Propeller Owner's Manual
136
DESCRIPTION AND OPERATION
61-00-36
Page 2-20
Rev. 2 Feb/17
3. Model Designation
The following pages illustrate sample model designations for
Hartzell Propeller Inc. compact propeller hubs and blades.
A. Aluminum Hub Propeller Model Identification
( ) HC - E 3 Y R - 7 LF
HARTZELL CONTROLLABLE
DOWEL PIN LOCATION
NO. OF BLADES 3
with respect to # 1 blade, viewed clockwise facing propeller flange:
BLANK
-
90 AND 270 DEGREES - CONTINENTAL,
0 AND 180 DEGREES - LYCOMING
BLADE SHANK
OR
RETENTION
SYSTEM
Y SHANK, ALUMINUM BLADE,
INTEGRAL PITCH CHANGE ARM
FLANGE
DISTANCE FROM HUB
DESIGNATION PARTING LINE TO
FLANGE
FACE
E
- EXTENDED HUB R
9.187
HUB MTG BOLT
DOWELS
NO. OF BOLTS TYP. ENGINE
FLANGE
CIRCLE NO.
DIA. OR STUDS
R
4.75 in.
N/A
N/A
6 (1/2)
LYC
BASIC DESIGN
CHARACTERISTIC
HC
-7 PROPS
F
- LARGE PITCH CHANGE KNOB, FORK
L
- LEFT HAND ROTATION
MINOR MODIFICATIONS
(up to 5 characters)
SPECIFIC DESIGN
FEATURES
7
-
CONSTANT SPEED, REVERSING (PRESSURE CONTROL)