Electromagnets, located at intervals throughout the tubes, would be activated by a pulse of electricity to propel Capsules through the tube. Magnets would also be employed to slow Capsules when required.
Simple Magnetic Propulsion is demonstrated in the following YouTube Video:
Improved performance magnetic propulsion:
In Krunchie's Cab system:
- Electromagnets are located at multiple intervals throughout every tube;
- The device that triggers an electromagnet is normally a speed-sensor. When this sensor notices that the speed of a passing capsule is lower than the circuit speed, it triggers its associated electromagnet to accelerate the capsule.
- At a cab-stop, the electromagnet that starts the capsule moving is activated when the user indicates he is ready to begin his journey.
- In an Accelerator Tube, electromagnets will accelerate the passing capsule to the speed specified for the circuit it is about to enter.
- In a Decelerator Tube, the electromagnets will decelerate the capsule to bring down to the speed of the circuit it is approaching, or to bring it to a stop at a cab-stop.
- On a down-slope in a route, where capsules are accelerated by gravity, electromagnets can be triggered to reduce the speed of capsules to the circuit speed.
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