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/lp/emerald-publishing/u-s-patent-specifications-DQzqQa1TSJ
- Publisher
- Emerald Publishing
- Copyright
- Copyright © Emerald Group Publishing Limited
- ISSN
- 0002-2667
- DOI
- 10.1108/eb032173
- Publisher site
- See Article on Publisher Site
Abstract
In a metal rotor blade for rotary wing aircraft, a spanwise load carrying spar, a blade retention fitting by which the blade is adapted to be connected to a rotor hub, said fitting having upper and lower platelike members between which the root of said spar is receivable, fastening means extended through the overlapping portions of said spar and fitting, reinforcing plates between said members and said spar having perforate inboard portions through which said fastening means extend and imperforate portions outboard of said fitting which overlie the upper and lower surfaces of said spar, and adhesive means between the imperforate portions of said plates and the surfaces of said spar for providing load carrying areas free from stress concentrations.
Journal
Aircraft Engineering and Aerospace Technology – Emerald Publishing
Published: Jun 1, 1952