Airfoil incidence angle adjustment method

Details Airfoil incidence angle adjustment method Airfoil incidence angle adjustment method

1988-04-29

1989-08-15

Moon, Charlie T.

Cutting by use of rotating axially moving tool

Processes

Bit detachable

29407, 29445, 295262, 244123, 408 89, B23B 3500

Patent

active

048569437

ABSTRACT:
A method of providing interchangeability of aircraft wings, particularly providing a method of adjusting the angles of incidence and dihedral to compensate for differences in the twist angle between airfoils. The method comprises determining the angle of twist of an airfoil, having an airfoil attachment member, and supporting the airfoil on at least three supports spaced about said airfoil so that the airfoil attachment member is aligned with a hole boring means. The supports are adjusted so that the hole when bored through the airfoil attachment member provides the airfoil with angles of incidence and dihedral that substantially cancel the angle of twist. The hole is bored through the airfoil attachment member.

REFERENCES:
patent: 2991668 (1961-07-01), Keller
patent: 3170691 (1965-02-01), Pritchard
patent: 3254399 (1966-06-01), Zahuramec
patent: 3430317 (1969-03-01), Grimoldi et al.
patent: 3782847 (1974-01-01), Kulzer
patent: 4040763 (1977-08-01), Assenmacher
patent: 4086017 (1978-04-01), Nessler
patent: 4228976 (1980-10-01), Eiselbrecher
patent: 4445264 (1984-05-01), Banerian

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