55 Baron IO-520 (w/o air)

Manufacturer: Beechcraft
Aircraft Model(s): 55 Baron
Applicable Engines: IO-520-C, IO-520-CB

PDF: 55 Baron IO-520 (w/o air)

Base Kit Includes:

Options:

Applicable Models:
95-C55, 95-C55A, D55, D55A, E55, E55A

Specifications:
76 inch diameter 3-bladed, aluminum hub propellers
2400 hour / 6 year TBO
89 pounds each (prop & spinner combined)
diameter reduction allowable to 74 inches

Replaces:
Hartzell BHC-C2YF-2CHUF/FC8475-6 78 in. dia. 2-bladed props
Diameter reduction allowable to 76 inches
2400 hour / 6 year TBO
71 pounds (prop & spinner combined)

McCauley C55 – 78 inch dia. 2-bladed propellers
64 pounds (prop & spinner combined)
Diameter reduction allowable to 76 inches
1200-1500 hour / 5 year TBO

McCauley C75 – 76 inch dia. 3-bladed propellers
82 pounds each (prop & spinner combined)
No diameter reduction allowable
1200 hours / 5 year TBO

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

vs. 3-bladed
Longer TBO
Diameter reduction allowable in event of tip damage
McCauley threaded designs obsolete

Note:
Please note that in most cases an aftermarket air conditioner does not change the aircraft cowling, therefore the “w/o air conditioning” spinner assembly (C-3567-1P) would be needed when ordering.

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