This model Diesel airplane engine displaces just over .049 cubic inches or .81 cc. The bore is .335″ and the stroke is 0.50″. Ralph is an old friend of Joe Martin’s and an exceptional craftsman. The quality of his work was always an inspiration for Joe throughout his career.

The Cooney .049 Diesel model airplane engine.

Exhibit added: January 15, 2013 - Last modified: April 5, 2023

Presented by The Joe Martin Foundation for Exceptional Craftsmanship