Cross-beam helicopter rotor with readily replaceable snubber

Details Cross-beam helicopter rotor with readily replaceable snubber Cross-beam helicopter rotor with readily replaceable snubber

B - Operations, Transporting

64

C

244/15

B64C 11/06 (2006.01) B64C 27/04 (2006.01) B64C 27/33 (2006.01)

Patent

CA 1110606

CROSS-BEAM HELICOPTER ROTOR WITH READILY REPLACEABLE SNUBBER ABSTRACT OF THE DISCLOSURE A cross-beam helicopter rotor in which the torque tube enveloping the flexible spar is supported in relation thereto by an elastomeric primary snubber which is readily replaceable in the field and which utilizes a snubber retainer plate bonded to the spar with an elastomer layer of selected shape factor so that the retainer plate remains adhered to the spar while accommodating all blade and spar pitch and flapping motions and so that the retainer plate elastomer layer is substantially more durable than the elastomer layers of the primary snubber. This primary snubber may be used in combination with an auxiliary snubber.

330919

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