Manufacturer: Cessna
Aircraft Model(s): A185E, A185F
Applicable Engines: IO-520-D
PDF: CESSNA A185 SA04404CH (C3F04930)
QTY | DESCRIPTION | ITEM # |
1 | 3-Bladed Propeller | HC-C3YF-1RF/F8429 |
1 | Polished Spinner | C-3575-P |
1 | STC Document Set | SA04404CH |
Applicable Models:
A185E, A185F
Specifications:
86 inch diameter 3-bladed, aluminum hub, aluminum bladed propeller
2400 hour / 6 year TBO
77 pounds (propeller and spinner)
Diameter reduction allowable to 84 inches
NO RPM RESTRICTIONS
Replaces:
McCauley C58 – 86 inch diameter 2-bladed prop
Diameter reduction allowable to 84.5 inches
Oil fill requirement per AD 91-15-04
1200-1500 hour / 5 year TBO
McCauley C403 – 80 inch diameter 3-bladed prop
Diameter reduction allowable to 78.5 inches
2000 hour / 6 year TBO
Advantages:
vs. McCauley C58 2-bladed model
Dramatically improved take off and climb performance
2 knot increase in cruise
Longer TBO/warranty
Current design, Mc threaded design obsolete
vs. McCauley C401 3-bladed model (86”)
Better take-off and climb performance (80 – 100 FPM at Vy)
7 knot increase in cruise
Longer TBO/warranty
vs. McCauley C403 3-bladed model
Better take-off and climb performance
Longer TBO/warranty
Notes:
* Note: No engine mount change is required per the Hartzell STC paperwork. Changing to the heavier mounts, however, may be needed if vibration is experienced.
**Note: This propeller should be especially effective for aircraft operating on floats, out of short fields, or with heavy loads.
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