Grain Pipeline

A maglev grain pipeline consists of two conduits guiding an endless stream of long containers. One conduit carries loaded containers and the other empty returns. The containers are levitated by permanent magnets in repulsion and propelled by stationary linear induction motors. Container size and speed are elected to produce desired carrying capacity. Attractive as a profitable private enterprise.

US Patent 4, 024, 947

Small diameter at high speed can transport
100,000 tons/day
Helicopter installs elevated pipeline at rate of one mile (1.6 km) per day
US Patent 6,301,736