Linked stainless armatures rotating around a circular axis.
Base cast in stainless steel at the Walla Walla Foundry.
Spins in ultralight winds but overbuilt to withstand strong.
Replaceable stainless bearings
Nearly silent operation
22'h x 11'w x 8'd 6.7m h x 3.35m w x 2.4m d, 1000lbs, 454kg.