WMD-9600 Demonstration Wave Machine Complete Set


The Wave Motion Demonstrator allows mechanical waves to be created to demonstrate the behavior and properties common to many types of waves.

How It Works

A series of steel rods is attached at their centers to a torsion wire. When a rod is displaced and released, a wave propagates along the rod. Velocity depends on the torsion constant of the wire and the moment of intertia of the rods.

Wave Demonstration

  • Wave Propagation
  • Velocity in Different Media
  • Wavelength versus Velocity and Frequency
  • Reflection at Fixed and Free Boundaries
  • Constructive and Destructive Interference
  • Standing Waves and Resonance
  • Reflection and Transmission at Media Boundaries

Wave Motion Demonstrator – Complete Unit


  • 2.3 Meters Long – plenty of room to watch the wave develop and interact
  • Three Wave Sections – each section has rods of different lengths, allowing reflection and transmission demonstrations
  • Folds for compact storage
  • Easy setup


  • Module 1: 92 cm long with 72 rods each  46 cm long
  • Module 2: 92 cm long with 72 rods each 23 cm long
  • Module 3: 60 cm long with 47 rods, 46 cm long at one end, 23 cm long at the other end
  • Clamp for rigid termination
  • Dash Pot for liquid damping
  • Manual


Additional information

Weight 52 lbs
Dimensions 42 × 22 × 5 in
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