Ads
related to: high speed rotor balancing kit reviews pros and cons of 2008 wide glide
Search results
Results from the WOW.Com Content Network
NASA G2 flywheel. Flywheel energy storage (FES) works by accelerating a rotor to a very high speed and maintaining the energy in the system as rotational energy.When energy is extracted from the system, the flywheel's rotational speed is reduced as a consequence of the principle of conservation of energy; adding energy to the system correspondingly results in an increase in the speed of the ...
The Exec 162F is the latest in the Exec series of helicopters manufactured by RotorWay International. The RotorWay Scorpion design was updated with an aluminum tail and full fiberglass cockpit enclosure to become the Exec. [1]
A cycloidal drive or cycloidal speed reducer is a mechanism for reducing the speed of an input shaft by a certain ratio. Cycloidal speed reducers are capable of relatively high ratios in compact sizes with very low backlash. [1] The input shaft drives an eccentric bearing that in turn drives the cycloidal disc in an eccentric, cycloidal motion ...
The latter being required when the rotor has a high service speed, or critical application (see ISO 201940 for recommended balancing tolerance.) Hard- and soft-bearing machines can be automated to remove weight automatically, such as by drilling or milling, but hard-bearing machines are more robust and reliable.
Two-plane, or dynamic, balancing is necessary if the out-of-balance couple at speed needs to be balanced. The second plane used is in the opposite wheel. Two-plane, or dynamic, balancing of a locomotive wheel set is known as cross-balancing. [11] Cross-balancing was not recommended by the American Railway Association until 1931.
The two rotors are linked by a transmission that ensures the rotors are synchronized and do not hit each other, even during an engine failure. [ 2 ] Tandem-rotor designs achieve yaw by applying opposite left and right cyclic to each rotor, effectively pulling both ends of the helicopter in opposite directions.
In May 1983, a high school student at Bowie High School in Maryland won a grand prize at the 34th International Science and Engineering Fair in Albuquerque, New Mexico for the result of his research on wingtip devices to reduce drag. [17] [importance?] The same month, he filed a U.S. patent for "wingtip airfoils", published in 1986. [18 ...
A variable speed wind turbine is one which is specifically designed to operate over a wide range of rotor speeds. It is in direct contrast to fixed speed wind turbine where the rotor speed is approximately constant. The reason to vary the rotor speed is to capture the maximum aerodynamic power in the wind, as the wind speed varies.
Ads
related to: high speed rotor balancing kit reviews pros and cons of 2008 wide glide