The apparatus consists of a spring loaded rubber slider mounted on a pendulum arm. The arm can be adjusted vertically from a rigid support column.
The basement has three adjustable feet which is stable while operaing directly on a road surface.
Pendulum | 1500±30g |
Distance between rocking centre and center of gravity | 410±5mm |
Positive static pressure on pavement | 22.2±0.5kN |
Packing | plywood case or alum. case |
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