View Full Version : Roberts 6X 100 hp

06-18-2012, 01:14 PM
Does anyone know the identification of this prop used with a Roberts 6X Marine/Aviation 2-cycle engine of 100 hp? Currently, it is installed on the 1914 Ingram-Foster biplane displayed at the Albuquerque Air Terminal

06-18-2012, 04:51 PM
Can you get a close up of the hub? Did Roberts use 5 bolt holes?