Hartzell HC-E4 3 Series Owner's Manual page 45

Term
Blade Centerline
Blade Station
Blemish
Brinelling
Bulge
Camber
Chord
Chordwise
Co-bonded
Propeller Owner's Manual
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.
A straight line distance between the leading
and trailing edges of an airfoil
A direction that is generally from the leading
edge to the trailing edge of an airfoil
The act of bonding a composite laminate
and simultaneously curing it to some other
prepared surface
INTRODUCTION
147
Definition
61-00-47
Rev. 16 May/20
Page 1-19