DU-BROs Tru-Spin Prop Balancer is the most precise balancer on the market. Specially designed locking cone securely centers and locks props on to the balancing shaft for utmost accuracy. Pyronix Belle Installation Manual. Each cone is carefully inspected on a calibrator to make sure it is running true. The balancing shaft is manufactured out of hardened material and then is centerless grounded giving precision balance every time. The prop balancer's aluminum wheels turn virtually friction-free for precision accuracy. The DU-BRO Tru-Spin Prop Balancer will balance model airplane props of all sizes and weights, boat props, spinners, car wheels, helicopter rotor heads, jet fans, fly wheels, etc. Each balancer comes complete with easy-to-follow assembly and prop balancing instructions.

A truly precision instrument built for the modeler who expects the very best.

View and Download GREAT PLANES Avistar 30cc ARF instruction manual online. Avistar 30cc ARF Toy pdf manual download. An absolute MUST for safe, satisfying flights. Why take chances? An improperly balanced model-at best-won't be able to fulfill its true performance potential. At worst, it could crash and be destroyed. Why take the risk? Great Planes' inexpensive, easy-to-use CG Machine is the only tool that finds the exact balance without. Dynamic balancing machines, Automatic balancing machines. Shanghai Jianping Dynamic Balancing Machine Manufacturing Co., Ltd. Shanghai Jianping Dynamic Balancing.