RC Balsa USA 1/4 scale Sopwith Pups Formation Flying
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Western Flyers held a Fun Fly at club field located near Mead, Nebraska. Larry Inness and I flew our 1/4 scale Sopwith Pups (BUSA) in a loose formation. Each Pup powered by Zenoah G26 swinging 16x8 props. Weight each approximately 15 pounds.