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 |  Photo collection by Th.Schiöler Water-lifting by draught animals Producing a sâqiya Photo 141 |
| Producing a sâqiya |
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| Factory-made noria in Spain This is a modern design of a two-thousand-year-old invention. The electric motor runs at about 1400 rpm but the potgarland-wheel runs at no more than 14 rpm. This reduction needs two gears. The first one is from a v-belt drive, with a ratio of about 1:10. The second from the tooth gear must have a similar ratio. [141] |