What is the best energy source for the rc helicopter gyro store? Two variants of the turbine or reciprocating engine. Turbomachines the same basic structure of the jet engine, but the energy of the expanding gases may be used to drive a turbine to produce thrust position. The engine is equipped with gear that causes the main rotor of a helicopter transfer. Also controls the piston engine, the output shaft of the main rotor transmission, but these machines are traditionally considered less reliable.
To understand where we can see the drawings by helicopter when they first appear. Product helicopter aircraft piston engine and installed on their helicopters. However, these engines are not powerful enough to levitate. For more power, the motor operates at a higher speed and thus the reliability immediately. Once the Lycoming O-360 lower TBT was built from 2000 hours to 1600 hours for RC helicopter brushless motor engines. This piston engine powered reputation for reliability.
In 1979, Frank Robinson R22 took tandem. His idea was a lot of helicopter descends to reduce the energy required. For example, the ring system T-bar and weighs less easily than traditional dual control. Then he took the Lycoming O-320 engine reliability and reduces the speed and capacity of 160-124 maximum exploration 2700-2652. So Lycoming TBO 2000 hours was approved for fixed wing. He did the same thing with the R44, Lycoming O-540 engine. The engine was reliable Lycoming MSW increased to 2,200 hours for the two helicopters fuselages of this plant is installed in the engine itself MSW in planes. Accident data NTSB ensures the reliability of energy reduction achieved several engines.
Even with significantly improved reliability, piston engines suffer from low power to weight. Thus, for helicopters over 2500 pounds gross weight, the direction of the turbine. It is compact, lightweight and has a simple design, offering exceptional reliability. Perhaps the most important feature is the high power to weight ratio. This makes Turbomeca is the only option for large electronic speed controller design and two engines. However, the disadvantage of these engines is to provide the high costs of operation and maintenance.
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2012年12月11日星期二
2012年12月7日星期五
Photo flights and tail rotors rc helicopter carbon fiber blades
Reduces the amount of a helicopter and scrolling effect of the soil, is an ideal platform flow right video production photos is CES operations in June of any security solutions requires careful understanding of the text in trouble maneuvering speed low helicopter involved. To the east of CES limiting areas to understand the tail rotor of the helicopter variety.
Older models Jetrangers Bell 206B.RC helicopter gyro The tail rotor is designed with a low profile asymmetric tear is more sensitive it is known as the efficiency of the rotor losses queue (LTE) Circular FAA AC90-95, each maneuver, the pilot Way June performance, the environment is typically at a rate lower left OR the environment wind up back here OR make right turn LTE unexpected. This Estaussi June Recommended susceptibility to start turning right on LTE and the phenomenon can lead to degrees of divers all helicopters considerably lower rate of a rotor of 30 knots.
On the other light helicopters Now the interest is very popular spill photos flying Robinson R44. Frank Robinson is an expert A rotor and tail rotor turn R44. It is not very effective with asymmetric rotor profile R44 strong east and turns, although a lot that are less susceptible Drivers LTE is particularly wary of the high gross weight and height of the blades a year rc helicopter carbon fiber blades.
Robinson Helicopter to the next sentence (SN-34) in March 1999, en titled "Images - Flight problems of students brave" described a helicopter pilot to descend below fri 30 knots go away, try Boatswain helicopter.
"The helicopter can quickly lose transition crossing, and you can decide," he said. "An inexperienced driver can stop the collectively pour augmenter origin. This will help accelerate the success type of available energy, which causes the rate of decline, and a big loss in minutes June. Impulse tail rotor is proportional to the speed shutter, go lower flow rate of 80 cents terminé environmental, steering link Half lost duty helicopter propeller and nose. regrets June rate products rotor helicopter strike and the tomb soon after the return. "Photo Security recommends that only well-trained, experienced drivers to be.
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