Accession Number:

ADA036485

Title:

Results of Environmental Testing of Modified OH-58A Tail Rotor Drive Shaft Bearing Assemblies.

Descriptive Note:

Final rept.,

Corporate Author:

BELL HELICOPTER TEXTRON FORT WORTH TEX

Personal Author(s):

Report Date:

1970-10-30

Pagination or Media Count:

69.0

Abstract:

This report presents the results of testing OH58A tail rotor bearings with dust shields and modified seals. The spring loaded bearing clamp up feature incorporated into 206-040-344-1 hanger assembly was also tested. Testing was accomplished in a closed circuit wind tunnel. Air filtration media test dust was introduced into the test machine periodically to produce a test environment of high velocity air laden with sand and dust. Bearing arrangement exhibited a 5X B10 Life Improvement. Author

Subject Categories:

  • Helicopters
  • Machinery and Tools

Distribution Statement:

APPROVED FOR PUBLIC RELEASE