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KF 4 Build Photos

Pictures of my 2003 vintage classic 4 build.
  1. Top view.
  2. Bottom view.  Used countersunk rivets for frame.  Also, AN509 CS screws to mount servo's vertical bracket.  No protrusions to touch steel frame. ...
  3. Stab covered and rib stitched
  4. Servo Location - perfect geometry.
  5. Location relative to seat.  Mount plate with solid straps (no rubber) to make mount as stiff as possible.  Compliance not good in a servo control...
  6. Bracket stiffener gives positive arm retention.
  7. Another bracket view.
  8. Tail Ribs
  9. Microballoon caps
  10. After some smoothing
  11. cap on end of stab
  12. stab 1/2 covered
  13. April 10: Fitted quick drain on header tank.
  14. April 10: Mystery Part.  1" cylinder with a hole????
  15. April 10: Clamping up lower stringer.
  16. April 10: Rear of lower stringer rests in a pocket in front of the tail spring bolt tube.
  17. April 10: Another stringer view.
  18. April 10: Right side (bottom view) of my stub intakes for the HKS.  These clear my motor mount.  There's a guy in South Africa who cast these for his...
  19. April 10: Left side.  This one had to be cut to change the angle enough to clear a motor mount tube.  A friend welded it for me.  It looks a bit...
  20. March 30: More rib fitting and cleaning.
  21. March 29: More time spent cutting holes.
  22. March 27: Fitted the ribs to the rudder.  I left them a bit long and then notched the trailing edge to fit with a rat tail file the same diameter as...
  23. March 27: Added some scrap plywood to front of bottom stringer.  Idea is to add some area to allow epoxy more grip to vertical surface of rear LG...
  24. March 27: Aileron push-rod bell-crank. The floor *must* be held down here or the bell-crank will catch on it.
  25. Bottom view.
  26. Sheet metal bracket to go around LG support.
  27. Bottom view.   Assembled with 3/32 flush rivets.
  28. Provides attachment for fabric and support for lower stringer.
  29. Rear LG support
  30. Rear LG support.
  31. Frame with grove gear and 8" wheels with Kingfox tires.
  32. Rear LG support.
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