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I just got through purchasing 4 rotation sensors for that very reason for my
lift bridge (http://www.cei.net/~rhendrix/lego.html - in Creations). I will
be adding the 4 rotation sensors and an additional rcx to my bridge sometime
this year. Out of 32 motors, I could never get 2 that matched perfectly. I
believe some of the problem may be caused from different length wire, as
well as, non-matched motors.
-Rob
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Message has 1 Reply:
 | | Re: drawbridge
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| (...) the length of the wire has nothing to do with the speed. the problem is that one motor, the first one on the line, is getting most of the power. the motor at 9v, 12v or 115v that doesn't mean thats the exact amount of power that it uses, it (...) (21 years ago, 29-Apr-03, to lugnet.technic, lugnet.trains)
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Message is in Reply To:
| | Re: drawbridge
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| (...) I hope my bridge design spreadsheet worked okay for you. Your trusses look good! Nice work. Very nice! (...) I've hit a similar problem in planning out a crane. I've contemplated using two separate winches to lift the main hoist, but just like (...) (21 years ago, 29-Apr-03, to lugnet.technic, lugnet.trains)
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