Definition & Betydelse | Engelska ordet PROPELLER

Definition av PROPELLER

1. propeller

Exempel på hur man kan använda PROPELLER i en mening

• Bombers had names starting with the letter "B"; single-syllable words denoted propeller driven aircraft (piston and turboprop engines), while two syllable words were used for jets.
• An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom.
• In an atmospheric context, specific impulse can include the contribution to impulse provided by the mass of external air that is accelerated by the engine, such as by fuel combustion or by external propeller.
• An extra turbine is added to drive a propeller (turboprop) or ducted fan (turbofan) to reduce fuel consumption (by increasing propulsive efficiency) at subsonic flight speeds.
• To ease production, the new design could be equipped with different propeller gearing systems and superchargers, allowing a single production line to build engines for various fighters and bombers.
• Underwater Thrusters, electric motor or hydraulic motor and propeller combined in single unit to propel the ROV, AUV or UUV.
• While other ships had been built of iron or equipped with a screw propeller, Great Britain was the first to combine these features in a large ocean-going ship.
• Senator John Heinz died while as a passenger in a Piper Aerostar propeller aircraft when it collided with a Bell 412 helicopter over the Merion Elementary School in the Merion air disaster.
• Its key holdings include a scale model of a Civil War-era Dahlgren gun, the propeller from the first radio-controlled, unmanned flight, and Norden bombsight.
• Steamships usually use the prefix designations of "PS" for paddle steamer or "SS" for screw steamer (using a propeller or screw).
• The smaller capacity engine was then boosted back to Jupiter power levels, while running at higher rpm and thus requiring a reduction gear for the propeller.
• Power was provided by four Rolls-Royce Proteus marine turboshaft engines each driving its own lift fan and pylon-mounted steerable propulsion propeller.
• John Stevens (inventor, born 1749) (1749–1838), American engineer who developed the multitubular boiler engine and the screw propeller.
• The Scorpion-class ships had two horizontal direct-acting steam engines, built by Lairds, each driving a single propeller shaft, using steam provided by four tubular boilers.
• The Fokker was the first service aircraft to be fitted with a machine gun synchronised to fire through the arc of the propeller without striking the blades.
• Using small propeller engine airplanes, the airline flies charter flights all around the Caribbean, and to The Bahamas as well.
• The Olympic-class ships were propelled by a combined system of two triple-expansion steam engines which powered the three-bladed outboard wing propellers whilst a low-pressure steam turbine used steam exhausted from the two reciprocating engines to power the central four-bladed propeller giving a maximum speed of 23 knots.
• Unlike a powerboat or motorboat that uses an external propeller in the water below or behind the boat, a jetboat draws the water from under the boat through an intake and into a pump-jet inside the boat, before expelling it through a nozzle at the stern.
• Two versions were tested, the complex Nomad I which used two propellers, each driven by the mechanically independent stages, and the Nomad II, using the turbo-compound principle, coupled the two parts to drive a single propeller.
• A synchronization gear (also known as a gun synchronizer or interrupter gear) was a device enabling a single-engine tractor configuration aircraft to fire its forward-firing armament through the arc of its spinning propeller without bullets striking the blades.

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