This Technopower 7-cylinder radial engine (SN B7-151) was manufactured by Technopower Engines, IL, in the 1980s. The engine is 7″-long, 8″-wide, 7″-high, and weighs 2 lbs. 8 oz. Courtesy of Greg Allen.

Exhibit added: August 1, 2011 - Last modified: December 30, 2022

Presented by The Joe Martin Foundation for Exceptional Craftsmanship