Hartzell HC-B3-2 Series Owner's Manual And Logbook page 58

Term
Vertical Balance
Voids
Windmilling
Woven Fabric
Wrinkle (aluminum
blade)
Wrinkle (composite
blade)
Propeller Owner's Manual
Balance between the leading and trailing
edges of a two-blade propeller with the
blades positioned vertically
Air or gas that has been trapped and
cured into a laminate
The rotation of an aircraft propeller
caused by air flowing through it while the
engine is not producing power
A material constructed by interlacing
fiber to form a fabric pattern
A wavy appearance caused by high and
low material displacement
Overlap or fold within the material
INTRODUCTION
139
Definition
61-00-39
Rev. 17 Apr/20
Page 1-28