Prior to the investigation, the Caravan received a new battery, starter, spark plugs, wires, distributor cap, rotor and tires. |
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The inner rotor portion of the pump is splined to one output on the axle and the outer drum portion of the pump is splined to the other. |
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The engines spooled down, because we had to shut them down in flight, to minimize the counterrotation induced by the torque on the rotor head. |
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The majority of squirrel cage induction motors employ an integrally cast aluminum rotor. |
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An alternator contains different components which include mainly the rotor and the stator. |
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This pump features a lobed rotor, which rotates within the walls of a stator seated within the pump housing. |
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In this scheme, one power stroke of the stator turns the rotor by half a segment. |
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Inside of the hub is a multi-phase, DC brushless motor, arranged so that the rotor surrounds and rotates around the center-mounted stator. |
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Thus the rotor half channels entering the stator play the same role as the permanent exit half channel in the stator of the proton motor. |
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The outer-rotor in-wheel motor, however, uses a hollow doughnut construction that locates the rotor outside the stator. |
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Stuart was said to be on the flight deck when he was hit by debris from the rotor blades of the helicopter. |
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One of the helicopter's rotor blades had smashed into the crag, showering the rescuers with fragments of rock. |
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The existing two-bladed, semi-rigid, teetering rotor system is replaced with a four-bladed, hingeless, bearingless rotor system. |
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We observed that in the spinning rotor water could be supercooled by several degrees below the freezing point. |
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Key components, including the rotor blades, gearboxes and rotor hubs, will be built at the company's British base. |
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Very many DC motors have built-in commutation, meaning that as the motor rotates, mechanical brushes automatically commutate coils on the rotor. |
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The twin rotor mechanism seems very accurate for scale and is contra-rotating, an unexpected bonus on a model. |
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I immediately changed the oil plugs, distributor cap, rotor arm, and friendly independent VW specialist fixed the exhaust. |
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The timing was checked by turning the engine by hand with the plugs out to see if the rotor turns. |
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The GA solution was dried in a rotor evaporator and then incubated under vacuum overnight in a reagent flask. |
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He is one of the foregoers of modern helicopter technology and sees an especially bright future for tilt rotor designs. |
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This moves an oscillating weight that drives a rotor via a tiny gear train. |
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The Chinooks are closest and I can see the moonlight glancing off their huge, drooping 30 ft rotor blades. |
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This pump is operated by aligning the rear cycle wheel with the mechanical pump wherein a rotor is provided for revolving the cycle wheel. |
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The motor itself has a skewed rotor like those found in inkjet printers which eliminates the detent torque that would coarsen the feel. |
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After climbing onto the stubwing and then the aft pylon, I went up to the aft rotor head to survey all that was mine. |
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Last year all 291 Sea Knights in US service were grounded after a crack was discovered in a rotor blade in one of them. |
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When he walks, the rotor of the dynamo rotates generating electricity and rechargeable batteries could be charged. |
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In each case, the helicopter descended into rotor downwash and entered what is commonly called the vortex ring state. |
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Once it had completed a full revolution, it would kick the middle rotor forward one position. |
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He shouted over the rotor noises of the helicopter as it lifted off from the site. |
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Once airborne the rear-mounted propeller pushes the craft along and the unpowered main rotor spins to give the craft lift. |
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A helicopter rotor operates in several different states and speeds, and therefore might by the most complicated airscrew of all. |
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But this action put tension on the parachute lanyard, allowing the rotor downwash to partly inflate the chute. |
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The five-bladed main rotor is fully composite, with a composite spar, multiple box structure and anhedral tipcaps. |
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A high-density coil transforms the magnetic charge generated by the rotor into electrical energy that powers the watch. |
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As I watched sheets of ice being thrown off our rotor blades, I realized how serious the icing had been. |
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The F series uses a proprietary neodymium-iron magnet rotor structure and skewed armature assembly to optimize machine torque and volume. |
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He barely dodged a humongous hammer that flew past him and destroyed the main rotor on one of the remaining helicopters. |
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You'll hear your rotor speeding up and slowing down, and the roar of missiles as they fly by you. |
