Propeller Owner’s Manual
139
DESCRIPTION AND OPERATION
61-00-39
Page 2-27
Rev. 17 Apr/20
MINOR MODIFICATIONS
SEE NEXT PAGE
HC - HARTZELL CONTROLLABLE
NO. OF BLADES 3, 4, OR 5
HC - B 3 T N - 3 DY
A
- DOUBLE SHOULDER RETENTION (V SHANK)
SINGLE SHOULDER RETENTION (MV SHANK)
B
- SINGLE SHOULDER RETENTION (T and M SHANK)
BOLT
DOWELS
NO. OF BOLTS
CIRCLE NO. DIA.
OR
STUDS
A
5.125 in.
2
5/8
12 (9/16")
F
4.00 in.
2
1/2
6 (1/2")
N
4.25 in.
2
1/2
8 (9/16")
P
4.25 in.
4
1/2
8 (9/16")
W
4.25 in.
4
1/2
8 (9/16")*
* HC-B( )( )W-3( ) requires the use of C-7364-2 spacer.
2
- CONSTANT SPEED, FEATHERING, PT-6
3
- CONSTANT SPEED, FEATHERING, REVERSING PT-6 &
LTP101 & M601; EXTERNAL BETA RING
5
- CONSTANT SPEED, FEATHERING, REVERSING,
INTERNAL BETA SYSTEM, START LOCKS, TPE-331
7
- CONSTANT SPEED, FEATHERING, REVERSING,
ALLISON ENGINES, INTERNAL BETA SYSTEM,
BETA VALVE C-3630( )
BASIC SHANK
BASIC DESIGN
M
- TWO NEEDLE BEARINGS, C-1977 CLAMP
T
- TWO NEEDLE BEARINGS, C-1301 CLAMP
V
- NEEDLE BEARING, C-3 CLAMP, DOUBLE SHOULDER RETENTION
MV
- NEEDLE BEARING, D-6831( ) CLAMP,MODIFIED V SHANK, SINGLE
SHOULDER RETENTION
MOUNTING
FLANGE
SPECIFIC DE-
SIGN FEATURES
Propeller Model Designations
Table 2-1