The 450 Stearman, also known as the Stearman Model 75, is a classic biplane widely recognized for its robust construction and role as a military trainer during the 1930s and 1940s. It served as the primary trainer for the U.S. Army Air Forces and Navy, helping train thousands of pilots during World War II.
Powered by a powerful 450 horsepower radial engine, the Stearman 450 variant was renowned for its strong performance, rugged design, and excellent handling characteristics, making it ideal for advanced flight training and aerobatic instruction. Even after its military service, many 450 Stearmans found new life as crop dusters and sport aircraft.
Today, the 450 Stearman remains a beloved vintage aircraft, frequently seen in airshows and flown by enthusiasts who appreciate its classic biplane styling and historic significance.
450 STEARMAN NOTES
A powerful trainer biplane with a 450 hp engine, the Stearman Model 75 was a cornerstone of pilot training and is iconic for its rugged durability and timeless design.
PRODUCTION
• Number Built: Over 10,000 (all variants)
• Year Produced: 1934–1945
• Serial Number: 450-75-1234 (Example)
MEASUREMENTS
• Length: 24 ft. 9 in.
• Wingspan: 32 ft. 2 in.
• Empty Weight: 2,600 lbs.
• Loaded Weight: 3,800 lbs.
• Engine: Continental R-670 radial / 450 hp
PERFORMANCE
• Cruising Speed: 124 mph
• Max Speed: 146 mph
• Range: 505 miles
• Ceiling: 13,200 ft
• Rate of Climb: 1,100 ft./min.
ARMAMENT
• None – Primarily used for training and sport flying