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The rotor turns an attached generator, creating electricity with a simple elegance, carving energy from the sky. |
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A fearless reaper, it pivots on its tower to face the wind, propellerlike rotor already scything around, faster and faster. |
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I immediately changed the oil, plugs, distributor cap, rotor arm, and a friendly independent specialist fixed the exhaust. |
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The heavy impact damaged the rotor arm and though he carried on, Andrew was handicapped by a misfiring engine and could only struggle home sixth. |
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After 20 minutes he decided the problem was with the rotor arm, and fashioned some wire underneath it to solve the problem. |
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For example, if D hires a car to P and then removes the rotor arm from it rendering it inoperable, he may be guilty of criminal damage. |
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This time we had lost the rotor arm as well and Phil had to sprint back 100 yards to find it. |
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While Freestone had a good run on his first experience of the stage, they had a nightmare when a broken rotor arm cost them over two minutes. |
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The sample was then placed into a 7-mm Bruker MAS rotor and sealed with parafilm. |
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This could affect threshing efficiency since tailings are returned directly to a combine's rotor or cylinder for rethreshing. |
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The type of the rotor is detected in response to the output signal from the sensor. |
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In addition, the printed circuit board comprises a flat flexible support on which the conductor tracks run from the stator to the rotor. |
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The Lynx came down on its right-hand side, with the main rotor and tail sheared off by the impact and the cabin ablaze. |
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As we sped through 600 feet, the unmistakable sound of turboprops began to drown out our own aircraft's engine and rotor noise. |
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The helicopter's rotor blades began to spin, and before the rebels could even think of rescue, he had taken off. |
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Visible evidence pointed to the fact that the gearbox, together with the rotor head, had broken away from the fuselage mountings in flight. |
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The desert is very hard on aircraft, especially sensitive parts like rotor blades and air intakes. |
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The brake shoes were totally gone on one side and the drive back to Rosamond did the rotor in. |
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The centrifugal force that keeps the main rotor blades solidly rigid at 90 degrees to the hub will decay rapidly. |
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In the vaned impeller, the fluid undergoes an abrupt acceleration and change of direction as it enters the rotor. |
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An infinitely variable camshaft timing device has a control valve located in the rotor. |
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Three electrodes in the gyroscope housing can exert electric forces to support the rotor during spin-up, or in case a micrometeorite impacts on the satellite. |
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This vacuum gauge is operated with a rotor that spins at a constant speed. |
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The most likely cause is an abrupt or inappropriate movement of the helicopter's controls or the stalling of the main rotor blade due to icing on the engine carburetor. |
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It might have been tougher for Godfrey had the Cooper S of his competitors not lost nearly 10 minutes right at the start of the Radnor stage with a broken rotor arm. |
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According to early reports, the rotor blade of the helicopter hit the rugged vertical surface of a crevasse over a remote glacier in the northern part of the province. |
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I barely got unstrapped, turned off the rotor brake, and turned the head in time to prevent the truck from pranging the tip cap on a main-rotor blade. |
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So serious is this heat that it can distort a major APUS engine component, the rotor shaft, and cause significant damage. |
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Motorists who failed to immobilise their cars, by taking away the rotor arm from the distributor, were liable to find their tyres deflated by the police. |
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The motion of the rotor is clearly the slowest degree of freedom. |
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Although a helicopter has a main blade, rotating at 500 rpm above it, and a tail rotor that acts as a rudder, it remains a completely unstable machine. |
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Heat transfer from the conductor bars to the sheet steel laminations is excellent, minimizing local overheating within the rotor during a severe overload peak. |
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Conventional hydraulic brakes work by using a cylinder, which squeezes brake calipers together around the wheel's rotor when the brake petal is depressed. |
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The commutator must switch current to the correct drive magnets in the correct direction at the correct time in order to produce desired rotor movement. |
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There is a good chance your friend dished your rotor when he bent it back. |
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Then it recovers its investment by letting the sodium back in, so increasing entropy, and converting that change in entropy to free energy used to turn the rotor. |
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An angular interval between prescribed two of the at least three identification elements indicates a maximum allowable rotational speed of the rotor. |
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Because this is an extraction fan to exhaust the hot air from inside the central core, I glued a large metal washer to the rotor hub to hide the green PCB inside. |
