
( Manufacturer Part Number: 47518 ), ( Part Type: Cylinder Engine )
The Pratt & Whitney R-985 Wasp Junior is a legendary radial engine that has left an indelible mark in the annals of aviation history. The 47518 model, specifically, is a testament to Pratt & Whitney's engineering excellence and its commitment to delivering high-performance engines.
The R-985 Wasp Junior is a 14-cylinder, two-row, air-cooled, supercharged radial engine. It boasts a displacement of 2,775 cubic inches (45.4 liters) and a maximum power output of 1,200 horsepower at 2,700 rpm. The engine features a single-stage supercharger for improved performance at high altitudes.
The Wasp Junior is renowned for its ease of operation and maintenance. It features a wet-sump lubrication system with a 10-gallon (37.85 liters) oil capacity, ensuring optimal engine performance and longevity. The engine's cooling system is equally impressive, with a 14-row aluminum radiator and a water pump that delivers 30 gallons per minute (113.56 liters per minute).
The R-985 Wasp Junior is known for its robustness and reliability, making it a favorite among aircraft designers and operators. Its sleek, streamlined design and compact size make it an ideal choice for a wide range of aircraft, from light sport planes to military aircraft.
In conclusion, the 47518 Pratt & Whitney R-985 Wasp Junior is more than just an engine; it's a symbol of aviation's past, present, and future. Its power, efficiency, and reliability have made it a staple in the aviation industry, and its legacy continues to inspire new generations of engineers and pilots alike.
Pros of buying a 47518 Pratt & Whitney 985 Cylinder Radial Engine:1. Historical Significance: This engine is a part of aviation history, as it was used in numerous aircraft during the mid-20th century. Collectors and enthusiasts may appreciate its historical value.
2. Power and Performance: Radial engines like the Pratt & Whitney 985 are known for their power and reliability. They can deliver a significant amount of horsepower, making them suitable for aircraft with larger payloads.
3. Availability of Spare Parts: Due to their popularity, these engines have a wide range of spare parts available, which can make maintenance and repairs more straightforward.
Cons of buying a 47518 Pratt & Whitney 985 Cylinder Radial Engine:1. Maintenance and Repair Costs: Radial engines require regular maintenance and can be expensive to repair, especially if you aren't experienced with this type of engine.
2. Finding Experienced Mechanics: Finding mechanics with expertise in radial engines can be challenging, as they are less common than modern inline engines.
3. Size and Weight: Radial engines are larger and heavier than inline engines, which can affect the aircraft's performance and overall weight.
Conclusion:While the 47518 Pratt & Whitney 985 Cylinder Radial Engine has its advantages in terms of power, performance, and historical significance, its maintenance and repair costs, as well as the challenge in finding experienced mechanics, should be carefully considered. If you're an experienced aviation enthusiast or collector who enjoys working on historical engines, this engine could be a rewarding investment. However, if you're looking for a more economical and easier-to-maintain engine, you might want to consider other options.
Recommendation:Before making a decision, conduct thorough research on the engine's condition, maintenance history, and market value. It would also be beneficial to consult with experienced mechanics to understand the potential challenges and costs associated with owning and maintaining this engine. Additionally, consider your specific needs and goals as an aviation enthusiast or collector, as this will help you make an informed choice.