• In rotordynamics, the rigid rotor is a mechanical model of rotating systems. An arbitrary rigid rotor is a 3-dimensional rigid object, such as a top. To...
    35 KB (6,088 words) - 20:23, 24 August 2024
  • Thumbnail for Helicopter rotor
    On a helicopter, the main rotor or rotor system is the combination of several rotary wings (rotor blades) with a control system, that generates the aerodynamic...
    56 KB (6,871 words) - 00:26, 11 November 2024
  • Thumbnail for Rigid body
    and nuclei) are often seen as rigid bodies (see classification of molecules as rigid rotors). The position of a rigid body is the position[broken anchor]...
    23 KB (3,291 words) - 16:47, 9 October 2024
  • Thumbnail for Rotorhead
    The rotor hub is also where the centre of gravity acts on the helicopter. Rotorheads can be classified into 3 main types: Articulated Semi-Rigid Rigid An...
    2 KB (268 words) - 07:21, 8 August 2024
  • holds the samples Rigid rotor, a mathematical model for rotating systems (usually molecules) Rotor syndrome, a rare liver disorder Rotor (mathematics), an...
    2 KB (361 words) - 06:25, 10 November 2024
  • ^{2}}{\partial z^{2}}}+{\frac {m\omega ^{2}}{2}}z^{2}\right)\end{aligned}}} For a rigid rotor—i.e., system of particles which can rotate freely about any axes, not...
    27 KB (4,903 words) - 04:26, 29 August 2024
  • Thumbnail for Filper Research Beta
    Filper Research Beta (category Tandem rotor helicopters)
    The Filper Research Models Beta 200 and Beta 400 were small tandem, rigid rotor, helicopters intended for the personal helicopter market. Filper Research...
    18 KB (2,460 words) - 13:39, 13 August 2024
  • Thumbnail for Lockheed AH-56 Cheyenne
    Lockheed AH-56 Cheyenne (category Rigid rotor helicopters)
    attack helicopter. Lockheed designed the Cheyenne using a four-blade rigid-rotor system and configured the aircraft as a compound helicopter with low-mounted...
    36 KB (4,588 words) - 01:45, 9 November 2024
  • Thumbnail for Lockheed XH-51
    Lockheed XH-51 (category Rigid rotor helicopters)
    single-engine experimental helicopter designed by Lockheed Aircraft, utilizing a rigid rotor and retractable skid landing gear. The XH-51 was selected as the test...
    10 KB (1,018 words) - 01:45, 9 November 2024
  • Thumbnail for Lockheed CL-475
    Lockheed CL-475 (category Rigid rotor helicopters)
    developed by Lockheed to explore rigid rotor technology. The CL-475 has a three-bladed main rotor and a two-bladed tail rotor. Only one was built. In 1958...
    8 KB (634 words) - 01:42, 9 November 2024
  • Thumbnail for Rotational spectroscopy
    Rotational spectroscopy (category Rigid bodies mechanics)
    energies are derived theoretically by considering the molecules to be rigid rotors and then applying extra terms to account for centrifugal distortion,...
    51 KB (7,154 words) - 19:22, 3 May 2024
  • Euler angles Dzhanibekov effect Moment of inertia Poinsot's ellipsoid Rigid rotor Hitchin, Nigel J.; Segal, Graeme B.; Ward, Richard S.; Segal, G. B.;...
    9 KB (1,476 words) - 04:04, 2 November 2024
  • Thumbnail for Kellett XR-8
    blade from each rotor had collided while the aircraft was in flight. The Air Force therefore ordered Kellett to design a new, rigid rotor system for the...
    7 KB (813 words) - 21:34, 18 May 2024
  • Thumbnail for Rigid body dynamics
    Lagrangian mechanics Lagrangian Hamiltonian mechanics Rigid body Rigid transformation Rigid rotor Soft-body dynamics Multibody system Polhode Herpolhode...
    42 KB (5,761 words) - 00:54, 16 October 2024
  • Thumbnail for Platt-LePage XR-1
    Platt-LePage XR-1 (category Rigid rotor helicopters)
    known by the company designation PL-3, is an early American transverse rotors helicopter, built by the Platt-LePage Aircraft Company of Eddystone, Pennsylvania...
