LEGO Mindstorms Llama Manual

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Llama

Llamas actually do spit—which you will learn first-hand of you scare or anger one of these

animals in person. This robots spits balls with a Zamor shooter.

At the end of these instructions, you'll find some variations of this model—two of them

reduce torque on the front wheels, one is a model built with the competition cannon found

in the Education Resource Set Supplemental (sold by LEGO Education).

There is also a simple idea for making your llama look even more like a real llama.

My thanks to Dave, Steven and Andrew Parker for their helpful input. (Photo credit: Dave Parker)

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Page 1 Education Resource Set Supplemental (sold by LEGO Education). There is also a simple idea for making your llama look even more like a real llama.
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Page 19 llama.rbt This is a simple program to get you started. It assumes you will run the wheels in Port B and C with the remote control. Unfortunately, the remote control seems to inhibit the shooter, and may not always shoot at close objects, if you are using the remote control. Wait Block LOOP Motor Block...
Page 20 You may find that the front wheels of the llama are prone to come off with a lot of turning and twisting. You can reduce this torque by removing the front tires and allowing the to run on the gray wheels. (Without the rub- ber tires there is less drag.) Simply removing the tires will work, but the llama form is somewhat lost.
Page 21 Beyond the Box—A A ball caster allows the robots to move more freely. This is jut one example of how you might create one. The top of the ball caster (left) is formed by two axles with an axle joiner in the middle. The addition of the joiner gives just enough push so that the robot rolls on the ball, rather than sliding on the supports.
Page 22 Beyond the Box—B This colorful character demonstrates how I might replace the Zamor Shooter with the competition cannon, which is found in LEGO Education’s Resource Set Supplemental. The red beam holds the trigger for the dart. As you can see, I’ve also...