The meter should be checked 3 times a day, once every 8 hours to get good wind data. Readout box can install in the house for easy checking. The machine weighs 168 pounds. Bergey Windpower has produced reliable windmills for 18 years, and is widely known for quality. The three blade windmill starts charging at winds of 8 miles per hour, reaches rated power at 28 mph, and maintains safe operation through winds up to 120 mph.
Electronic battery charging regulator is included with battery equalizing capability.
Five year warranty. Tower kits are guy wired Rohn radio tower with top adapter for the windmill mount. Excellent low wind performance and high quality at a good price. Three fiberglass blades are 2.6 meter diameter. Blades furl sideways to limit speed in high wind for storm protection.