The 2020 Stewart S-51 Mustang: A Remarkable Low Hours & Aerobatic Replica

The 2020 Stewart S-51 Mustang is an exquisite example of a low hours and aerobatic replica, embodying a perfect blend of historical reverence, modern engineering, and exceptional performance. This article delves into the history of the Stewart S-51 Mustang, its unique features, and its standing as an exceptional low hours, aerobatic aircraft, this bird is practically new. Owning one of these machines is only for the thrill seeking military aviation buff, learn how you can buy this incredible one of a kind machine during Airventure.

Historical Background

The Legacy of the North American P-51 Mustang

The North American P-51 Mustang is one of the most iconic fighter aircraft of World War II. Renowned for its speed, agility, and range, the P-51 played a crucial role in securing air superiority for the Allies. Jim Stewart’s vision to create a ¾ scale replica of this legendary aircraft was driven by a desire to provide enthusiasts with a more accessible and manageable version of the P-51, while retaining its distinctive performance characteristics and aesthetic appeal.

The Genesis of the Stewart S-51 Mustang

Jim Stewart’s journey to create the S-51 Mustang began in the late 1970s. With a focus on achieving a 70% scale of the original P-51, Stewart aimed to strike a balance between cockpit comfort and the iconic design elements of the original Mustang. A significant challenge was sourcing an appropriate engine that could deliver the necessary horsepower within the constraints of a smaller airframe. The Chevrolet Big Block V8 engine emerged as the ideal candidate, providing the required power and reliability.

Evolution and Refinement

Over the years, the design and engineering of the Stewart S-51 Mustang underwent continuous refinement. Key elements, such as the propeller speed reduction unit (PSRU) and the cooling system, were meticulously designed to optimize performance and reliability. The result is an aircraft that not only pays homage to the original P-51 but also incorporates modern technological advancements to enhance safety and efficiency.

The 2020 Stewart S-51 Mustang: An Overview

Airframe

The 2020 Stewart S-51 Mustang, with registration number N1944K and serial number 156, boasts a meticulously crafted airframe that mirrors the design of the original P-51. With a total aircraft time of just 14 hours, this Mustang is essentially new, offering an unparalleled flying experience. The airframe’s modern construction ensures both durability and performance, making it a standout in the realm of amateur-built experimental aircraft.

• Total Time: 14 hours
• Fuel Capacity: 102 gallons
• Stall Speed: 73 knots
• Range: 700 miles
• Cruise Speed: 230 knots at approximately 23 gallons per hour

Engine

At the heart of the S-51 Mustang is a Keith Black Performance 540 Cubic Inch Chevrolet Engine. This powerhouse is designed to deliver robust performance, echoing the raw power of the original P-51 while incorporating modern enhancements for reliability and efficiency.

• Engine Total Time: 14 hours since new (SNEW)
• Serial Number: 003

Propeller

The aircraft features a Hartzell 4-blade propeller, model HCB4TN3-1, specifically designed for experimental use. This propeller ensures optimal thrust and performance, contributing to the aircraft’s impressive aerobatic capabilities.

• Model: HCB4TN3-1
• Hub Model: Experimental

Avionics

The 2020 Stewart S-51 Mustang is equipped with a state-of-the-art avionics suite that combines functionality and precision, ensuring a safe and efficient flight experience. The Apollo SL60 GPS/COMM system provides accurate navigation and reliable communication, essential for both casual flying and aerobatic performances. Complementing this, the Terra TRT 250D Transponder and TN 200D Nav Receiver enhance the aircraft’s navigational capabilities, ensuring seamless operation in various airspace environments. The avionics suite also includes a comprehensive set of gauges and indicators, such as the airspeed indicator, altimeter, manifold pressure gauge, and vertical speed indicator, providing the pilot with critical flight data at a glance. These features, combined with the attitude indicator, turn coordinator, and heading indicator, ensure that the S-51 Mustang is well-equipped for both VFR and IFR operations, making it a versatile and dependable aircraft for any

Exterior

The exterior of the S-51 Mustang stays true to the vintage paint scheme of the original P-51. The gray body, accented with black, white, yellow, and green, ensures the aircraft stands out while paying homage to its historical predecessor. The recent build ensures the exterior is in pristine condition, ready to capture the attention of any aviation enthusiast.

Interior

Inside, the S-51 Mustang features an impeccably clean and appealing military green interior. The panel is sharp, with black instruments providing a striking contrast. A brown leather seat offers comfort, while a green 5-point harness keeps the pilot and passenger securely in place during thrilling aerobatic maneuvers.

Additional Features

The Stewart S-51 Mustang comes with several additional features that significantly enhance its performance and reliability. A custom water pump capable of pumping 70 gallons per minute ensures efficient cooling, crucial for maintaining optimal engine performance during extended flights and aerobatic maneuvers. The aircraft is also equipped with an AirFlow Performance FM300 mechanical fuel injection unit, which delivers precise fuel management, contributing to the engine’s efficiency and responsiveness. These additional features, combined with the aircraft’s robust construction and modern design, make the S-51 Mustang not only a tribute to the original P-51 but also a high-performance aircraft in its own right. These enhancements ensure that the Mustang can handle the rigors of both everyday flying and the demanding conditions of aerobatic flight, offering an unparalleled flying experience.

Auction Details

The upcoming auction of the 2020 Stewart S-51 Mustang presents a rare and exciting opportunity for aviation enthusiasts and collectors to acquire a meticulously crafted, low-hours replica of the iconic P-51 Mustang. Scheduled to take place from July 17 to July 24, 2024, this auction will allow bidders to vie for this exceptional aircraft, which boasts only 14 hours of total flight time. The starting bid is set at $275,000, reflecting the aircraft’s pristine condition and advanced features. A buyer’s premium of 4% will be applied to the final bid price, and a deposit of $5,000 is required to participate in the bidding process. This auction not only offers the chance to own a piece of aviation history but also to acquire a high-performance aircraft that delivers an extraordinary flying experience. Whether for personal use, airshows, or as a standout addition to a private collection, the S-51 Mustang is sure to captivate and inspire its new owner.

Why Bid on the S-51 Mustang?

Low Hours

With only 14 hours of total time, this aircraft is essentially new. The minimal usage ensures that the aircraft remains in pristine condition, offering potential buyers a unique opportunity to own a virtually new aircraft at a fraction of the cost of a new build.

Aerobatic Capabilities

The S-51 Mustang is designed with aerobatic performance in mind. The powerful Keith Black Performance engine, combined with the Hartzell 4-blade propeller, provides the thrust and agility required for advanced aerobatic maneuvers. This makes the S-51 Mustang not just a showpiece, but a high-performance aircraft capable of delivering thrilling flight experiences.

Historical Replica

This aircraft is a faithful ¾ scale replica of the legendary North American P-51 Mustang. It embodies the spirit and design of the original while incorporating modern advancements to enhance performance and reliability. Owning this aircraft allows enthusiasts to connect with aviation history in a tangible and exciting way.

Conclusion

The 2020 Stewart S-51 Mustang, with its low hours and aerobatic capabilities, is a remarkable aircraft that combines historical reverence with modern engineering. Its upcoming auction presents a unique opportunity for aviation enthusiasts to own a meticulously crafted, high-performance replica of the iconic P-51 Mustang. With its powerful engine, advanced avionics, and stunning design, the S-51 Mustang stands as a testament to Jim Stewart’s vision and dedication to aviation excellence. Whether for everyday flying or thrilling aerobatic maneuvers, this aircraft promises an unparalleled experience, making it a prized addition to any collection.