loading blade
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blade loading — The ratio of the all up weight of a helicopter to the total area of a rotor, excluding the disc area. It is the amount of the total weight each square foot of a helicopter rotor blade supports. Since blade area does not change, blade loading must … Aviation dictionary
blade twist — i. The undesirable variation in pitch from root to tip caused by aerodynamic loading. ii. The twist built into a propeller or rotor blade. In the case of a propeller, it is to ensure that the pitch angle at the root is greater than the tip. In… … Aviation dictionary
blade loading — noun : the gross weight of a rotary wing aircraft divided by the total area of the rotor blades … Useful english dictionary
Disk loading — The MV 22 Osprey tiltrotor has a relatively high disk loading, producing visible blade tip vortices from condensation of the marine air in this photo of a vertical takeoff … Wikipedia
open-tip turbine blade — A blade with no shroud attached to the tip. This blade can withstand a higher speed induced tip loading than the shrouded tip blade. Also called an open perimeter tip … Aviation dictionary
disc loading — The ratio of the all up weight of a helicopter to the maximum horsepower. It is denoted by pounds per horsepower (lb/hp). It is also the ratio of the gross weight of a helicopter to the total area of its rotor disc. See also blade loading … Aviation dictionary
Helicopter noise reduction — is a topic of research into designing helicopters which can be operated more quietly, reducing the public relations problems with night flying or expanding an airport. In addition, it is useful for military applications in which stealth is… … Wikipedia
Wind turbine design — An example of a wind turbine, this 3 bladed turbine is the classic design of modern wind turbines Wind turbines History Design … Wikipedia
Krag-Jørgensen — Infobox Weapon|is ranged=yes|name=Krag Jørgensen caption=Closeup of the Krag Jørgensen receiver and magazine door on a Norwegian M1912 Carbine origin=flagcountry|Norway type=Bolt action repeating rifle designer=O H J Krag and E Jørgensen design… … Wikipedia
Torque converter — A torque converter is a modified form of fluid coupling that is used to transfer rotating power from a , such as an internal combustion engine or electric motor, to a rotating driven load. Like a basic fluid coupling, the torque converter… … Wikipedia
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
