Accession Number:

AD0772935

Title:

Cold-Weather Flight Tests of an OH-58 Helicopter Equipped with an Elastomeric-Bearing Main Rotor

Descriptive Note:

Technical rept.

Corporate Author:

BELL HELICOPTER TEXTRON INC FORT WORTH TX

Personal Author(s):

Report Date:

1973-08-01

Pagination or Media Count:

39.0

Abstract:

The results of a flight test program conducted to investigate the characteristics of a main helicopter rotor equipped with elastomeric bearings operating at low temperatures are reported. The helicopter used was an OH-58A, and the main rotor tested had elastomeric bearings in the pitch-change and flapping axes. Operation at temperatures of 48, 5, -9, -13, -29, and -52 F was investigated. Normal rotor control was obtained down to temperatures of -13 F. At lower temperatures, elastomer stiffening caused increased control system loads, which limit operation.

Subject Categories:

  • Helicopters

Distribution Statement:

APPROVED FOR PUBLIC RELEASE