Hartzell HC-B3-2 Series Owner's Manual And Logbook page 48

Term
Beta System
Blade Angle
Blade Centerline
Blade Station
Blemish
Brinelling
Bulge
Camber
Propeller Owner's Manual
Parts and/or equipment related to
operation (manual control) of propeller
blade angle between low pitch blade
angle and full reverse blade angle
Measurement of blade airfoil location
described as the angle between the
blade airfoil and the surface described
by propeller rotation
An imaginary reference line through the
length of a blade around which the blade
rotates
Refers to a location on an individual
blade for blade inspection purposes. It
is a measurement from the blade "zero"
station to a location on a blade, used to
apply blade specification data in blade
overhaul manuals.
Note: Do not confuse blade station
with reference blade radius; they
may not originate at the same
location.
An imperfection with visible attributes,
but having no impact on safety or utility
A depression caused by failure of the
material in compression
An outward curve or bend
The surface of the blade that is directed
toward the front of the aircraft. It is
the low pressure, or suction, side of
the blade. The camber side is convex
in shape over the entire length of the
blade.
INTRODUCTION
139
Definition
61-00-39
Rev. 17 Apr/20
Page 1-18