This is a ballista model Robotime 3D Wooden Puzzle Siege Heavy Ballista of an ancient battlefield siege. It scales according to the original ballista, and ancient elements such as loop patterns are added to the appearance. Generally, the bowstring of the crossbow arrow is arc-shaped, and this product uses the arc as the basis, and the bowstring of the crossbow body has been improved to fit the characteristics of the ancient siege equipment.
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Robotime 3D Wooden Puzzle Siege Heavy Ballista
- The base is equipped with a planetary gear structure, which can realize 360-degree rotation, thereby driving the crossbow body and adjusting the shooting position of the crossbow.
- Turn the side handle, the tilt angle of the crossbow body can be adjusted through the gear drive, and the position can be fixed with the ratchet; to adjust the angle down, you need to loosen the ratchet and turn the handle again to adjust the angle.
- Use rubber bands to accumulate force to achieve string tensioning mechanism; hook the bowstring with teeth (hooks), install the arrow in the arrow groove of the crossbow body, adjust the angle of the crossbow body, and pull the trigger to make the “tooth” It retracts, the string is unhooked, and the kinetic energy formed by the rapid rebound of the opened bowstring is used to shoot the arrow.
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