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Lycoming IO-390-C3B6 Engine
| Place of Origin | America |
|---|---|
| Brand Name | Lycoming |
| Certification | FAA 8130-3 |
| Model Number | Lycoming IO-390-C3B6 Engine |
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xProduct Details
| Rated Power | 210 Horsepower | Rated Speed | 2700 Rpm |
|---|---|---|---|
| Cylinder Diameter | 5.319 Inches | Stroke | 4.375 Inches |
| Displacement | 389 Cubic Inches | Compression Ratio | 8.9:1 |
| Firing Order | 1-3-2-4 | Valve Rocker Arm Clearance | 0.028-0.080 Inches |
| Transmission Ratio | 1:1 | Rotation Direction | Clockwise |
| Net Weight | 315 Pounds | Moment Of Inertia | X-axis (rotation Axis Parallel To The Centerline Of The Crankshaft) Is 59.3in·lb·s²; Y-axis (rotation Axis Parallel To The Centerline Of The Cylinder) Is 86.7in·lb·s²; Z-axis (vertical Direction) Is 45.2in·lb·s² |
| Highlight | C3B6 Lycoming IO-390 Engine,IO-390-C3B6 Lycoming Engine,Lycoming IO-390-C3B6 Engine |
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Product Description
The IO-390-C3B6 is a popular choice for builders and pilots looking for a reliable, high-performance engine for light aircraft.
Part Number
| New | Rebuilt | Overhaul |
| ENPL-RT11143 | RENPL-RT11143 | HENPL-RT11143 |
Specifications:
- Engine Type: 6-cylinder, horizontally opposed (flat-six)
- Displacement: 541.5 cubic inches (8.87 liters)
- Power Output: 300 horsepower (224 kW) at 2,700 RPM
- Compression Ratio: 8.7:1
- Fuel System: Fuel injection (Continental Bendix RSA-5AD1 fuel injector)
- Cooling System: Air-cooled
- Weight: Approximately 390 lbs (177 kg) dry
- Fuel Type: 100LL aviation gasoline (avgas)
- Oil Capacity: 12 quarts (11.4 liters)
Key Features:
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Fuel Injection: Provides better fuel efficiency and performance compared to carbureted engines.
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Air-Cooled Design: Simplifies maintenance and reduces weight.
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High Power-to-Weight Ratio: Makes it suitable for a variety of aircraft, including high-performance singles and light twins.
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Reliability: Known for its durability and long service life with proper maintenance.
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Applications:
The IO-540-AE1A5 is commonly found in aircraft such as:
- Cessna 206 Stationair
- Piper PA-32 Cherokee Six
- Mooney M20K
- Aerostar 600
Maintenance and TBO:
- TBO (Time Between Overhauls): Typically 2,000 hours, depending on operating conditions and maintenance practices.
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Maintenance: Regular inspections, oil changes, and adherence to Lycoming's service bulletins are critical for longevity.
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