Artist: Don MacLane
Stainless steel, basalt, on granite base, 2014
Dimensions at rest: H 64" x W 34.1" x D 15.6"
Dimensions in motion: H 64" x W 150" x D 15.6" Granite slab: 25" x 47" x .77"
A pair of pendulums supported above back to back hollow rocker forms. The rock weight at the lower end of each pendulum travels within a cocave surface of the rocker. The rocks' radial paths are not concentric with the forms of the rocker so that, as they move, the clearance between the rocks and surfaces change. There is a movable weight on the upper arm of each pendulum. Changing the position of these weights allows the observer to alter the frequency of each pendulum. Different frequencies yield different rhythmic patterns of motion as kinetic and potential energy is passed between the rocker and pendulums. The compound curves of the rocker are a contrast to the plane of the base. Reflection of the piece in the base and the sound made by the rocker on the stone are also an important aspects of the work.