[The display model]

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With the aid of the Lausanne section of the UTS, the Union Technique Suisse (formally the Swiss Engineers Association), a miniature display model, (1.8m high, base area 1.8m2), was constructed for the HumanTech exhibition celebrating the 100th anniversary of the UTS. This model shows the basic form of the structure.

The prototype uses conventional solar panels due to the unavailability of appropriatly sized dye cell panels at the time of construction and budgetary limitations. Due to exhibition size restrictions the prototype is not big enough to produce a meaningfull current of air to run the wind turbine, (which was positioned with the blades above the top of the chimney to take advantage of any exterior wind).

The roof of the model rises very sharply because of its small diametre. The larger the SCAF the flatter the roof, but it will always be high to gain air volume.