rigid helicopter
1Helicopter rotor — This article is about helicopter main rotor systems. For antitorque control, see tail rotor. Helicopter rotor The rotor head of a Sikorsky S 92 A helicopter main rotor or rotor system is a type of fan that is used to generate both the aerodynamic …
2Helicopter bucket — Part of a series on Wildland Firefighting Main articles Wildfire · Bushfires · Wildfir …
3Rigid-hulled inflatable boat — A rigid inflatable boat (RIB) or rigid hulled inflatable boat, (RHIB) is a light weight but high performance and high capacity boat constructed with a solid, shaped hull and flexible tubes at the gunwale. The design is stable and seaworthy. The… …
4rigid — rigidity, rigidness, n. rigidly, adv. /rij id/, adj. 1. stiff or unyielding; not pliant or flexible; hard: a rigid strip of metal. 2. firmly fixed or set. 3. inflexible, strict, or severe: a rigid disciplinarian; rigid rules of social behavior. 4 …
5rigid — /ˈrɪdʒəd / (say rijuhd) adjective 1. stiff or unyielding; not pliant or flexible; hard. 2. firmly fixed, set, or not moving. 3. inflexible, strict, or severe: a rigid discipline; a rigid disciplinarian. 4. rigorously strict regarding opinion or… …
6rigid rotor — A rotor head that allows the blades freedom to feather but not to flap or lead lag. The rotor head has to absorb all the forces generated during flight maneuvers. Control loads in this type of rotor head are high; however, this type imparts the… …
7Lockheed AH-56 Cheyenne — AH 56 Cheyenne AH 56 Cheyenne during testing Role At …
8Aircraft — An aircraft is a vehicle which is able to fly through the Earth s atmosphere or through any other atmosphere. Rocket vehicles are not aircraft if they are not supported by the surrounding air. All the human activity which surrounds aircraft is… …
9Airship — For other uses, see Airship (disambiguation). Dirigible redirects here. For the 1931 film, see Dirigible (film). Not to be confused with Balloon (aircraft) or Blimp. Airship …
10Lockheed XH-51 — infobox Aircraft name = XH 51 type = Helicopter, compound helicopter manufacturer = Lockheed caption = XH 51A following its conversion into a compound rotorcraft testbed designer = first flight = 2 November 1962 introduced = retired = status =… …
