Project introduction:
Tanks are a kind of tracked vehicles, completely different from cars.
The crawler is driven by a set of hydraulic drive gears. The biggest difference between the crawler tank and the car is the steering principle. The steering of a tracked vehicle is completely different from that of a wheeled vehicle. Because the wheels are all covered by the track, the steering cannot be achieved with wheels at all, which requires the use of dual-stream transmission.
To put it simply, the tracks on both sides rotate in different directions. When turning, two independent driving sources transmit power to the two tracks respectively. One track can be rotated forward and the other track can be rotated backward to realize the free steering of the track on the ground. , that is, the center turn.
For a clearer explanation, watch the youtube clip.
List of materials:
- 2 pieces of wood/hard cardboard
- 4 big wheels
- 6 small wheels
- 4 axles
- 1 motor
- 1 battery box
- 2 rubber bands
Instructions
Step
Make the base
Use hard cardboard or wood to cut or cut out the shape of the base according to the shape in the picture, and then piece it together to form the bottom of the tank. Then stick the battery case on the bottom and the motor on the top.
Step
join the wheel
Add the axle core and the wheel to the pre-arranged position of the base to become the roller. Tanks will have more rollers, a total of 6.
Step
add rubber band
The last step is to add a rubber band to the roller and you are done.
Can drive with the battery plugged in.
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