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I have a long section of rail that I'd like to serve with a single minecart. If I left the minecart on the other end of the railway, I'd like to push a button to have it sent over to the station I am at.

Thus far I've been able to accomplish this with redstone and repeaters, but I've noticed that repeaters only work one-way; I've looked at some online documentation and have found a schematic for two-way repeaters, but it requires quite a bit of real estate and my railway is elevated high off the ground so I'd like to keep land (and resource) usage to a minimum.

Is there something I'm missing about repeaters? Is there a small schematic for making them bidirectional?

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  • Could you give a link to the large repeater you found?
    – user9983
    Jun 16, 2011 at 5:07
  • @OrigamiRobot: Added.
    – fbrereto
    Jun 16, 2011 at 5:50
  • You aren't missing anything about repeaters. They are only supposed to work in one direction (like a diode). The only other bidirection design I can find is this: youtube.com/watch?v=Bhy4XjidPDQ . Seems even less space efficient.
    – user9983
    Jun 16, 2011 at 6:07

2 Answers 2

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I'm not necessarily sure that it is the most space-effective solution, but it's probably the method for making it look the nicest, and it's certainly the easiest: Run two wires; one each way.

Edit: As a side note; if the stations are too far away from one another, what you are planning won't work in any case; and building a rail in that fashion requires a lot of boosters. (Depending on your need for speed a rail traversable by unoccupied or freight carts requires 5-10 times as many booster tracks as one for PAX transport.)

Unless this is an automated freight line a more practical and resource-friendly approach is probably to have a couple of extra minecarts in a chest at each station.

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If you are only using this track one way then you can have a tripwire at the exit end so that once you're off, it will send it back automatically.

If the distance is fairly short, you can use detector rails and a delay so it will go back and forth constantly but stay at each end for a few seconds so you can catch it.

A more logical idea is to have a stop at each end of the track where you would get off and then the cart is destroyed and collected and put into a chest. When you want to leave, press a button and a dispenser drops one of the stored carts onto the track for you to get in and go. Replicate this at the other end and you shouldn't run out of carts any time soon as long as you don't repeatedly use the track in one direction.

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