33, 35 Bonanza and Debonair IO-470

Manufacturer: Beechcraft

Aircraft Model(s): 33  Debonair,  33 and 35 Bonanza

Applicable Engines: IO-470-J,   -K, -C, -N

PDF: Bonanza and Debonair IO-470 (3-Blade)

Base Kit Includes:

Options:

Applicable Models:
35-33, 35-A33, 35-B33, 35-C33, E33, F33, G33, J35, K35, M35, N35, P35
* Note: a governor change may be required in some cases.
** Note: on earlier model aircraft with the IO-470-C engine, an oil plug transfer tube or an oil plug may be required. The oil transfer tube is NO LONGER AVAILABLE.

Specifications:
80 inch diameter 3-bladed, aluminum hub propeller
2400 hour / 6 year TBO
80 pounds (prop & spinner)
diameter reduction allowable to 78 inches

Replaces:
Beech 273 / 278 – 82 inch dia. 2-bladed prop
69 – 73 pounds (prop & spinner)
82 inch reduceable to 81.5 ins., some no reduction allowed

Flottorp F12A – 82-84 inch dia. 2-bladed prop
70 pounds (prop & spinner)
84 inch reduceable to 82 inch diameter
82 inch reduceable to 81.5 ins., some no reduction allowed

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

Hartzell BHC-92ZF – 84 inch dia. 2-bladed steel hub prop
70 pounds (prop & spinner)
Diameter reduction allowable to 82 inches
2000 hour / 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. 2-bladed models
Lower noise
Better take-off and climb performance
Improved appearance
Less blade erosion

vs. all models
Longer TBO
Current design (Beech, Flottorp, McCauley threaded, Hartzell steel are obsolete)

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