DIY – MOTOR GEARBOX KIT (Set)
Price exGST: $ 11.90
Price incGST: $ 13.09
This unit comes complete with a 3V 12,000 RPM motor. It can be stepped down (with the consequent torque multiplication) up to six times: 12,000 x 12/48 = 3,000RPM; 3,000 x 12/48 = 750RPM; 187.5 x 12/48 = 46.875RPM; 750 x 12/48 = 187.5RPM; 46.875 x 12/48 = 11.72RPM; 11.72 x 12/48 = 2.93RPM. KIT.