PLEASE SELECT THE DESTINATION COUNTRY AND LANGUAGE :
| Self-production |
| 한국 |
| $29.75 |
| ＄170.00 |
| P00000QD |
  |
| Select item with details above |
| Name | Quantity | Price |
|---|---|---|
| Dancing Clock / Set of 5 / Automata / Science Books / Science Diocese |
|
29.75 ( 170.00)
|
Discounted amount of your subtotal will appear when you place your orders.
A device that moves at regular intervals
"Dancing watch"
Material
Board, Glass, Nylon, Wood, Steel, Rubber
Components
Floor board, Board washers, Cog wheel A, Cog wheel B, Hour hand, Hour hand support, Support A, Support B,
Wood stick(A,B,C), Washer weight, Bead weight, Rubber ring(A,B), Square rubber, Thread, Hook hanger, Screw
Create a watch that moves at regular intervals using gravity and cog wheels.
You can learn scientific knowledge about gravity and the orbit of the earth by making an automata dancing watch.
1 step. Given problems
2 step. Make a dancing watch
1. Insert a screw into the top hole of the bottom board and fix it with rubber ring B.
2. Fit the hole of the washer on the rubber ring B and fix it.
3. Fit the hole of cogwheel A into the washer weight.
4. Secure the rubber ring B to the screw that rises above the cogwheel A.
5. Cut about 20 cm into the holes of the wooden stick A, sew the remaining thread and tie it.
6. Insert one hour hand support on each side of support A.
7. Insert bar A into support A. Then insert support B and fix it with hour hand support.
8. Insert the bar C across the bottom of the hour hand support.
9. Secure the rubber rings A on each side of the wooden stick C.
10. Put a square rubber on the bottom of wooden stick A.
11. Align the center hole of the cog wheel B under the square rubber and insert it.
12. Insert the assembled support into the groove on the floor board.
13. Adjust the position and height so that cogwheel B engages well with cogwheel A, with cogwheel B slightly raised.
14. Place the hourglass with the square rubber on top of the wooden stick A to the middle.
15. Fit the board washer over the inserted hour hand.
16. Thread the other end of the thread tied to the wooden stick A into the hole of the hook hanger.
17. Insert wooden stick B into the hole on the left end of the floor board and fix it with square rubber.
18. Insert the board washer on the wooden bar B and wind the thread on the wooden bar A.
19. Thread a 20cm cut thread into the beads weight and insert the long end into the hole of the hour hand board.
20. Thread the thread into the groove at the tip of the hour hand and fix it firmly.
21. Place a dancing watch on the edge of your desk to allow the weight to fall to the floor. Hang 1-2 washers weight on the hook.
22. Dancing watch complete! Adjust the number of weights and observe the movement of the cog wheel and the hour hand.
23. When not in use or when rewinding all loose threads, insert the thread of the bead weight into the groove on the edge of the hour hand as shown in the photo.
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