Bonanza and Debonair IO-520 & IO-550 (Scimitar)

Manufacturer: Beechcraft
Aircraft Model(s): 33 Bonanza, 35 Bonanza, 33 Debonair, 35 Debonair, 36 Bonanza, A36 Bonanza
Applicable Engines: IO-520-B, -BA, -BB & IO-550-B (TC’d engines only)

PDF: Bonanza and Debonair IO-520 & IO-550 (Scimitar)

Base Kit Includes:

Kit with Electric De-ice Includes:

Applicable Models:
35-C33A, E33A, E33C, F33A, F33C, S35, V35, V35A, V35B, 36, A36

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

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 or C409 – 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

vs. Hartzell 3-bladed aluminum (8468 blade)
Improved take off and climb performance
Improved aesthetics

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