[2] The Model 45 flew for the first time on June 28, 1933[2] and showed promising performance achieving an average speed of 264.703 mph on a 100 km closed course.

[2][3] On June 24, 1934, Jimmy Wedell died in an accident while piloting a Gypsy Moth on a flying lesson.

[2] Company co-founder Harry Palmerston Williams and chief test pilot, John Worthen were both killed on May 19, 1936 in a crash.

[2] After the death of Williams, the Model 45 was donated to Louisiana State University, where it eventually disappeared, its final fate unknown.

[2] A full-scale replica Model 45, constructed by Jim B. Clevenger of Kissimmee, Florida, is on display at the Wedell-Williams Aviation & Cypress Sawmill Museum in Patterson, Louisiana.