TWINDIAN

More unusual motorcycles...believe it or not, this is a Period Special. It was built sometime before 1924 here in the Bay Area, by a machinist named Bill Arnold, who worked for the Friden Calculator Co of San Leandro.The bike consists of two 1915 Indian Powerplus engines, united by a shaft between the two cranks, and running on a single inlet manifold with a Shebler carburetor. All the running