Blown motors cause serious damage to rubber powered models. A Torque Meter with Blast tube protects the fuselage from blown motors, while providing an accurate measurement of the "power" wound in your rubber motor. Trimming a rubber powered model is ..
OUT OF STOCK - Engineered specifically to interface with the BMJR Torque Meter (or directly to rubber motor with hook provided). This winder has a comfortable pistol grip.E-102 with a 3 1/2 : 1 ratio.