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A train wheel or rail wheel is a type of wheel specially designed for use on railway tracks. The wheel acts as a rolling component, typically press fitted onto an axle and mounted directly on a railway carriage or locomotive , or indirectly on a bogie (in the UK), also called a truck (in North America).
Most train wheels have a conical taper of about 1 in 20 to enable the wheelset to follow curves with less chance of the wheel flanges coming in contact with the rail sides, and to reduce curve resistance. The rails generally slant inwards at 1 in 40, a lesser angle than the wheel cone.
A wheeltapper signing off after checking the wheels of a train at Budapest-Keleti railway station in 2014. He has placed his long hammer on the train's buffers. A wheeltapper is a railway worker employed to check the structural integrity of train wheels and that axle boxes are not overheating.
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Washington, who would have relayed news of any track shutdown to the workers, learned the men had entered an off-limits area only after the accident occurred. “You cannot go out there without my ...
A train derailment and bridge collapse Sunday spewed coal and mangled train cars across a highway near Pueblo, Colorado, trapping a semi-truck driver beneath the wreckage, the Colorado State ...
This format is now in place over 99% of the first-class main lines in Britain, although the CEN60 (60 kg/m) rail section was introduced in the UK during the 1990s. This has a wider rail foot and is taller than the 113A section so is incompatible with standard sleepers. Track renewal trains have now replaced labour-intensive permanent way gangs ...
Rail vehicle wheels are usually mounted on a solid axle, so they turn at the same speed.When a vehicle turns the outer wheel has to travel further than the inner wheel. On a road vehicle, this is usually achieved by allowing the wheels to move independently, and fixing the front wheels in an arrangement known as Ackermann steering geometry.