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Helicopters with fly-by-wire systems allow a cyclic-style controller to be mounted to the side of the pilot seat. The cyclic is used to control the main rotor in order to change the helicopter's direction of movement. In a hover, the cyclic controls the movement of the helicopter forward, back, and laterally.
The critical rollover angle is 5°-8°. Once exceeded, main rotor thrust continues the roll, and recovery via cyclic control is impossible. [1] A helicopter is susceptible to a rolling tendency, called dynamic rollover, when close to the ground, especially when taking off or landing. For dynamic rollover to occur, some factor has to first cause ...
These two effects, combined with any aft cyclic by the pilot attempting to keep the aircraft level, can cause the rotor blades to blow back and contact the tail boom, in some cases severing it. The tail rotor is geared to the main rotor, so in many helicopters the loss of main rotor RPM also causes a significant loss of tail rotor thrust and a ...
In aeronautics, a swashplate is a mechanical device that translates input via the helicopter flight controls into motion of the main rotor blades. Because the main rotor blades are spinning, the swashplate is used to transmit three of the pilot's commands from the non-rotating fuselage to the rotating rotor hub and mainblades.
A U.S. Customs and Border Protection pilot was killed in a Monday helicopter crash near the southern border in California, authorities said. The Eurocopter AS35 helicopter went down around 10:15 a ...
San Diego County Fire told USA TODAY that the department received a report of a crashed helicopter at 11:19 a.m. PST Monday. The crash occurred near Round Potrero Road in San Diego County, California.
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Cyclic/collective pitch mixing (CCPM) is a control concept employed in collective pitch radio-controlled helicopters. [1] CCPM reduces mechanical complexity and increases precision of control of the helicopter rotor's swashplate. Unlike conventional systems in which a single actuator is responsible for a single axis, CCPM mechanisms allow ...