The SBR Thor 4″ kit was designed by Scott Binder. The kit features laser-cut parts, convenient integral electronics and payload bays, and the CAM1 Camera/Altimeter Mount. The Thor also features a 54mm motor mount for flying larger, high-powered motors. Features: laser-cut 1/4″ aircraft quality plywood fins, high strength airframe tube and couplers, centering rings, bulkhead plates, high-quality hardware package, 54mm motor tube, plastic nosecone, fin … Continue reading The Anonymous Beard Rocketry: SBR Thor Build and NAR Level II Certification