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Mechanical Engineering projects 3

Machines, mechanisms, thermal systems and design projects, many of them buildable with hand tools or free CAD.

3 Mechanical Engineering projects

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.

Working ModelHousehold materialsFull guide

  • Easy
  • 1–2 weeks
  • 250–500

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.

Engineering DesignHousehold materialsFull guide

  • 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.

ExperimentHousehold materials

  • Easy
  • 1 day
  • Under 250

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