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(Left) Butterfly Inset, (Center) Prof. Schmidt-Gönner, Eugen Schneider and Fred George,
(Right) Full Scale 1:1 section of the sculptureTechnical Description (for 120 barrels) The load-bearing construction of the sculpture consists of a circle made of steel – Outside diameter of 48.28 ft, with a rectangle hollow profile of 8 x 8 in, th = 0.39 in. It has one vertical middle beam of the length of 46.97 ft with a rectangle hollow profile of 8 x 8 in, th = 0.31 in Additionally there are two diagonals attached to this middle beam running approx 45 degrees to a 4 o´clock and 8 o´clock position respectively to the main diameter. Each in length of 23.48 ft with a rectangle hollow profile 8 x 8 in, th = 0.31 in.
The footplate is 2 x 45 x 45 in. The welded ribs are 1 x 14 x 14 in. The foot plate is attached to the foundation body by means of 12 foundation anchors. Type Pfeifer PGS 48/480 l The sculpture is founded on an reinforced block foundation {Concrete}. 
Image A: Main wind loads to the front, Image B: Calculated deflection at maximum there is approximately 23.63 inches at a wind speed of 170 mph. Foundation measurements of 17.06 x 17.06 x 5.58 ft deep. Total weight of the steel armoring 1.2 ton short Volume of 1624.7 cu.ft ; weight 126.7 ton short. The basis area of main support is jacketed by a 8.53 ft high pyramid square pyramid from steel sheet with an inclination 45°. To the construction 121 barrels are fastened with mounting plates 121 x barrels outside diameters 23.03 in Total height 34.72 in.
- By Prof. Dr. Ing. Günter Schmidt-Gönner,
Head Engineer, University of Saarland.- And Eugen Schneider,
Engineer, of University of Saarland.
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© Fred George 2008 -