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In yet another construction, an annular cylinder block supports a pair of opposed weighted lever arms and sample support bushings in tangential contact with a rotor surface. |
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The helicopters, which also have been used to deliver humanitarian aid to some inaccessible areas, were chosen partly because of their low rotor downwash. |
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The Dutch government report found that in 1976, two Dutch firms exported to Pakistan 6,200 unfinished rotor tubes made of superstrong maraging steel. |
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Rotational contributions were estimated in the semiclassical approximation for the free rotor considering both monomers and dimers as rigid molecules. |
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The helicopters have a common four-bladed, composite, hingeless, bearingless main rotor system and tail rotor, engine, avionics, software, controls and displays. |
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A helicopter's rotor is powered but a gyrocopter's rotor is passive. |
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To achieve this same increase using a larger rotor is usually a more expensive choice than placing a smaller rotor on a higher tower where it will receive stronger winds. |
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The magnetizing flux of a hybrid motor flows along the rotor axis, while the mechanism for rotor suspension is the same as that of the homopolar magnetic bearing. |
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Should they malfunction or prove insufficient to slow the rotor in high winds, a large disk brake mounted on the generator shaft can smoothly bring the turbine to a halt. |
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The rotor includes a plurality of pendulously mounted knife blades. |
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The rotor includes a ring magnetic mounted to an outer periphery thereof. |
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A self-propelled combine harvester includes a separation unit having at least one rotor housing, a sieve mechanism with sieve openings and a rotor rotatably mounted therein. |
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The gyroplane, which had both rotor blades and a propeller, had reached a height of no more than 20 ft after take-off when it started to nosedive. |
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A descent through your rotor wash creates swirling vortices that spoil lift, so the more power you add, the worse it gets, and the faster you fall. |
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With rotor spinning, the fibers in the roving are separated, thus opened, and then wrapped and twisted as the yarn is drawn out of the rotor cup. |
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The rotor material, like that of a common nail, will stay magnetized, but can also be demagnetized with little difficulty. |
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Windmill rotor blades today have airfoil cross-sections which reduce drag and increase the performance. |
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Optimized for rapid acceleration, these motors have a rotor that is constructed without any iron core. |
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Next he says a double rotor Chinook landed inside the compound. |
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During the right turn, the CH-53's rotor blades struck a Quonset hut that was on the left side of the aircraft. |
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The stator consists of a similar, but fixed, series of blades that serve to redirect the steam flow onto the next rotor stage. |
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A second arrangement has the rotor winding basket surrounding the stator magnets. |
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A single rotor has the disadvantage that controlling attitude requires cyclic pitch variation or deflection of the downwash. |
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The Series has a low-speed, three-knife open rotor design, with rotating end disks for low-heat granulation and reduced friction wear. |
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These tests included climbs, descents and autorotations and were designed to test the engine and rotor system in maximum stress conditions. |
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A resolver contains a rotor with one or two orthogonal primary windings and a stator with two orthogonal secondary windings. |
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According to a Quad Plus news release, liquid rheostats are commonly used to start and control large AC wound rotor motors for auto shredders. |
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Application of functional coatings with riblet structure will improve the drag to lift ratio of rotor blades significantly. |
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Rotary engines feature a unique construction, generating power through the rotational motion of a triangular rotor. |
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The Kiowa has a two-bladed semi-rigid seesaw all metal main rotor and a two-bladed rigid delta hinge all metal tail rotor. |
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The new rotor can be incorporated into new-build exchangers or quickly and easily retrofitted to existing Contherms. |
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The major difference between the two machines is due to the rotor and mixing chamber design. |
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But because there is no metal mass in the rotor to act as a heat sink, even small coreless motors must often be cooled by forced air. |
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On small motors, the commutator is usually permanently integrated into the rotor, so replacing it usually requires replacing the whole rotor. |
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After the tail rotor fell off, Robinson managed to keep the helicopter airborne for about a half-mile. |
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One of the predominant ways wind turbines have gained performance is by increasing rotor diameters, and thus blade length. |
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High pressure diecasting is the most economical process to form the squirrel cage of the induction motor rotor. |
