 | | Re: Motorized Railroad Crossing Lift-Gate Plans —Brad Hamilton
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| | | I've been trying to build a dual one (i.e. a gate on each side of the rails), but I keep having trouble keeping the sides in synch. If I use two motors, they seem to turn at slightly different rates so the gates don't line up after a while. I tried (...) (24 years ago, 25-Feb-01, to lugnet.trains)
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| | | | | Re: Motorized Railroad Crossing Lift-Gate Plans —Larry Pieniazek
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| | | | | (...) What I did on my lift bridge was used two motors but slaved them together with a geartrain and axle. That way they had to stay in synch but I wasn't asking one motor to keep both sides synched. ++Lar (24 years ago, 25-Feb-01, to lugnet.trains)
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| | | | | Re: Motorized Railroad Crossing Lift-Gate Plans —Will Hess
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| | | | | (...) This wouldn't be easy to implement but how about placing the motor midway between both gates? Will Bricksburg Fire and Rescue: www.crosswinds.net/~hokie Bricksburg Depot: (URL) (24 years ago, 25-Feb-01, to lugnet.trains)
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| | | | | Re: Motorized Railroad Crossing Lift-Gate Plans —Chris Phillips
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| | | | (...) I have synchronized a pair of these gates, and it is much easier to do than you might imagine. The drive train in my design uses a rubber-band, which allows slippage when the gates reach their limits of motion. The rather odd assortment of (...) (24 years ago, 26-Feb-01, to lugnet.trains)
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