Propeller Owner's Manual
136
INTRODUCTION
61-00-36
Page 1-15
Rev. 2 Feb/17
Pitting . . . . . . . . . . . . . .
Formation of a number of small,
irregularly shaped cavities in surface
material caused by corrosion or
wear.
Propeller Critical Part
. .
A part on the propeller whose
primary failure can result in a
hazardous propeller effect, as
determined by the safety analysis
required by Title 14 CFR section
35.15.
Reverse . . . . . . . . . . . .
Rotation of the propeller blades to a
negative angle to produce braking
or reverse thrust.
Scratch
. . . . . . . . . . . . .
See “Nick”.
Single Acting
. . . . . . . . .
Hydraulically actuated propeller
which utilizes a single oil supply for
pitch control.
Synchronizing
. . . . . . . .
Adjusting the RPM of all the
propellers of a multi-engine aircraft
to the same RPM.
Synchrophasing
. . . . . .
A form of propeller sychronization
in which not only the RPM of the
engines (propellers) are held
constant, but also the position of the
propellers in relation to each other.
Track
. . . . . . . . . . . . . . .
In an assembled propeller, a
measurement of the location of the
blade tip with respect to the plane
of rotation, used to verify face
alignment and to compare blade tip
location with respect to the locations
of the other blades in the assembly.
Term
Definition
