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As "Power" was released before the Grammy cutoff date of August, it was the only work by West eligible for Grammy consideration that year, with the rest of the album eligible the following year. [42] The track was nominated for Best Rap Performance at the 53rd Grammy Awards, being West's only Grammy nomination that year. [42]
A track circuit typically has power applied to each rail and a relay coil wired across them. When no train is present, the relay is energised by the current flowing from the power source through the rails. When a train is present, its axles short the rails together. The current to the track relay coil drops, and it is de-energised.
The web server/controller is similar to a DCC decoder in hardware and cost. The great advantage occurs on the client side where the "throttle" can be any WiFi device with a web browser. DWiC can run on DC, AC or DCC track power or a battery. The DWiC controller has a web page loaded on board tailored to the particular "item" - loco, accessory etc.
A half-track is a civilian or military vehicle with regular wheels at the front for steering and continuous tracks at the back to propel the vehicle and carry most of the load. The purpose of this combination is to produce a vehicle with the cross-country capabilities of a tank and the handling of a wheeled vehicle.
Track surface or car performance affected by high/low temperature or humidity −1 second Mildly moist (MM) / Damp (D) Track surface slightly damp with some dry patches after light rain or drizzle −2 seconds Moist (M) Track surface slightly wet due to shower of rain −3 seconds Wet (W) / Melted snow (MS)
Power is supplied to moving trains with a (nearly) continuous conductor running along the track that usually takes one of two forms: an overhead line, suspended from poles or towers along the track or from structure or tunnel ceilings and contacted by a pantograph, or a third rail mounted at track level and contacted by a sliding "pickup shoe ...
Modern systems, called ground-level power supply, use a segmented rail flush with the surface of the road instead of a conduit, and the rail segments are only powered when an appropriate vehicle is over them. Alstom APS was the first modern commercial ground-level power supply system, first installed commercially in Bordeaux.
In the foreground is the third rail for the adjacent track. A third rail, also known as a live rail, electric rail or conductor rail, is a method of providing electric power to a railway locomotive or train, through a semi-continuous rigid conductor placed alongside or between the rails of a railway track.