This is intriguing – an obviously historical construction meant to create a strong vortex in flowing water drawn from a river – which reminds very much of a small vortex hydro power plant constructed some years ago by an Austrian engineer, which I reported on at the time…
Kurt Van Wijck at the Green School in Bali presents to Ken Morgan of Venger Wind the Water Vortex Generator that will soon provide clean and fish safe hydro power to the school. For more information please contact Kurt at tailoredcom@bigpond.com