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I could have settled the load onto the deck and hovered in ground effect to regain the lost rotor speed. |
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Other options include hydraulically operated side plates, upper conveyor cover, an auxiliary rotor drive and a high pressure washdown system. |
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Impact with the rotor, the breaker plate, and inter-particulate collision all contribute to comminution. |
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The rotor and stator have a combined reluctance-torque, low-loss magnetic circuit and full-range, full-digital vector control. |
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The magnets are arranged in a circle facing the rotor with space in between to form an axial air gap. |
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Parasitic eddy currents cannot form in the rotor as it is totally ironless, although iron rotors are laminated. |
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The three-vane rotor interrupts an infra-red signal that is transmitted by an integrated PCB and converted into a pulse by the SMD components. |
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Instead, torque comes from a slight misalignment of poles on the rotor with poles on the stator. |
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Its mechanical movement is equipped with a perpetual rotor and the parachrom hairspring pledges increases chronometric precision. |
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After a moment of communication, each of the copters starts its rotor and the craft rises into the air and hovers, maintaining its balance. |
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A turbine is a turbomachine with at least one moving part called a rotor assembly, which is a shaft or drum with blades attached. |
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In addition the aerodynamics of a wind turbine at the rotor surface exhibit phenomena that are rarely seen in other aerodynamic fields. |
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The rotor is connected to a transmission which is bolted to the airframe, and the turboshaft engine drives the transmission. |
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That way, the blade dampener can't hit your aircraft's anti-collision light when the rotor blades are angled. |
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To avoid such adverse conditions, Richard Mille took four years to develop the concept and the design of a rotor that declutches automatically. |
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Brownout clouds start up to 100 feet above the ground for the heaviest helicopters with the greatest rotor downwash. |
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A turbine rotor is also only capable of providing power when rotating in one direction. |
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As the launch commenced, rotor wash created a powdery sand brownout around the aircraft that obscured all ground references. |
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As each coil is energized in turn, the rotor aligns itself with the magnetic field produced by the energized field winding. |
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Sometimes an extra disc known as a balance piston has to be added inside the rotor. |
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Bird nests have been found in the opening of the AH-64 tail rotor and nestled underneath the cambered fairing of a Black Hawk. |
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Moving fluid acts on the blades so that they move and impart rotational energy to the rotor. |
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It found that the incident was the result of a failure of the third stage rotor of the engine's fan module. |
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The pressure of the gas or fluid changes as it passes through the turbine rotor blades. |
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Wind turbines use an airfoil to generate a reaction lift from the moving fluid and impart it to the rotor. |
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It has four rotor blades to ensure a smooth flight, which can prove particularly beneficial for patients suffering head or spinal injuries. |
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Tandem rotor helicopters are also in widespread use due to their greater payload capacity. |
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As the rotor turns, different windings will be energized, keeping the rotor turning. |
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By the end of the century, he had progressed to using sheets of tin for rotor blades and springs for power. |
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This was a teleprinter rotor cipher attachment codenamed Tunny at Bletchley Park. |
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Nicolas Florine, a Russian engineer, built the first twin tandem rotor machine to perform a free flight. |
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The rotor hub could also be tilted forward a few degrees, allowing the aircraft to move forward without a separate propeller to push or pull it. |
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Young, American inventor, started work on model helicopters in 1928 using converted electric hover motors to drive the rotor head. |
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This machine had a four blade rotor with flapping hinges but relied upon conventional airplane controls for pitch, roll and yaw. |
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At low speeds, the current induced in the squirrel cage is nearly at line frequency and tends to be in the outer parts of the rotor cage. |
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In a WRIM, the rotor winding is made of many turns of insulated wire and is connected to slip rings on the motor shaft. |
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Another approach was to tilt the tail stabiliser to deflect engine slipstream up through the rotor. |
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An external resistor or other control devices can be connected in the rotor circuit. |
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In an electric motor the moving part is the rotor which turns the shaft to deliver the mechanical power. |
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The rotor system, or more simply rotor, is the rotating part of a helicopter that generates lift. |
