Aircraft control system component with improved ballistic tolera

Details Aircraft control system component with improved ballistic tolera Aircraft control system component with improved ballistic tolera

1977-11-07

1979-07-17

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

74559, 89 36A, 109 82, 403 11, 428117, 428911, G05G 104, G05G 700, F41H 504

Patent

active

041611250

ABSTRACT:
An aircraft control system component, such as a bellcrank, having sideplate members of three-ply laminates bonded together with an elastomer-modified epoxy, with the thickness of the central ply twice the thickness of the end plies, and with the outboard end ply being of selected thickness and yield strength so that when petalling occurs therein due to the passage of a projectile therethrough, the petals are deformable under control loads when they come in contact thereafter with associated parts to thereby permit the control system to continue to perform its function due to the improved ballistic tolerance of the component.

REFERENCES:
patent: 2102325 (1937-12-01), Kylstra
patent: 3098723 (1963-07-01), Micks
patent: 3238811 (1966-03-01), Longstreth
patent: 3362252 (1968-01-01), Ditlinger

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