Ian Howard
'Airpucks'
This photo shows a batch of aluminium air pucks before assembly. Three units are used together to build air sleds used in our research into how our brain controls arm movements. An air sled is sometimes needed to constrain the movement of the arm in a plane and supports the weight of the lower arm on a cushion of air. High pressure air is blown through the brass connector and comes out of the air puck through a hole in the base, resulting in a very low friction air bearing. Air pucks built by John Beavis in the Department workshop.
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