using to drive it?
>
> thanks
>
> please send reply (no cc -- send two different messages if you want to
> post answer to newsgroup as well) to address below:
>
> -Ben Erwin
> berwin@tufts.edu
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Message has 2 Replies:
 | | Re: What is RPM of Gear Motor???
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| Keep checking the math. I clocked the motor at 330 - 350 rpm. I used the rotation sensor driven directly by the motor. From analysis of the RCX firmware, the rotation sensor should be accurate to 1250 rpm, so I'm pretty confident of it being in the (...) (25 years ago, 6-Jul-99, to lugnet.robotics)
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Message is in Reply To:
| | What is RPM of Gear Motor???
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| I just made an optical shaft encoder with the light sensor and a spinning paper disc, and measured somewhere near 1300 RPM using datalogging on the RCX. Does anyone know if this is close to the technical specs of the gear motor that I was using to (...) (25 years ago, 6-Jul-99, to lugnet.robotics)
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