mechanical wheel wear
11Bicycle wheel — For the Marcel Duchamp installation, see Bicycle Wheel. The front wheel from a racing bicycle made using a Mavic rim …
12Steering wheel — This article is about steering wheels in cars. For the use in vessels, see Steering wheel (ship). A modern road car s steering wheel (Alfa Romeo Giulietta (2010)) …
13Envelope (mechanical engineering) — In mechanical engineering, an envelope is a solid representing all positions which may be occupied by an object during its normal range of motion.Another (jargon) word for this is a flop.Wheel envelopeIn automobile design, a wheel envelope may be …
14Precession (mechanical) — Precession is the name given to the process of one part rotating with respect to another due to fretting between the two. It is described as precession, in which a round object rolling in a circular ring in one direction will itself turn in the… …
15Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …
16British Rail Class 143 — Pacer A First Great Western Class 143 Pacer No. 143617 at Exeter TMD, opposite Exeter St. Davids Station. This was the first one to be refurbished for First Great Western …
17British Rail Class 142 — Pacer Northern Rail Class 142 No. 142041 at Castleton …
18Milwaukee Road class EP-3 — Power type Electric Builder Baldwin Locomotive Works / Westinghouse Build date 1919 Total produced 10 …
19Typewriter — Mechanical desktop typewriters, such as this Underwood Five, were long time standards of government agencies, newsrooms, and offices …
20Bicycle brake — Animation of a single pivot side pull calliper brake for the rear wheel of a steel framed road bike. A bicycle brake is used to slow down or stop a bicycle. There have been various types of brake used throughout history, and several are still in… …
