|Item Weight||5.75 pounds|
|Product Dimensions||5 x 13 x 13 inches|
|Item model number||WGV15|
|Item Package Quantity||1|
|Included Components||wind turbine generator|
ALEKO WGV15 10W 15W Max Vertical Wind Generator Wind Turbine
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This is high quality product. This product is easy to install and easy to use. This product is manufactured in China.
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The product came securely packed in foam with no damage to any of the parts. As I removed the parts from the packaging I immediately realized that the list price of this product should probably have been no more than $40.00.
The generator assembly and the pillar are quite heavy and appear to be made of cast iron. They are much larger and heavier than a 50W generator I already have. The entire device weights 72 oz (4.5 lbs). The pillar alone weights 19 oz with the generator taking up most of the rest of the weight. The generator assembly spins very smoothly. When the pillar is connected to the generator the axis extending up from the generator is not vertical. It appears that the pipe comprising the pillar was cut at an angle before the top plate was welded into position. This creates mounting problems.
The blades appear to be made of cast aluminum and are airfoil shaped. One of the blades was flattened in the middle as if a large weight had stamped it. Each blade has two rivets that are used to hold it in place on the horizontal flanges. Unfortunately, the rivets are not uniformly placed. Some are higher or lower than others. This means that when the device is assembled the flanges cannot be perfectly horizontal. The blades are strong and should last a long time.
The weakness of the entire system are the horizontal flanges that connect the blades to the generator axis. They appear to be of very thin stamped aluminum. When you pick them up by the center the outer edges droop. They should have been made thicker. Further, the slots at the outer edge of the flange where the blades are to be inserted are smaller than the blades. This means you have to enlarge the hole in the flange (a dangerous proposition when they are so flimsy) or trim off part of the trailing edge of the blade. Even with the trailing edge trimmed, they are very difficult to insert into place. The weight of the blade can bend the end of the flange if you let go of it. You must support the flange while forcing the blade into the hole. You must take your time and be very careful.
Once the entire device is put together you must treat it very delicately. The weight of the generator and pillar can easily damage the flanges. After spending over two hours putting the device together I took it outside to see if it would turn in the wind. It is not exactly a "low wind" generator, but it does turn. During a lull in the wind I set it on a flat surface. A small gust of wind tipped the device over. It fell on its side permanently damaging the flanges. If you attach this device to a load, be sure that the blades are not spinning. Otherwise the axis may tear through the flanges as the generator resistance
If the manufacturer will take care of the flanges and make the top of the pillar horizontal this could be a great product. Until then you probably shouldn't waste your money.
However, it's specs are wrong if not a lie.
The stat says:
"Maximum Output Current: 2.15amps"
And the description says:
"You can connect this unit to any 12vdc battery directly to charge it"
It has a 7812 voltage regulator which some can do 2.2A, but I looked up the specs for the exact one and it's a cheap Chinese voltage regulator rated for 1A (i.e. not the 2.2 on the description). However, I don't think it's relevant, you'd do well to get 1A.
Second issue is the charging a 12V battery part. The healthiest of lead acid batteries will read 13.1V at rest and again and takes 14.4V charging, this voltage regulator is only rated at 12.6V. Thus, you'll have an half empty battery if this is your only charging method.
It does achieve 12V with a good wind, so it does work. I'm highly dubious about a 9mph wind as stated; 44mph, it will definitely be at 12V maybe by 15-20mph, it would hit working voltages. No big surprises here.
The upside is it's not too expensive and I've hooked it up to an oscilloscope and it does have a clean three phase signal and I've built a circuit to amplify the signals to a higher voltage and run it through a 15V voltage regulator connected to a cheap charger to limit the voltage to 14.4V (or a 14.4V cutout can be inserted) so I can get a trickle charge with a slightest of turn. Thus, it's something you might chose to play with but be aware that this is not a serious power supply option.
This vertical wind turbine was shipped with no instructions for Assembly if a person was not mechanically inclined they would be lost! I put it together. I would like you to send me a schematic diagram of the generator and the regulator circuit so that I can understand this item- like how do you stop it if the winds are excessive so it does not destroy itself horizontal turbines come with that feature. Also the quality of this item is not worth $189.00 I feel like I really got ripped off, and I would not order anything else from your company period.
The one I was sent is only able to keep a 12v battery at around 9.5v I need to be in a gale force wind to get anywhere near 12v .
Not worth half the price.