    18 KB (1,997 words) - 02:54, 14 September 2024
  • Thumbnail for MBB/Kawasaki BK 117
    into certain areas of the design. MBB utilised their expertise with the rigid rotor system used on the earlier Bo 105 to develop the majority of the dynamic...
    42 KB (3,844 words) - 00:48, 8 September 2024
  • Thumbnail for Electric motor
    the armature on the rotor, but these may be reversed. The rotor is the moving part that delivers the mechanical power. The rotor typically holds conductors...
    118 KB (13,082 words) - 06:23, 19 October 2024
  • rigid rotor system; the blades are rigidly fixed to the rotor hub but made of a flexible material that allows some degree of flap. Semi-rigid rotor systems...
    7 KB (882 words) - 19:10, 15 April 2024
  • electron in an atom, electronic spin, and the angular momentum of a rigid rotor. In all cases, the three operators satisfy the following commutation...
    21 KB (4,699 words) - 21:23, 26 September 2024
  • unit length optical power of a lens, in optics rotational constant of a rigid rotor, in quantum mechanics wavenumber, or magnitude of a wavevector, in spectroscopy...
    3 KB (409 words) - 03:25, 4 September 2024
  • Thumbnail for Stark effect
    molecules). In first approximation a molecule may be seen as a rigid rotor. A symmetric top rigid rotor has the unperturbed eigenstates | J K M ⟩ = ( D M K J )...
    18 KB (2,747 words) - 22:51, 1 November 2024
  • Thumbnail for RotorWay Scorpion
    RotorWay RW133 4-cylinder horizontally opposed liquid-cooled piston engine, 133 hp (99 kW) Main rotor area: 452 sq ft (42.1 m2) two blade semi-rigid rotor...
    5 KB (546 words) - 03:18, 14 September 2024
  • Thumbnail for Bell UH-1 Iroquois
    Bell UH-1 Iroquois (category Single-rotor helicopters)
    This combined reduction results in 324 rpm at the main rotor. The two-bladed, semi-rigid rotor design, with pre-coned and underslung blades,: 129  is...
    104 KB (11,267 words) - 02:29, 11 November 2024
  • Thumbnail for Spin isomers of hydrogen
    releases enough energy to cause significant loss by boiling. Applying the rigid rotor approximation, the energies and degeneracies of the rotational states...
    27 KB (3,309 words) - 00:37, 16 July 2024
  • explanation of this process). Flywheel List of energy storage projects Rigid rotor Rotational spectroscopy Resnick, R. and Halliday, D. (1966) PHYSICS,...
    3 KB (416 words) - 11:31, 23 October 2023
  • Thumbnail for Bell 212
    Bell 212 (category Single-rotor helicopters)
    variant of AB.212 Bell Model 412 - Bell 212 with a four-bladed semi-rigid rotor system. Eagle Single - Bell 212 converted to a single-engine configuration...
    18 KB (1,512 words) - 02:30, 11 November 2024
  • angular velocity vector ω {\displaystyle {\boldsymbol {\omega }}} of the rigid rotor is not constant, but satisfies Euler's equations. The conservation of...
    13 KB (2,090 words) - 02:12, 18 October 2023
  • the atom. An example of the second situation is a rigid rotor moving in field-free space. A rigid rotor has a well-defined, time-independent, angular momentum...
    17 KB (2,228 words) - 20:09, 21 February 2024
  • Thumbnail for Angular momentum
    momentum) Pauli–Lubanski pseudovector Relativistic angular momentum Rigid rotor Rotational energy Specific relative angular momentum Yrast "Soaring Science:...
    93 KB (13,465 words) - 20:57, 23 October 2024
  • Thumbnail for Aérospatiale Gazelle
    Aérospatiale Gazelle (category Single-rotor helicopters)
    requirements from the onset of development and the use of a semi-rigid composite rotor system, the latter having required considerable development time...
    83 KB (8,840 words) - 04:42, 8 November 2024