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I want to incorporate my Lionel Drawbridge (71-4173)  into a Super Streets roadway.  I wired everything according to the drawbridge instructions and removed the center pin on the super street tracks since there are no insulating pins for this type of track. Unfortunately this does not work. The cars stop in the insulated block whether the bridge is up or down. So I thought that I would try the Lionel Super Street Insulated track sections (6-21521). No instructions come with this track and I have had no success to wiring these to actually stopping the car when the bridge is raised etc. Is there a way to do this?

I also have a MTH crossing gate with 5 wires r/b wires for power and yellow (NO), white (NC) and green (common). I want to connect the crossing gate the Lionel Drawbridge (71-4173) so that when the bridge goes up the crossing gates do down and when the bridge goes down the crossing gates go up, any suggestions here?

Any help would be appreciated,

Thanks Jim McGehee

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You can easily make a center insulated section with superstreets. Remove the track pin and bend in opposite directions. Then solder a wire to the center rail. 

 

The bridge is designed to stop the train when it goes up.  It can be done with a simple relay. You need a way to detect when the bridge is down. Perhaps an outside insulated rail section can work a relay. When the bridge is down it could complete the circuit to a relay coil.  If not you could use a reed switch and magnet. In either case a DPDT ( 2 sets of contacts) relay can work the crossing gate and cut power to the street section.

 

Crossing gate hookup is shown here

 

LINK

 

I don't have the accessory so I can't give a definitive answer.

 

Dale H

Last edited by Dale H

I decided to eliminate the Streets track in the insulated block and that allowed everything to work properly. The Streets car now stops when that bridge is raised and resumes speed when the bridge is lowered.

Now I have to figure out how to integrate the crossing gates so that they lower across the road when the birdge goes up and raise up when the bridge raises up.

 

Thanks for Dave’s input on the use of relays.

Jim McGehee

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