How do I make remote-controlled points (switching rails)?
From Ben Fleskes: ! I use a small technic pneumatic cylinder with a modified switch track. I modified a switch track using Steve Barile s instructions on the PNLTC web page. This change took at most five minutes and I found it very easy with an exacto knife as my only tool. After the modifcation, the switch could easily be switched from one position to the next with little resistance. To build the pneumatic switch, you will need the following parts: (1) small technic cylinder (1) 1x2x1 brick with side peg (1) gray technic connector peg (1) modified switch track Pneumatic hoses, valve and a pump. Place the gray technic connector peg on the small yellow extension on the switch track activator arm. This is a friction connection.Connect the 1x2x1 brick with side peg to the base of the small pneumatic cylinder.Connect the cylinder and brick to the gray technic connector peg on the yellow switch arm, with the 1x2x1 brick with side peg on the side closest to the track. Press the 1×2 down to t