This 1/4 scale OLDS stationary engine was made by Ron Schindele, of AZ, in 2019. The engine alone measures 7-1/2-inches long, 6-inches wide, 5-3/8-inches high, and weighs 7 pounds on the cart. It has a 7/8-inch bore, a 1-1/8-inch stroke, and swings 4-1/4 diameter x 3/4 wide flywheels. It is made from aluminum castings, iron flywheels and head, and steel and brass bar stock.