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Chapter 13

Page 10



  1. Mark 3 -points on the PCB. The three points must form an equilateral triangle. The center of this triangle will be the center of rotation of the propeller. Using a stencil will be good idea.
    (Please click on an image to enlarge)
    Mark equilateral triangle

  2. A Stencil
    Stencil

  3. Re-check the markings
    Re-check Markings

  4. Drill holes
    Drill holes

  5. Drill holes
    Drill holes

  6. Mark the shape of the propeller
    Mark the shape of propeller

  7. Cut in shape of propeller
    Cut in the shape

  8. Smoothen the edges
    Smoothen edges

  9. Ready for re-assembly
    Ready

  10. Fasten the propeller to the rotor-coil. Remember the three bolts on the rotor-bobbin.
    Fasten nut bolts



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