This Nash 25 HP vertical twin engine was designed by Doug Kelley, and built by Ramon Hoagland, of Colorado, in 2018. Ramon used Doug Kelley plans to build this 1/18 scale model of the NASH 25 HP vertical twin. It is a water-cooled single throw, alternate firing two-cylinder with a bore of 1”, and stroke of 1.3”. Designed to burn gasoline on spark ignition, it swings a pair of 7-112-inch flywheels at a relatively low rpm. 

Exhibit added: March 31, 2019 - Last modified: March 29, 2023

Presented by The Joe Martin Foundation for Exceptional Craftsmanship