The Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary is an exceptionally rare aviation powerplant that represents a unique chapter in rotary engine and experimental aircraft history. Built in 1985 and preserved as new old stock, this engine has never been run and has remained in storage since new, making it a remarkable opportunity for aviation enthusiasts, rotary collectors, aircraft builders, and Mazda rotary specialists.

Developed around Mazda’s legendary 12A rotary platform, the DR200R was engineered specifically for aviation applications, combining the compact design and smooth operation of a rotary engine with purpose-built aircraft components. Producing approximately 200 horsepower at 8,100 RPM, this engine delivers impressive power while maintaining a relatively lightweight package.

Whether you’re restoring a period-correct experimental aircraft, seeking a unique collector’s piece, or exploring a custom rotary-powered aviation project, the Duncan Aviation DR200R Dual Rotor Aircraft Engine Based on Mazda 12A Rotary offers unmatched rarity and historical significance.

This engine has been carefully preserved, periodically oiled internally, and remains sealed from storage. It turns freely by hand with even compression pulses, and documentation from Duncan Aviation is included.