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Parts of a wheel. The basic parts of a wooden wheel are nave (or hub), spokes, felloes (felly) and tyre (tire). [3] [4] The nave is the central block of the wheel. In a wooden-spoked wheel, the nave acts as the hub. One end of each spoke is set into the nave in a process called tennoning. In older wheels, the nave had a 6-inch sleeve that fit ...
The front wheel from a racing bicycle. Bicycle wheel with wooden rim Nipples Spokes Cross-section of a rim A Shimano Dura-Ace freehub-style hub. A bicycle wheel is a wheel, most commonly a wire wheel, designed for a bicycle. A pair is often called a wheelset, especially in the context of ready built "off the shelf" performance-oriented wheels.
The wheel is dated to the late 2nd millennium BCE and was excavated at Choqa Zanbil. The remains of a pair of cart wheels with metal axle assembly. An ox-wagon in Aliwal North, South Africa. Note the three missing spokes and the metal tire. Wooden spoke wheel with metal rim from antique truck on display in Underground Atlanta.
Now give the object 4 wheels. The normal force between the 4 wheels and axles is the same (in total) 981 N. Assume, for wood, μ = 0.25, and say the wheel diameter is 1000 mm and axle diameter is 50 mm. So while the object still moves 10 m the sliding frictional surfaces only slide over each other a distance of 0.5 m.
This wheel design that came to be called artillery wheels was extensively used with artillery. [4] For example, this type of wheel was used on the pictured Armstrong gun , used in Japan in 1868. A similar design was used for a gun carriage for the US Army 's 3.2-inch gun in 1881, with a wheel diameter of 57 inches (1,448 mm), based on testing ...
Later, solid rubber tires were mounted on the rims of those wooden wheels. Some wooden automobile wheels had a demountable steel rim that was bolted onto the outer circumference of the wooden wheel. Wheels that were completely made of metal (single or multiple pieces) gradually became widespread around the 1930s. [23]