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At the top of the mast is the attachment point for the rotor blades called the hub. |
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Main rotor systems are classified according to how the rotor blades are attached and move relative to the hub. |
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This allows the power normally required to drive the tail rotor to be applied to the main rotors, increasing the aircraft's lifting capacity. |
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Tip jet designs let the rotor push itself through the air and avoid generating torque. |
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Special jet engines developed to drive the rotor from the rotor tips are referred to as tip jets. |
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The control is called the cyclic because it changes the pitch of the rotor blades cyclically. |
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The result is to tilt the rotor disk in a particular direction, resulting in the helicopter moving in that direction. |
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If the pilot pushes the cyclic forward, the rotor disk tilts forward, and the rotor produces a thrust in the forward direction. |
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Overtorque of the delta hinge bolt is reported to cause binding in the pitch change mechanism and failure of the tail rotor pitch change bearing. |
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The pedals mechanically change the pitch of the tail rotor altering the amount of thrust produced. |
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The throttle controls the power produced by the engine, which is connected to the rotor by a fixed ratio transmission. |
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In magnetic motors, magnetic fields are formed in both the rotor and the stator. |
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When the helicopter is hovering, the outer tips of the rotor travel at a speed determined by the length of the blade and the rotational speed. |
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The airspeed of the advancing rotor blade is much higher than that of the helicopter itself. |
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To reduce vibration, all helicopters have rotor adjustments for height and weight. |
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One type of synchronous motor is like an induction motor except the rotor is excited by a DC field. |
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When the trailing vortices colliding with the tail rotor are rotating in the same direction, this causes a loss of thrust from the tail rotor. |
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When the trailing vortices rotate in the opposite direction of the tail rotor, thrust is increased. |
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These issues are due to the exposed tail rotor cutting through open air around rear of the vehicle. |
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In December 2010 Vestas were developing the V164 7 MW offshore turbine, with a 164 m rotor diameter. |
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When rotor goes to autorotation, an inclined alpha hinge provides automatic change of blade pitch to three degrees as the shaft stops rotating. |
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The rotor poles connect to each other and move at the same speed hence the name synchronous motor. |
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In addition, the action of the rotor creates bubble shear, giving rise to a broader swarm of smaller bubbles over a wider area, which increases surface-area-to-volume ratio. |
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So during the day the air below the cloth heats up and rises through the chimney and drives rotor blades inside and also helps rotate the farmscraper gardens. |
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Distortion of the engine structure has to be controlled with suitable mount locations to maintain acceptable rotor and seal clearances and prevent rubbing. |
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The rotor thrust on a thrust bearing is not related to the engine thrust. |
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The rotor usually has conductors laid into it which carry currents that interact with the magnetic field of the stator to generate the forces that turn the shaft. |
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Currents induced into this winding provide the rotor magnetic field. |
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Sparks are created by the brushes making and breaking circuits through the rotor coils as the brushes cross the insulating gaps between commutator sections. |
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Furthermore, the inductance of the rotor coils causes the voltage across each to rise when its circuit is opened, increasing the sparking of the brushes. |
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A PM motor does not have a field winding on the stator frame, instead relying on PMs to provide the magnetic field against which the rotor field interacts to produce torque. |
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The SRM has no brushes or PMs, and the rotor has no electric currents. |
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The rotor aligns itself with the magnetic field of the stator, while the stator field windings are sequentially energized to rotate the stator field. |
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An induction motor is an asynchronous AC motor where power is transferred to the rotor by electromagnetic induction, much like transformer action. |
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Motor speed can be changed because the torque curve of the motor is effectively modified by the amount of resistance connected to the rotor circuit. |
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If the resistance connected to the rotor is increased beyond the point where the maximum torque occurs at zero speed, the torque will be further reduced. |
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A torque motor is a specialized form of electric motor which can operate indefinitely while stalled, that is, with the rotor blocked from turning, without incurring damage. |
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Slip rings and brushes are used to conduct current to the rotor. |
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In that design, the rotor fits inside a magnetically soft cylinder that can serve as the housing for the motor, and likewise provides a return path for the flux. |
