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Spring Driven
Kinetic Art

Limited Edition of 150
Size:  35"h x35"w x 6"d
Power Source:  negator spring
Approximate Run Time:  3 hours

Focus ©2004   
Price: Edition Sold Out

Focus uses a mechanism similar to the one I used in Tapestry but a bit more refined to make it quieter and longer running.

You wind Focus by holding the back wheel in one hand and turning the front wheel about 20 turns in the clockwise direction. Release the back wheel and the motion starts with the wheels rotating in the opposite directions. This continues until one or both wheels lose momentum and start rocking back and forth. This eventually triggers the mechanism and the wheels start counter rotating again. The type of patterns created varies with the somewhat random timing of the mechanism trigger.