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Nik Harrison

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Everything posted by Nik Harrison

  1. Nik Harrison
    First flight was with no cowlings to guarantee good cooling.
  2. Nik Harrison
    First landing pointed out a weekness in the ucart. Easily fixed and had no problem since.
  3. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  4. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  5. Nik Harrison
    Yellow silicon tube connects both exhaust tubes together.
  6. Nik Harrison
    Building up top of nacelles.
  7. Nik Harrison
    Sheeted top was then cut open to make removable cover.
  8. Nik Harrison
    Tail has strips of paper glued on so that when tissue covered it looks like fabric. Same on rudders and ailerons.
  9. Nik Harrison
    Coming along nicely.
  10. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  11. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  12. Nik Harrison
    Ucart leg also works the ucart doors.
  13. Nik Harrison
    Wheel takes up most of the nacelle.
  14. Nik Harrison
    First exhaust pipe is only for the oil breathe. It's blocked from the exhaust proper.
  15. Nik Harrison
    First fit of cowlings.
  16. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  17. Nik Harrison

    Basic wing.

    Nik Harrison posted a gallery image in Member Albums

    Basic wing.
  18. Nik Harrison
    Shows flap movement.
  19. Nik Harrison
    This is about as much flap as I used.
  20. Nik Harrison
    Home made undercart to allow 110deg rotation. Part metal and part ply. Air up/air down.
  21. Nik Harrison
    Ucart was strong enough and has always locked down correctly.
  22. Nik Harrison
    Building up nacelles. Bottom part was removable for access to ucart.
  23. Nik Harrison

    Nik Harrison posted a gallery image in Member Albums

  24. Nik Harrison
    Note flap section of nacelle rotates into nacelle.
  25. Nik Harrison
    A very easy way to understand the 3-phase problem is to use an equilateral triangle.  One with all three sides the same.  Each phase wire from the ESC to the motor can be numbered 1, 2 & 3.  This will represent the order the phases switch.  Draw a triangle on a piece of paper and place the numbers 1,2 & 3 on the points of the triangle.  Just place them randomly.  Now count from 1 to 3 and the direction you count round the triangle will be clockwise or anti-clockwise.  That is the direction the prop will go. To change direction, interchange any two numbers - example swap 1 & 2.  The direction will now be the opposite way round.  Easy eh!
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