Mechanical Engineering · Fluid Systems
Design a hydraulic arm from syringes
Build a three-joint arm moved by water-filled syringes that picks up and places an object.
- Easy
- 1–2 weeks
- 250–500
606 projects · 13 streams · every class
Mechanical Engineering projects 6
Machines, mechanisms, thermal systems and design projects, many of them buildable with hand tools or free CAD.
6 Mechanical Engineering projects
Mechanical Engineering + Physics
Build a mousetrap car and maximise its distance
Power a car with one mousetrap spring and tune the lever and wheels for distance.
- Easy
- 2–7 days
- 250–500
Mechanical Engineering · Machines
Reduce friction in a simple machine
Measure the force to pull a load with sliding, rollers, wheels and lubricant, and compute efficiency.
- Easy
- 1 day
- Under 250
Mechanical Engineering · Machines
Design a gearbox and measure its speed ratios
Build a two-stage gear train and check the measured ratio against the tooth counts.
- Intermediate
- 1–2 weeks
- 250–500
Mechanical Engineering · Fluid Systems
Build a model of a gear pump or centrifugal pump
Make a small centrifugal pump from a motor and a bottle cap and measure its flow at different heights.
- Intermediate
- 1–2 weeks
- 500–1,000
Mechanical Engineering + Environmental Science
Build a solar water heater
Make a flat-plate collector from black tubing and measure how much heat it captures.
- Intermediate
- 1–2 weeks
- 500–1,000
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