Product Description
- Basic Design: 1B90
- FAA Type Certificate: P842
- SAE Number/Type of Flange: SAE #1
- Diameter of Circle: 4.375 inches
- Bolt Diameter: 3/8 inch
- Number of Bolts: 6
- Spacer/Adapter: None
- Installation Weight: 23.5 lbs
- Installation Bolt Kit: Tapered crankshaft requires bolt kit UB4622-42, flanged crankshaft requires bolt kit UB4622-9
NOTE: 1A90/CF elliptical tip models and 1B90/CM square tip models having the same diameter and pitch are directly interchangeable, except for CF7538 on Cessna 150G, H, J, and K model sea planes.
Applicability Chart
| Aircraft | Engine | Prop Type | Maximum Diameter | Minimum Diameter |
|---|---|---|---|---|
| Bellanca 7BCM (Army L-16A) | Continental C-85-8, -8F, -8FJ, -8J | Cruise | 71 | 69.5 |
| Bellanca 7DC | Continental C-85-8, -8F, -8FJ, -8J | Cruise | 71 | 69.5 |
| Bellanca 11BC | Continental C-85-8 | Climb | 71 | 69.5 |
| Bellanca 11CC | Continental C-85-8F | Cruise | 71 | 69.5 |
| Cessna 120, 140, 140A | Continental C-85-12, -12F, -14F | Climb | 71 | 69.5 |
| Commonwealth 180 (SA81GL) | Continental C-90-12F | Standard | * | * |
| Commonwealth 185 "Skyranger" | Continental C-85-12 | Standard | 71 | 69.5 |
| Emigh (H.S. Garcia) Trojan A-2 | Continental C-85-12F | Climb | 71 | 69.5 |
| Fleet 80 "Canuck" | Continental C-85 | Climb | 71 | 69.5 |
| McClish Funk B85-C | Continental C-85-12 | Climb | 71 | 69.5 |
| Piper J3C-85 "Cub" | Continental C-85-8, -12 | Cruise | 71 | 68.5 |
| Piper J3C-90S "Cub" Seaplane | Continental C-90-8F | Standard | 71 | 69.5 |
| Piper J-5A (Army L-4F) "Cruiser" | Continental C-85-12 | Standard | 71 | 69.5 |
| Piper PA-11 (85hp) "Super Cub" | Continental C-85-8FJ, -12 | Cruise | 71 | 68.5 |
| Piper PA-11S (90hp) "Super Cub" Seaplane | Continental C-90-8F | Standard | 71 | 69.5 |
| Piper PA-18 "Super Cub" | Continental C-90-8F, -12F | Climb | 71 | 69.5 |
| Piper PA-19 (Army L-19C) | Continental C-90-8F, -12F | Climb | 71 | 69.5 |
| Stinson (Univair) 10, HW-75 | Continental C-85-12, -12F | Standard | 71 | 69.5 |
| Taylorcraft BC12D-85 | Continental C-85-8F | Climb | 71 | 69.5 |
| Taylorcraft BC12D-4-85 | Continental C-85-12F | Climb | 71 | 69.5 |
*This propeller is installed under a Supplemental Type Certificate. To obtain dimensional information and specifics on the applicability of this propeller, please contact the STC holder. McCauley cannot provide this information.
SA81GL
Harvey Bolin
Brandon, MN 56315
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Custom Field
Aircraft Bellanca
Aircraft Cessna
Aircraft Piper
Aircraft Stinson
Aircraft Taylorcraft
Aircraft Emigh
Aircraft Fleet
Aircraft Commonwealth
Engine Continental
Material Aluminum
