This is the third year for our Marty Fan. Each year it has taken on reconstruction. Last year a better frame from 2″ PVC was built, which has held up well. This year we switch over the C-5 LEDs on 16 channels, with two strings of white C-6 across the top. The Diameter across the fan is 20 ft. There are 8 strobes inset into the fan also.
This plywood has lasted two years without any problems. It’s a piece of birch and attached with ties wraps.
This is half of the Marty Fan. When I finished it was raining lightly and too dark for a good picture. Will update when sunshine prevails. The fan is attached to a 2-3/8″ piece of steel pipe that is sunk 3 ft. into the ground into another piece of pipe set in concrete. This enable the fan to stay upright and no additional supports, or guy wires are used.