Propeller Owner’s Manual
139
DESCRIPTION AND OPERATION
61-00-39
Page 2-36
Rev. 17 Apr/20
B. Governor Model Designation
(1) Hartzell Propeller Inc. uses a model number designation
system to identify specific governor models.
(2) The governor model number is stamped on the base
and/or body of the governor assembly.
(3) Refer to Table 2-3 for a description of the characters
used in the governor model number.
Governor Model Designations
Table 2-3
S
-
1
-
1
Minor Variation of Basic Design
(numeric or alpha character)
indicating variations of: RPM setting, head orientation, relief setting,
rotation, lever angle, and/or minor part changes
Specific Model Application
(numeric character)
1 through 11
Basic Body and Major Parts
(alpha character)
A, B, C, D, E, F, H, S, U, V - Mechanically Actuated Governors
L - Electrically Actuated Governors