This basic engine started one of the biggest aircraft companies history.

Continental A-65-8 engine is a key component that contributed to the success and enduring popularity of the Piper J-3 Cub. This engine, produced by Continental Motors, is renowned for its reliability, simplicity, and efficiency.

In this article, we’ll explore the features, specifications, and performance of the Continental A-65-8 engine, and why it remains a favored choice among vintage aircraft enthusiasts.

Specifications of the Continental A-65-8 Engine

Here are the key specifications of the Continental A-65-8 engine:

Specification	Value
Configuration	4-cylinder, horizontally opposed
Cooling System	Air-cooled
Displacement	171 cubic inches (2.8 liters)
Bore	3.875 inches (98.4 mm)
Stroke	3.625 inches (92.1 mm)
Compression Ratio	6.3:1
Dry Weight	170 lb (77 kg)
Power Output	65 hp (48 kW) at 2,300 RPM
Fuel System	Carbureted
Ignition System	Dual magneto
Oil Capacity	4 quarts (3.8 liters)

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Continental A-65-8 engine Performance

The Continental A-65-8 engine is well-regarded for its smooth and reliable performance. Its key performance characteristics include:

• Power Output: The engine produces 65 horsepower at 2,300 RPM, which is sufficient for the lightweight Piper J-3 Cub, allowing for good climb performance and cruising speed.
• Fuel Efficiency: The A-65-8 engine is known for its efficient fuel consumption, making it economical to operate. The typical fuel consumption is around 4-5 gallons per hour.
• Ease of Maintenance: The simplicity of the A-65-8’s design ensures that it is relatively easy to maintain and repair. Parts are readily available, and many mechanics are familiar with its operation.
• Durability: The engine’s robust construction and reliable performance have contributed to its longevity. Many A-65-8 engines have seen decades of service, demonstrating their durability and dependability.

Continental A-65-8 Price

The price of a Continental A-65-8 engine can vary widely based on several factors, including its condition (new, overhauled, or used), availability, and the specific seller. Here are some general price ranges you might encounter:

1. New Engine: It’s rare to find a brand-new Continental A-65-8 engine, as these engines are no longer in production. However, in the rare instance that you do find one, the price could be quite high, potentially ranging from $20,000 to $30,000 or more.
2. Overhauled Engine: Overhauled engines are a more common option for those looking to replace or upgrade their existing engine. The price for an overhauled A-65-8 engine typically ranges from $10,000 to $20,000, depending on the quality of the overhaul and the included warranty.
3. Used Engine: Prices for used Continental A-65-8 engines can vary significantly based on the engine’s total hours, maintenance history, and condition. Generally, you might find used engines priced between $5,000 and $10,000. It’s essential to thoroughly inspect and verify the history of any used engine before purchase to ensure it meets your safety and performance requirements.

Historical Significance

The Continental A-65-8 engine played a pivotal role in the development of light aviation in the mid-20th century. It powered not only the Piper J-3 Cub but also other popular aircraft such as the Taylorcraft BC-12 and the Aeronca 7AC Champion. During World War II, the A-65-8 was used in military training aircraft, helping to train thousands of pilots who went on to serve in various branches of the armed forces.