Accession Number:

ADA008365

Title:

KAflex Drive Shaft Coupling for UH-1 Helicopter. Design Refinement.

Descriptive Note:

Final technical rept. on Phases 5 and 6,

Corporate Author:

KAMATICS CORP BLOOMFIELD CONN

Personal Author(s):

• Wirth,Charles J.

Report Date:

1975-01-01

Pagination or Media Count:

67.0

Abstract:

A KAflex coupling shaft, using flexing metal elements to accommodate misalignment has been designed as a replacement for the main drive shaft coupling of the UH-1 helicopter. Previous program phases explored the feasibility of this approach through analysis and test of a prototype coupling shaft. The program phases covered in this report include an examination of compatibility of the coupling shaft to the space envelope and operating conditions encountered in the UH-1 installation, and refinement of the prototype design to reflect the results of this and previous examinations. A mock up installation of the prototype coupling shaft is made, clearances are evaluated and lateral natural frequencies are measured and verified through analysis.

Descriptors:

• *HELICOPTER ROTORS
• *DRIVE SHAFTS
• *SHAFT COUPLINGS
• METALS
• VIBRATION
• RESONANT FREQUENCY
• LIFE CYCLES
• FLEXIBLE MATERIALS
• FLEXIBLE COUPLINGS

Subject Categories:

• Helicopters

Distribution Statement:

APPROVED FOR PUBLIC RELEASE