Hartzell TOP PROP Sales:
303-665-7905

e-mail us at rockyprop@rockyprop.com

BEECH BONANZA,
DEBONAIR, 33, 35, 36


TOP PROP PERFROMANCE
CONVERSIONS

 

STC Number SA785CE

Applicable Aircraft

Engines

35-C33A, E33A, E33C, F33A, F33C, S35, V35, V35A, V35B, 36, A36 (with IO-520 only)

IO-520-B, -BA, -BB

 STC Kit Contents

Number

1 3-Bladed Propeller
1 Polished Spinner
1 STC Paperwork

PHC-C3YF-1RF / F8468A-6R
A2295-1P
SA785CE

Specifications:

 

Propeller Part Number
Number of Blades
Blade Design
Installed Propeller & Spinner Weight
Maximum Diameter
Minimum Diameter
TBO

PHC-C3YF-1RF / F8468A-6R
3
Round
80 lbs.
80 in.
78 in.
2400 hrs/ 6 years
(whichever occurs first)

Replaces

 

McCauley C23 - 84 inch dia. 2-bladed prop
66 pounds (prop & spinner)
Oil fill requirement per AD 89-26-08
Diameter reduction allowable to 82 inches
1200 hours / 5 year TBO

McCauley C76 - 80 inch dia. 3-bladed prop
70 pounds (prop & spinner)
Diameter reduction allowable to 78.5 inches
1200 hours / 5 year TBO

McCauley C406 - 80 inch dia. 3-bladed prop
68 pounds (prop & spinner)
Diameter reduction allowable to 78.5 inches
2000 hours / 5 year TBO

Hartzell A3VF - 80 inch dia. 3-bladed steel hub prop
94 pounds (prop & spinner)
400 hour inspection per AD 68-13-2
Clamp inspection/replacement per AD 85-14-10
Blade retention system inspection AD 97-18-02
Diameter reduction allowable to 78.25 inches

Advantages:

vs. McCauley 2-bladed model
Lower noise
Better take-off and climb performance
Improved appearance
Less blade erosion
Longer TBO
Current design (Mc threaded design obsolete)

vs. McCauley 3-bladed models
Greater diameter reduction allowable
Longer TBO
Current design (Mc threaded obsolete)
Lower price than current design C406

vs. Hartzell 3-bladed steel model
Lighter weight
Current design, less costly to maintain
Eliminates all repetitive inspections