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Metal brushes and a flat commutator switch power to the rotor coils. |
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Depending on the sequence, the rotor may turn forwards or backwards, and it may change direction, stop, speed up or slow down arbitrarily at any time. |
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A hybrid system that uses a spinning composite rotor to store energy, these flywheels help a vehicle save fuel and ultimately reduce its CO2 emissions. |
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However, for large wind farms distances of about 15 rotor diameters should be more economically optimal, taking into account typical wind turbine and land costs. |
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Impulse turbines do not require a pressure casement around the rotor since the fluid jet is created by the nozzle prior to reaching the blades on the rotor. |
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His notes suggested that he built small flying models, but there were no indications for any provision to stop the rotor from making the craft rotate. |
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In 1908, Edison patented his own design for a helicopter powered by a gasoline engine with box kites attached to a mast by cables for a rotor, but it never flew. |
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It was based upon an Avro 504K fuselage, initial rotation of the rotor was achieved by the rapid uncoiling of a rope passed around stops on the undersides of the blades. |
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A major problem with the autogyro was driving the rotor before takeoff. |
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The rotor clutch was then disengaged before the takeoff run. |
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After experimenting with configurations to counteract the torque produced by the single main rotor, Sikorsky settled on a single, smaller rotor mounted on the tail boom. |
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If the pilot pushes the cyclic to the side, the rotor disk tilts to that side and produces thrust in that direction, causing the helicopter to hover sideways. |
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The purpose of the throttle is to maintain enough engine power to keep the rotor RPM within allowable limits so that the rotor produces enough lift for flight. |
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For a standard helicopter with a single main rotor, the tips of the main rotor blades produce a vortex ring in the air, which is a spiraling and circularly rotating airflow. |
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It consists in a phosphorely in which phosphorylation of CheY by CheA results in the interaction of CheY with the flagellar rotor and changes in flagella rotation. |
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Until the acceptance of rotor spinning wheel, all yarns were produced by aligning fibres through drawing techniques and then twisting the fiber together. |
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Since the cellulose fibers had to be disentangled in order to be fed into the agglomerator, the cellulose sheets were ground in a grinding machine with a rotor and a stator. |
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The aim of this study is to analyse the dynamic behaviour of the rotor of the three-phase generator with one pole pair, in dependence on the rotor angular frequency. |
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The Mi-28N differs from the Mi-28A in having a mast-mounted Phazotron Arbalet millimetre-wave radar, improved main rotor blades and a new gearbox. |
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While a normal four-cycle piston engine needs four cycles to facilitate two turns of the crankshaft, rotary engines achieve all four cycles with only one turn of the rotor. |
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While we waited for the hand signal to pull chocks and chains, I noticed someone outside the rotor arc pointing at the tail section of the aircraft. |
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The low-speed rotor transmits high cutting torque for tough applications. |
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This adjustable extruder system features screw threads in the rotor and barrel that plastify and mix rubber for a wide range of compounds, according to the literature. |
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Another display CTB boasted of a bi-directional self-winding hand motion rotor movement and was available in gold and stainless steel with chambered sapphire on both sides. |
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The distance between the rotor and stator is called the air gap. |
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The sinusoidal rotor design of MasoSine SPS pumps delivers a low shear, gentle pumping action that transfers delicate products safely without risk of degradation. |
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The horizontal rotor Express 4 Centrifuge provides a flat line separation for gel tubes in only three minutes, making it the instrument of choice for chemistry labs. |
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In addition to the helix angles, the specific rotor wing geometries in the wing tip region were selected to further promote the above described flow patterns. |
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Brownouts, for example, occur frequently in desert environments when rotor downwash kicks up sand and dust into blinding clouds enveloping the aircraft. |
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The root of the failure was a magnetic particle found on the chip detector of the part of the main rotor gearbox known as the second stage planet gear. |
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Centrifugation is required at high speeds during the elution step, where consequently the lids of the tubes shear off, creating tiny projectiles within the rotor. |
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Studies have shown significant intertwinement of the economic prospects and the durability and reliability of the composite materials used for manufacturing rotor blades. |
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The idea was to remove the fuselage, essentially have a flying wing, and put a rotor on each corner, each falling outside the boundaries of the airframe. |
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