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Wave Motion Apparatus - 18 Pulleys

Product Code : SCL-PLE-11617

Quick Answer: The Wave Motion Apparatus – 18 Pulleys is a hand-turned wave motion kit for schools in which 18 eccentric cams drive 18 vertical rods with highlighted tips, turning rotary motion into a travelling sine wave along a 480mm frame.

Last updated: 18 October 2026

Key Features

  • 18 eccentric plastic cams/discs drive 18 vertical rods.
  • Rod tips highlighted for visibility.
  • Hand-driven rotary handle.
  • Simulates both longitudinal and transverse waves.
  • Degrees scale for reading rotation angle and phase.

Technical Specifications

SpecificationValue
Cams18 eccentric plastic cams/discs
Rods18 vertical rods with highlighted tips
DriveManual rotary handle
Wave typesTransverse and longitudinal
ScaleDegrees scale for rotation angle/phase
Length480mm
MaterialsIndustrial plastic with metal base parts

How It Is Used

Turning the handle rotates the cams, so the rod tips rise and fall one after another and a sine wave appears to move along the row. The degrees scale lets students relate the phase difference between neighbouring rods to the shape and motion of the wave.

Frequently Asked Questions

Does the Wave Motion Apparatus – 18 Pulleys show longitudinal waves as well as transverse?

Yes. Its 18 cam-driven rods can simulate both longitudinal and transverse waves, worked by turning the rotary handle.

Related Physics Lab Equipment

See the full physics lab equipment range, or these related wave motion apparatus:

Export enquiries for the Wave Motion Apparatus - 18 Pulleys are welcome from buyers in Fiji, South Korea, Botswana, Kazakhstan and United Arab Emirates.

For a quotation on the Wave Motion Apparatus - 18 Pulleys, contact JLab India on +91-8569909696.

   
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