Pitch testing apparatus

Details Pitch testing apparatus Pitch testing apparatus

1981-07-13

1983-10-25

Stearns, Richard R.

Geometrical instruments

Area integrators

Electrical

G01B 524, G01B 730

Patent

active

044110731

ABSTRACT:
An instrument for measuring the pitch of propeller blades which includes a probe which can contact and remain in contact with a propeller blade while there is continuous relative rotation of the probe and the blade, there being means to measure the degree of angular rotation and the distance of movement of the probe and means whereby the two parameters can be manipulated to provide a measurement of pitch.
The applications shows several forms of instrument to effect this result under different circumstances.

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patent: 1902180 (1933-03-01), Prior
patent: 2096752 (1937-10-01), Metcalf
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patent: 2550707 (1951-05-01), McKinstry et al.
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patent: 2865103 (1958-12-01), Lolley et al.
patent: 2941301 (1960-06-01), Wright
patent: 3482321 (1969-12-01), Inshaw
patent: 3924337 (1975-12-01), Taylor
patent: 4035922 (1977-07-01), von Voros
patent: 4056888 (1977-11-01), Hughey, Jr.

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