Test rig for rotors of gyrocraft

Details Test rig for rotors of gyrocraft Test rig for rotors of gyrocraft

1996-03-11

1997-12-02

Brock, Michael

Measuring and testing

Testing of apparatus

73178H, 738656, G01N 1908

Patent

active

056938969

ABSTRACT:
The rig comprises a vertical electric motor in a shell-type framework carrying a force balance itself supporting either a main rotor in dynamic tests or a complete propulsion assembly with main rotor in endurance tests, or a height extender supporting, on the one hand, an upper shaft line being coupled to a lower shaft line supported in the framework and driven by the motor and, on the other hand, an inverse-thrust rotor mast, driving a hub jig linked to blades mounted inverted so as to exercise a thrust downwards. The mast is linked to the shaft line by a torque meter and is mounted rotating in a bearing supported by a second balance fixed to the height extender. The mast and the upper shaft line are removable with the height extender in order to make the rig multi-purpose and useable for performance, endurance and dynamic tests of helicopter rotors.

REFERENCES:
patent: 2815665 (1957-12-01), Brown
patent: 4970651 (1990-11-01), Favre et al.
patent: 5309766 (1994-05-01), Touzeau et al.

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