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Why Only One WACO RPT Was Made

The aircraft was not selected for a military contract, and we found out why.

Resembling a Fairchild PT-23, the sole WACO RPT was fitted with a canopy and a more powerful engine after it was purchased by a private individual. [Photo: Jason McDowell]
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Key Takeaways:

  • The WACO RPT was a rare monoplane prototype from 1940, one of only three monoplanes ever built by the predominantly biplane manufacturer WACO.
  • Intended for a U.S. Army Air Force training contract, it was not selected due to poor takeoff and climb performance caused by an anemic original engine, though it handled well otherwise.
  • After military rejection, the RPT was privately owned and modified with a more powerful engine and canopy, but remained largely unused for decades before being acquired by the WACO Air Museum in 2018 for display.
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Mention the name WACO, and most naturally envision the sturdy biplanes that were built from 1920 to 1947 and put back into production in 1983. Equipped with open cockpits and radial engines, the majority of Wacos exemplify the classic biplane. Of the thousands built, every example except three were biplanes. 

The three monoplanes that were produced were each significant departures from WACO’s winning biplane formula. In 1920, the WACO “Cootie” parasol monoplane was built, flown, and crashed. In 1947, the WACO Aristocraft was built, a bizarre-looking, high-wing monoplane with a front engine that drove a tail-mounted pusher prop via a series of drive shafts.

Jason McDowell

Jason McDowell is a private pilot and Cessna 170 owner based in Madison, Wisconsin. He enjoys researching obscure aviation history and serves as a judge for the National Intercollegiate Flying Association. He can be found on Instagram as @cessnateur.

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