EXPFRIMENTAL INVESTIGATION OF CONTRA-ROTATING MULTI-ROTOR UAV PROPELLER NOISE

Kingan, Michael / Go, Robin / McKay, Ryan | TIBKAT | 2020

MACHINERY SPACE - Big order for new Contaz contra-rotating propeller thrusters; new fin stabiliser

Online Contents | 1996

REGULARS - Discovery - New products include a fixed fire supression system, and a new type of contra-rotating propeller

Online Contents | 2001

CRP CONVERSION - The retrofit of a single azimuthing thruster with a contra-rotating propeller gave a significant increase in ship performance

Online Contents | 1997

Performance Improvement of Contra-Rotating Small Hydroturbine

Shigemitsu, Toru / Ikebuchi, Tomofumi / Nan, Ding et al. | Springer Verlag | 2019