Accession Number:

ADA012776

Title:

New Tapered Composite Spar Design

Descriptive Note:

Final rept.

Corporate Author:

UNITED TECHNOLOGIES CORP STRATFORD CT SIKORSKY AIRCRAFT DIV

Report Date:

1975-06-01

Pagination or Media Count:

117.0

Abstract:

The purpose of this study was to design and evaluate a filament winding approach to the fabrication of a spar which tapered in planform and thickness. A cost and weight comparison was made with a conventional titanium spar design and an alternative composite design. The design included the integration of a suitable root end retention fitting.

Subject Categories:

  • Helicopters

Distribution Statement:

APPROVED FOR PUBLIC RELEASE