
( Brand: Lycoming ), ( Manufacturer Part Number: R-680-17 ), ( Part Type: Cylinder Engine )
The Lycoming R-680-17 engine is an exceptional radial cylinder powerplant specifically designed for aircraft applications. This engine, model R-680-17, is part of the renowned Lycoming R-680 series, known for their reliability, efficiency, and robust performance.
The R-680-17 engine is a 6-cylinder, air-cooled, radial engine, with a displacement of 680 cubic inches (11.1 liters). It features a single-stage supercharger, which significantly boosts the engine's power output, ensuring optimal performance at high altitudes. The engine is equipped with a constant-speed propeller reduction gear, ensuring smooth and efficient power transmission to the propeller.
The engine's cylinders are made of high-strength aluminum alloy, which not only reduces the overall weight of the engine but also provides excellent heat dissipation, ensuring durable and reliable operation even under heavy load. The engine's crankshaft, connecting rods, and other critical components are made of forged steel, ensuring superior strength and longevity.
The R-680-17 engine is capable of delivering an impressive power output of 450 horsepower at 2700 RPM, making it an ideal choice for a wide range of aircraft, including general aviation, crop dusters, and other specialized applications. The engine is also known for its excellent fuel efficiency, ensuring long flight times and reduced fuel costs.
In terms of maintenance, the R-680-17 engine is designed with ease of access and serviceability in mind. The engine's cylinders are easily removable, allowing for quick and easy inspection and replacement of components as needed. The engine's oil system is also designed with a pressure relief valve, ensuring that oil is always properly circulated and preventing engine damage due to oil starvation.
Overall, the Lycoming R-680-17 engine is a powerful, reliable, and efficient choice for aircraft operators seeking high performance and long-term durability. Its robust design, easy maintenance, and impressive power output make it a top choice for a wide range of aircraft applications.
Pros of buying a Lycoming O-680-17 engine:1. Reliability: The Lycoming O-680-17 engine is known for its durability and reliability, which is essential for aircraft engines.
2. Power: With a horsepower of 300, the engine provides ample power for most general aviation aircraft, ensuring smooth takeoffs and landings.
3. Fuel efficiency: The engine's fuel efficiency is relatively good compared to other engines of similar power, making it cost-effective in the long run.
4. Availability of parts: The O-680-17 engine has been in production for several decades, and parts are readily available, ensuring easy maintenance and repair.
Cons of buying a Lycoming O-680-17 engine:1. Weight: The engine is relatively heavy, which can impact the aircraft's overall weight and performance.
2. Maintenance cost: While the engine is durable, regular maintenance is essential to keep it running smoothly. This can add to the overall cost of ownership.
3. Noise level: The engine can be quite noisy, which can be a drawback for some aircraft owners who value quiet operation.
In conclusion, the Lycoming O-680-17 engine is a reliable and powerful option for general aviation aircraft. Its fuel efficiency and availability of parts make it a cost-effective choice in the long run. However, its weight and noise level are potential drawbacks that should be considered before making a purchase. Ultimately, the decision to buy the engine depends on the specific needs and preferences of the aircraft owner.
Recommendation: If you value reliability, power, and fuel efficiency in an engine, the Lycoming O-680-17 engine is a great option. However, be prepared for the weight and noise level, and ensure you have a budget for regular maintenance.
With valves, rockers, and standard piston ship domestic 40.