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    Weather Vane with Direction Dial

    3D Printed Parts:
    The Wind Vane, 4 pieces plus propeller, geometry was downloaded from
    GrabCad.com/library https://grabcad.com/library/buoy-7, which I altered.
    The propeller I doubled in size and increased the thickness so that supports could be removed without breaking the blades.
    The bevel gears were also downloaded from Grabcad.com/library, which I altered.
    https://grabcad.com/library/coaxial-rotor-gearbox-1

    The rest of the parts I designed from scratch.

    The .stl files were exported with a fine tolerance so the threads would print well.
    Also, for the threads to work smoothly, add +.12mm for hole compensation for the threads in the X, Y, plane. You probably could also wood or metal screws if you can’t find any #8-32 screws.

    Purchased Hardware:

    1. Board, 1” min. thick by 10” x 14”
    2. 2 x 4, Dim. 1.5” x 3.5” x 8.0”
    3. Strut, Pole, or 2 x 4 to mount Wind Vane.
    4. Wood screws to mount 2 x 4 to board
    5. 10 x 3” wood screws (2 - req’d) to attach “Direction Arrow Bracket”
    6. 10 x 1” wood screws (4 - req’d) to attach “Direction Bracket”
    7. 10 x 1 ½” wood screws (6 – req’d) to attach “Bracket for Wind Vane”
    8. 8-32 x 3/8” set screws, or short screws (2 – req’d) for “Bevel Gears)
    9. 8-32 x ½” screws (4 – req’d) for “Bearing Cover”
    10. 8-32 x 5/8” screws (10 – req’d) 6 for “Bevel Gear for Dial”
      4 for “Extended Covers”
    11. 8-32 x ¾” screws (10 - req’d) to screw together “Wind Vane”
    12. 8-32 x 1” screws (12 – req’d) 8 screws for “Bracket for Wind Vane”
      4 screws for “Arrow Cap Cover”
    13. A couple of metal washers for 8mm O.D. aluminum tube, adjust thickness to fill space between direction dial cover and bearing retaining cap.
      Link: Amazon fidget bearings
    14. Bearings (4—req’d): 8mm ID x 22mm OD x 7mm thick. I used Fidget spinner bearings, which are common bearings you can get on Amazon.
    15. Aluminum tube (2 – req’d) 8mm OD x 300mm, Cut one for Wind Vane to 205mm (Min.) 230mm (Max.) length
    16. Aluminum tube (1 – req’d) 10mmOD x 8mm ID x 150mm long

    YOU CAN ALSO DOWNLOAD MODEL DATA WITH DETAILED DRAWINGS AND INSTRUCTIONS AT
    https://grabcad.com/library/wind-vane-with-direction-dial-3d-printable-1/details?folder_id=14105894