 | | Re: Grade Crossing Signal Thingy... —Ross Crawford
| | | | (...) Easiest way is to have a stop of some kind at both extremeties of movement, and introduce some kind of slip into the drive mechanism, like rubber bands or a slip clutch (URL) each cycle runs the motor longer than it needs, and the clutch slips (...) (20 years ago, 17-Dec-04, to lugnet.trains)
| | | | | | | | | | Re: Grade Crossing Signal Thingy... —Joe Strout
| | | | | (...) How safe is it to routinely torque that slip clutch? I usually put it in for safety, but try not to need it -- something like a rope ladder for the upstairs bedroom. I'm thinking of a situation where a four-year old (and possibly several of (...) (20 years ago, 18-Dec-04, to lugnet.trains)
| | | | | | | | | | | | Re: Grade Crossing Signal Thingy... —Ross Crawford
| | | | | (...) I don't know, I've never tested it under such duress. I don't imagine it would damage the motor at all, but it may damage the clutch after prolonged use. (...) I've found the easiest way is with rubber bands, and though it is usually a little (...) (20 years ago, 19-Dec-04, to lugnet.trains)
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