GB Windpumps




POLDAW 3.5m WINDPUMP

Poldaw 3.5m Windpump
(Approximate outputs in litres per 24 hours)
    
Total pumping head Wind-speed in metres/second (mph)
(metres) 3 m/s (6 3/4 mph) 4 m/s (9 mph) 5 m/s (11 1/4 mph)
2 100,700 litres 186,600 272,500
3 67,100 121,600 176,100
5 42,200 81,700 121,200
10 21,400 43,600 65,800
20 10,700 21,600 32,500
30 6,600 11,400 16,200
40 5,300 10,200 15,000
50 4,200 7,800 11,300
60 3,400 7,000 10,500
70 2,800 5,300 7,700
90 1,900 3,100 4,300