Hydraulic Crane

Supplies:

8 x 10 ml syringes

4mm vinyl tubing (about 4 meters)

1 x metal skewer (to make holes)

Wooden skewers

Double wall cardboard

1 AAA battery (old, for base hinge)

Wire

Coloured water

12 x Wide craft sticks

Duct Tape

20 x Cable ties

Super glue

Hot glue

Parts (as numbered on templates below):

  1. Rotating Base: square 10 cm x 10 cm
  2. Forearm x 2: 20cm x 4 cm
  3. Arm x 2: 26cm x 4 cm
  4. Supporting platform for arms x 2: 9 cm (base) x 15 cm (height) x  5 cm (top) x (about) 16 cm (diagonal)
  5. Bottom base spacer x 2: 4×2.5.
  6. Big Spacers x 6: 2cmx2cm
  7. Small Spacers x 4: 1cm x 1 cm
  8. Gripper Body: 10 cm x 2 cm (rectangle), 5.5 cm each side of top triangle.
  9. Gripper Arm
  10. Gripper clamp
  11. Bottom base: A4 paper size
  12. Controls base: A4 paper size +
  13. Controls base: ½ A4 paper size to raise syringesLever spacers x 5

Click below to download PDF with template and instructions: 

Hydraulic-CraneDownload