Accession Number:

ADA027206

Title:

Bonded Field-Replaceable Rotor Blade Pocket For the CH-54B. Volume 1. Design Study

Descriptive Note:

Final rept.

Corporate Author:

UNITED TECHNOLOGIES CORP STRATFORD CT SIKORSKY AIRCRAFT DIV

Personal Author(s):

• Longobardi, John A.

Report Date:

1976-06-01

Pagination or Media Count:

159.0

Abstract:

The present CH-54B main rotor blade consists of 28 nonstructural, trailing-edge fairings called pockets. Fourteen of these pockets are different in dimension because of the taper on the blade spar. The adhesive retaining the pockets to the blade is a high-temperature and -pressure system. For these reasons, damaged pockets are repaired at the factory because of high inventory of pockets and sophisticated tooling for the best-curing adhesive would be needed to make a field repair possible. Consequently, under previous contract with the Army Contract DAAJ02-71-C-0022, the feasibility of developing a pocket and adhesive suitable for field application was investigated. The study resulted in a universal pocket design which could be utilized to replace any pocket on the CH-54B blade and an adhesive system which would cure at room temperature.

Descriptors:

• *FIELD EQUIPMENT
• *HELICOPTER ROTORS
• *REPLACEMENT
• *ROTOR BLADES(ROTARY WINGS)
• ADHESIVES
• BONDING
• CURING
• FAIRINGS
• MAINTENANCE
• TRAILING EDGES

Subject Categories:

• Helicopters

Distribution Statement:

APPROVED FOR PUBLIC RELEASE