This 20ft IRON MAN windmill is located 150M - 490 ft. from the spring, which is the source of water. The pump is located at the spring and operated by an IRON MAN remote operating system. This windmill lifts water 170M - 550ft. to a water tank for a village water supply. The tower is anchored to solid rock with heavy rock bolts. A windmill instalation like this is not a job for amatures.    Water pouring out of an 8ft Diameter IRON MAN WINDMILL in northern China. This windmill pumps 1135 gallons (4300 Liters) in two hours. The total lift is 4M. This windmill is used to irrigate 25 acres of farmland.    IRON MAN 8FT WINDMILL   Another IRON MAN WINDMILLused for irrigating farm land in Nothern China

 

WHAT ARE THE DIFFERENT WIND SPEED RANGES?

0.5 to 6mph (1k to 10kph)

CALM or just perceptible. The Iron Man Windmill will usually begin pumping in a 3mph (5kph) to 6mph (10kph) wind depending on pump load. 

7 to 10mph

(11k to 6kph)

LIGHT WINDS. Will cause movement of leaves, small branches, grass and is felt lightly on the face.

 

Good winds for pumping with Iron Man Windmills.

 

Electric generating windmills begin turning in this range but produce little if any useful energy. 

11 to 17mph

(17kph to 27kph)

FAIR WINDS. Will move tree branches, raise dust and blow litter on the ground.

 

Very good pumping winds.

 

Electric generating windmills begin generating usable power in this range.

18 to 23mph

(28kph to 38kph)

STRONG WINDS. Will cause small trees to sway.

 

Excellent pumping winds.

 

In winds over 23mph (38kph). The windmill will begin turning the wind wheel automatically out of the wind and thus regulating speed and protecting the windmill in storms and high winds that can wreck buildings.

 

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