The photographs depicted in figures 1B, 2B, and 3B all show the model for the scoop design in the dune buggy. The #1 represents the actual scoop which will take sediment samples and the #2 represents the gear system for the scoop. The gear system is vitally important to this design to ensure that the actual system works when created. The a worm gera is used because it allows the scoop to come down slowly. However, the act of gearing down has a beneficial trade off: strength. The scoop will be able to return to its resting position after the sample is taken and will be able to hold the weight of the sediment. The scoop design is also important because a sharp edge must be used. A sharp edge on the scoop will allow it to glide easily into the sand when the robot is moving. In addition, the holding part of the claw is tapered so that when it is in theresting position, it can hold the sand until it returns to the operator.
The scale of the model is:
1 inch = 1.5 inches
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