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Scratchbuilding / Eigenbau

• Modelling Structures in Card: An Article for the ETE Express.

Switching Puzzle / Rangierspiel

• Switching Puzzles for Use at Public Events: An Article for the ETE Express.
• Online Switching Puzzle with 2 & 3 Cars per Train

A Day in Nördlingen / Ein Tag in Nördlingen, by David Broda

Papphausen: A blog...

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Online Switching Puzzle | Online Rangierspiel

Objective:

Make 2 trains pass through on 1 railway. Blue train to right and yellow train to left.

Rules:

• There are 2 sidings
• Only 1 engine/car will fit on each siding
  • If there 2 engines/cars on the same siding, you cannnot turn the switch
• Engines are moved by dragging with the mouse
  • You cannot move cars without an engine
• Switches are turned by clicking near the the junction of mainline and siding
• Engines and cars are coupled by bringing into close contact
• Engines and cars are uncoupled by clicking on the white coupler
• You cannot couple from the front of the engine.

Hint: Start by disconnecting one of the locomotives and parking it in the opposite siding.

2 cars in each train

3 cars in each train

Scripts from <http://www.bekkoame.ne.jp/~ishmnn/java/>