Step 1: You Will Need:
Lego mindstorms nxt 2.0
pair of hands
usb cable from your nxt kit
the nxt software on your pc
Step 2: Step 1
First build the multi bot from this website
then attach the tracks instead of the rubber wheels
Step 3: Step 2
Build half of the chainsaw from this website:
Start from section 6
look carefully at the gearing ratio
Step 4: Step 3
Attach the chainsaw onto the body, you can do it anyway you want.
Step 5: Step 4
Put sensors on, such as the ultrasonic and the colour sensor.
link up all the wires into the correct position.
Ultrasonic sensor-port 4
Colour sensor -port 3
steering motors(from front view) right-Port c
chainsaw motor-port a
then you are done making the robot!
Step 6: Step 5
modify and use the shooterbot program
modify the move block on the top right corner to 10 or 20 rotations.
Step 7: Step 6
Connect your chainsaw tank to your computer with the usb cable, then click download!
If you have any problems just comment below:)