- A 12-horsepower, propane-fueled engine drives three generators, which charge three 450-amp batteries, salvaged from an industrial floor scrubber. Many of the other parts, including the shoulder joints and LEDs, came from eBay.
- Lawlor pushes the throttle forward to engage the variable-speed analog drive, which turns a 250-pound drive shaft to propel Raffe ahead.
A pneumatic pump raises and lowers the eight-foot neck.
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