Propeller Owner’s Manual
147
INTRODUCTION
61-00-47
Page 1-19
Rev. 16 May/20
Term Denition
Blade Centerline An imaginary reference line through the
length of a blade around which the blade
rotates
Blade Station
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
bladespecicationdatainbladeoverhaul
manuals.
Note: Do not confuse blade station with
reference blade radius; they may
not originate at the same location.
Blemish An imperfection with visible attributes, but
having no impact on safety or utility
Brinelling A depression caused by failure of the
material in compression
Bulge An outward curve or bend
Camber 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.
Chord A straight line distance between the leading
and trailing edges of an airfoil
Chordwise A direction that is generally from the leading
edge to the trailing edge of an airfoil
Co-bonded The act of bonding a composite laminate
and simultaneously curing it to some other
prepared surface
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