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In aeronautics, air brakes or speed brakes are a type of flight control surface used on an aircraft to increase the drag on the aircraft. [1] When extended into the airstream, air brakes cause an increase in the drag on the aircraft. When not in use, they conform to the local streamlined profile of the aircraft in order to help minimize drag. [2]
Like the other new GPS signals, M-code is dependent on OCX—specifically Block 2—which was scheduled to enter service in October 2016, [42] [46] but which was delayed until 2022, [47] and that initial date did not reflect the two year first satellite launch delays expected by the GAO. [48] [49] Other M-code characteristics are:
This gearbox then had a 2-speed powershift section added after the dry clutch and before the 6-speed gearbox. This resulted in 36 forward gears (2×6×3) and 12 reverse (2×6×1). Following this the 2-speed powershift section was changed to 3-speed version. Giving 54 forward gears (3×6×3) and 18 reverse gears (3×6×1)
Truck air-actuated disc brake. An air brake or, more formally, a compressed-air-brake system, is a type of friction brake for vehicles in which compressed air pressing on a piston is used to both release the parking/emergency brakes in order to move the vehicle, and also to apply pressure to the brake pads or brake shoes to slow and stop the vehicle.
A comparatively simple brake linkage. In the air brake's simplest form, called the straight air system, compressed air pushes on a piston in a cylinder. The piston is connected through mechanical linkage to brake shoes that can rub on the train wheels, using the resulting friction to slow the train.
US 2140752 Brake. La Brie 1938-12-20; US 2084216 V-type brake for motor vehicles. Poage Robert A. and Poage Marlin Z. 1937-06-15; US 2028488 Brake. Avery William Leicester 1936-02-21; US 1959049 Friction Brake. Buus Niels Peter Valdemar 1934-05-15; US 1954534 Brake. Norton Raymond J 1934-04-10; US 1721370 Brake for use on vehicles. Boughton ...
AD 47 was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Claudius and Vitellius (or, less ...
Exhaust brakes are simpler in operation than an engine brake.Essentially, the exhaust pipe of the vehicle is restricted by a valve.This raises the pressure in the exhaust system, forcing the engine to work harder on the exhaust stroke of its cylinders, so again the engine is acting as an air compressor, with the power required to compress the air being withheld from the exhaust pipe, retarding ...