Despite a prior failure causing a crash, money shortages prompted Crosby to reuse the Menasco C6S-4 engine from his former racer.

The triangular wings featured a straight leading edge with a long chord tapering to a point at the wingtips.

[3] Copper filings found later in the line, combined with wind resistance prevented one leg from locking.

[4] The first flight was performed in April 1938 at Mines Field with severe aileron flutter and a wheel collapse on landing.

Lester donated the airframe to the EAA Airventure museum in Oshkosh, Wisconsin, where it was restored and placed on display.