Aircraft Tug

For small aircraft, a towbar is sufficient, but for larger aircraft a power assisted tug is necessary for moving the aircraft. Commercially available aircraft tugs are considerably expensive, so many people use small tractors or golf carts to pull their

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Ghost Detector

My dad is fascinated with paranormal investigation shows, so I thought it would be fun to build a ghost detector for a Christmas present. I wanted include to as many features as possible, so the project uses both a raspberry

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Coffee Machine

Most coffee machines look similar because they use a bubble pump design to push hot water into the brew basket. This design is simple and efficient, but it only offers limited control over the temperature of the brew water. Because of

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Coffee Roaster

I started roasting coffee a few years ago using a popcorn popper. The popcorn popper worked fine but I was limited to 3-4 oz. batches. So I decided to build a roaster that could handle 2-3 lb batches. The roaster uses

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