This order consisted of the components that will make up the span of the arm and the connection between it and the servo motors.
Figure P4.1: Breakdown of cost for second material order
* During our observation and brief tests the aluminum tubing displayed excessive strength for the current lifting capacity of the arm.
This would allow for smaller, lighter, and cheaper tubing to be used in the production of future versions.
It is expected that only one more materials order will be needed.
This will consist of nuts, bolts, and other necessary hardware.
The tubing can be found here.
The "L" brackets can be found here.
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