Unimodal Guide, Meaning , Facts, Information and Description
Unimodal or SkyTran is a proposal by Douglas Malewicki for a 160km/h (100mph) personal rapid transit system. Each car would be suspended from a magnetically-levitated bogie in an overhead track. The magnetic levitation system would be the passive "Inductrack" system using Halbach arrays, as developed by Physicist William Post at Lawrence Livermore Laboratories.The system as a whole is engineered to give comfort, safety and convenience superior to an automobile or bus for transporting people.
A key distinctive attribute of Unimodal is its focus on low cost and efficiency. The entire guideway network is made of modular steel components (no cement/concrete work except in planting the poles) which are mass produced in factories. Most other PRTs are mainly "cars on the elevated tracks" and therefore inherit some of the inefficiencies of cars.
The purpose of using magnetic levitation is to eliminate most of the maintenance. There are hardly any moving parts in the system and therefore there is very little wear and tear. That's why it is referred to as "solid state". The additional benefits are extremely low friction, smooth and noiseless travel.
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