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Reduction Boxes and Drive Units
      Reduction Box
   
  Reduction Box For 240 Motor
   
  These reduction boxes are designed for the small 240 electric motor. They will run on 3 to 6 volts
  and are extremely economical. With a 2 to 1 reduction they are surprisingly powerful.
  The stainless steel output shaft is 3.17mm diameter
   
  R60 Reduction Box 240 Complete - Less Motor
  R61 Reduction Box 240 with Fitted Motor
   
  Reduction Box For 380 Motor
   
  These reduction boxes will fit all 380 type motors. Fitted or supplied with twin drive belts
  giving a 2 to 1 reduction these units are quiet running with plenty of torque.
  With suitable speed control they become an efficient power source for your model.
  The stainless steel output shaft is 4mm diameter.
   
  R70 Reduction Box for 380 Motor - Less Motor
  R71 Reduction Box with Fitted 380 Motor
   
  Reduction Unit 380  
   
  Belt driven reduction unit designed specifically for the 380 type motor. The2 to 1 reduction  
  Ratio through the twin belt drive increases torque and is more economical on batteries.
  The stainless steel output shaft extends from both ends of the unit and is 3.17mm diameter
   
  R29 Reduction Unit 380 With Fitted Motor
  R30 Reduction Unit 380 Complete -  Less Motor
   
  Reduction Box For 540 Motor
   
  This reduction boxes will fit all 540 type motors. These reduction boxes are quiet
  running and with a 2 to 1 reduction they have plenty of torque. With a suitable speed
  controller they become an efficient power source for your model.
  The stainless steel output shaft is 4mm diameter.
   
  R80 Reduction Box for 540 Motors - Less Motor
  R81 Reduction Box with Fitted 540 Motor
   
  Drive Units
   
  A drive unit is a complete power source. Just fit a shaft, tube and a propeller that suits your model and
  fix into place in your craft. No need for universal couplings or difficult alignment. Cut a slot in the hull of  
  your model and allowing enough clearance on the underside of the hull for the propeller glue into place.
   It is recommended that you use Loctite 609 to fix tube into unit and support arm.
   
  Drive Unit For 240 Motor  
   
  This 240 power source is a mighty midget. It will move a lot of water and will easily
  turn a 3 bladed 35mm diameter propeller. Using 6 volts with a 2 to 1 reduction the
  thrust from this small unit is amazing. Suitable shafts and tubes are part numbers
  B31D to B37D and suitable propellers are part numbers D21 to D23.
   
  R63 Drive Unit For 240 Motor - Less Motor
  R64 Drive Unit with Fitted 240 Motor
   
  Drive Unit For 380 Motor  
   
  This 380 drive unit is a power source with lots of punch. It has 2 to 1 reduction through
  twin belt pulleys. Shafts and tubes for this unit are part numbers B71 to B79 and
  propellers with an M4 thread can be chosen from the following. P27 to P29, P59 to P61,
   P71 to P73, P83 to P85, T86, T90 to T95, J12R to J17L and J32R to J37L.
   
  R73 Drive Unit for 380 Motor - Less Motor
  R74 Drive Unit with Fitted 380 Motor
   
  Drive Unit For 540 Motor  
   
  With the 540 type motor you get lots of power, lots of torque and lots of speed.
  Suitable shafts and tubes for this unit are part numbers H69 to H72. Propellers with an M5 thread
  can be chosen from the following. Part numbers P13 to P16, P45 to P48, P67 to P69, P79 to P81,
  J20R to J25L and J40R to J45L. Alternatively drive dog shafts and tubes, part numbers H79 to H82
  can be used. Suitable propellers are D31 to D35.
   
  R83 Drive Unit for 540 Motor - Less Motor
    R84 Drive Unit Fitted with 540 Motor