Golfball Launching Gun Golfball Launching Gun from Andrew Joncich Golfball Launching Gun Father posing with his present View of pressure chambers and dual valves. Design allowed for interchangeable barrel Rearview of pressure chambers along with pressure gauge. Mounts for tripod. gLike Golfball Launching Gun Engineering Product Design Share R 7 n Andrew Joncich Mechanical Engineering Intern at Design Concepts, Inc Madison, WI Follow Contact