The compound coaxial offset system requires us to have a fully rigid rotor
system," he said.
Inayat-Hussain  studied the nonlinear dynamics of a magnetically supported rigid rotor
in auxiliary bearings.
Sikorsky proved the efficiency of the rigid rotor
co-axial design in 2010 when its 6,000-lb.
The moment of inertia of the associated band was found to be close to that of a rigid rotor
with a 2:1 axis rotation.
The initiator of that concept was Abe Karem, now CEO of Karem Aircraft, the system being based on a hingeless rigid rotor
with variable rotational speed, which is trimmed according to the flight situation.
This paper deals with the balancing of a rigid rotor
supported by hydrodynamic journal bearings by using plane separation technique and artificial neural networks.
counter-rotating, all-composite rigid rotor
The two-bladed rotor, although in better shape dynamically than a single-bladed rotor, must accept very high cyclic loading if a rigid rotor
hub system is employed or provide a so called teeter bearing to allow the rotor blade to rock (as a pair) to alleviate blade, drive train and tower head loading.
Written by a University of Washington professor, this undergraduate chemistry textbook explores the particle in a box, the harmonic oscillator, the rigid rotor
, and the hydrogen atom in depth.
However, in the particular case of molecular hydrogen and deuterium gas, one can perform this calculation in the rigid rotor
Russo, "Non-linear stability analysis of a rigid rotor
on tilting pad journal bearings," Tribology International, vol.
In the rigid rotor
, the energies of the yrast states are: