friction roller drive
71Drum Motor — A Drum Motor (sometimes referred to as a motorised pulley) is in simplistic terms a highly efficient geared motor drive enclosed within a steel shell providing a single component driving pulley for conveyor belts. Drum Motor with Planitory Gear …
72Fluid bearing — Fluid bearings are bearings which solely support the bearing s loads on a thin layer of liquid or gas.They can be broadly classified as fluid dynamic bearings, hydrostatic or gas bearings. They are frequently used in high load, high speed or high …
73bicycle — bicyclist, bicycler, n. /buy si keuhl, sik euhl, suy keuhl/, n., v., bicycled, bicycling. n. 1. a vehicle with two wheels in tandem, usually propelled by pedals connected to the rear wheel by a chain, and having handlebars for steering and a… …
74tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
75Chainsaw — For other uses, see Chainsaw (disambiguation). An arborist using a chainsaw to fell a eucalyptus tree A chainsaw (or chain saw) is a portable mechanical saw, powered by electricity, compressed air, hydraulic power, or most common …
76Fly system — Fly loft of the Theater Bielefeld in Germany A fly system, flying system or theatrical rigging system, is a system of lines (e.g. ropes), blocks (pulleys), counterweights and related devices within a theatre that enable a stage crew to quickly,… …
77HP DC100 — The DC100 tape format and drive was developed by Hewlett Packard and introduced as a data storage mechanism for the HP 9825 programmable calculator. The DC100 tape cartridge was a scaled down version of the DC300 cartridge pioneered by 3M, and… …
78Rotating locomotion in living systems — A passive wheel Rotating locomotion encompasses two distinct modes of …
79List of Railway Series books — A list of the Railway Series books by both the Rev. W. Awdry and his son Christopher. Contents 1 The Rev. W. Awdry Era: 1945 1972 1.1 The Three Railway Engines 1.2 Thomas the Tank Engine …
80Oxy-fuel welding and cutting — Oxyacetylene redirects here. For the song, see Cubanate. Side of metal, cut by oxygen propane cutting torch …
