This small circuit can be used to control model railway turnouts operated by AC voltages. A logic level in the range of 5–12 V can be used as the control signal. The coils of the turnout are switched ...
Knoxville, Tenn.-based Unitrac Railroad Materials, Inc., a specialty trackwork manufacturer and distributor of new and relay rail, said Thursday it has been awarded a contract by Mt. Vernon, ...
To study subway turnouts' adaptability to steep gradients, a finite element model of a metro No. 9 simple turnout was established. The main works include: (1) The train's most unfavourable loading ...
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