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ROTARY PENDULUM KIT
This apparatus is used to investigate oscillation as damping is varied.
Free, forced and chaotic oscillation may be generated.
The resonator consists of a wheel with spokes, made of sheet copper and mounted on ball bearings,
with a flat spiral spring.
The resonator is excited by means of lever mechanics, using a drive motor connected to a cam.
Rough or fine adjustment of motor speed is possible. Damping is provided by an eddy current brake.
Surrounding the resonator is a scale shaped like a ring.
Slits in the scale and pointers on the resonator and exciter lever can be used to project shadows for better visualising how the experiment works. Apparatus mounted on a base plate.
Motor power supply: 24 V DC, min. 600 mA
Damping unit power supply: 0 – 12 V DC, continually variable
Dimensions: 400 x 140 x 270 mm
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