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Subject: 
Re: rotation sensor question
Newsgroups: 
lugnet.robotics
Date: 
Fri, 28 May 1999 19:34:05 GMT
Original-From: 
John A. Tamplin <jat@ANTISPAMliveonthenet.com>
Viewed: 
1046 times
  
On Fri, 28 May 1999, Luis Villa wrote:

A quick question for those of you that have rotation sensors- do they spin
freely, or would they add significant friction to a setup? I ask because
I'd like to experiment with a balancing problem, and would need to
measure the angle of a pole without significantly changing how it falls.
I'm wondering if the angle sensors from Dacta will fill that role. Please
let me know...

There is very little turning resistance, but then this isn't a ball-bearing
shaft with lubrication.  It is probably as little as you can expect from a
Lego part.

John A. Tamplin Traveller Information Services
jat@LiveOnTheNet.COM 2104 West Ferry Way
256/705-7007 - FAX 256/705-7100 Huntsville, AL 35801

--
Did you check the web site first?: http://www.crynwr.com/lego-robotics



Message has 1 Reply:
  Re: rotation sensor question
 
(...) As for using them for a balancing problem, Luis will probably want to gear up the axle at the pivot point to get a more-accurate measurement than the 1/16th rotation that the rotation sensor provides. This might add some friction on its own, (...) (25 years ago, 28-May-99, to lugnet.robotics)

Message is in Reply To:
  rotation sensor question
 
A quick question for those of you that have rotation sensors- do they spin freely, or would they add significant friction to a setup? I ask because I'd like to experiment with a balancing problem, and would need to measure the angle of a pole (...) (25 years ago, 28-May-99, to lugnet.robotics)

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