reverse braking

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• reverse/reversible pitch propeller — A propeller whose blade pitch can be reversed beyond zero, enabling it to exert a braking effect. This feature is used after touchdown and during ground maneuvering. Also called a braking propeller. See reverse pitch …   Aviation dictionary

• braking propeller — A propeller in which propeller pitch can be reversed quickly through zero pitch, enabling the propellers to exert a braking effect. This quality is used after touchdown and in ground maneuvering. Now commonly referred to as a reverse pitch… …   Aviation dictionary

• aerodynamic braking — Decelerating an aircraft by using means other than wheel brakes. The aerodynamic braking can be done by one or more of the following methods: i. Keeping the nose of the aircraft high with the nosewheel off the ground. This technique is normally… …   Aviation dictionary

• Flip-flop hub — Flip flop hubs, also called double sided hubs, are rear bicycle hubs that are threaded to accept cogs and/or freewheels on both sides. There are several different types of flip flop hubs available for different applications. Their main purpose is …   Wikipedia

• Bond Minicar — Infobox Automobile name = Bond Minicar manufacturer = Bond Cars Ltd assembly=Preston, Lancashire, England production = 1949 – 1966 predecessor = successor = Bond 875 body style = engine = 122 cc Single cylinder 2 stroke 1948 1950 197 cc Single… …   Wikipedia

• Tram controls — The following article describes the controls on electric, rather than steam trams.OverviewThe operation of trams is relatively simple. As trams run on rails, they do not require steering controls. However they do require controls for the smooth… …   Wikipedia

• Manual transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …   Wikipedia

• Hybrid Synergy Drive — Hybrid Synergy Drive, (HSD) is a set of hybrid car technologies developed by Toyota and used in the company s Prius, Highlander Hybrid, Camry Hybrid, Lexus RX 400h, Lexus GS 450h, and Lexus LS 600h/LS 600hL automobiles. It is also used in the… …   Wikipedia

• Fixed-gear bicycle — A fixed gear bicycle or fixed wheel bicycle, is a bicycle without the ability to coast. The sprocket is screwed directly on to the hub and there is no freewheel mechanism. A reverse thread lockring is usually fitted to prevent the sprocket from… …   Wikipedia

• Tricycle — For other uses, see Tricycle (disambiguation). A tricycle (often abbreviated to trike) is a three wheeled vehicle. While tricycles are often associated with the small three wheeled vehicles used by pre school age children, they are also used by… …   Wikipedia

• Bicycle brake systems — are used to slow down, or brake a bicycle. There have been various types through history, and several are still in use today.HistoryEarly bicycles such as the high wheeled penny farthing bikes were fitted with spoon brakes. As they were fixed… …   Wikipedia