![]() While we’re on the subject of blade pitch, it’s important that you accurately duplicate the angles recommended in the blade frame detail. Likewise, the pitch stop brackets need to be positioned 40 degrees counterclockwise in relation to the housings when the hub is viewed from the rear. The shaft housings must be perpendicular to the hub walls and an equal distance from the hub plate and mount. Fine adjustments can be accomplished by threading the bearing housings in or out as necessary.Įqually critical is the placement of the hub components not only does this affect the balance of the finished rotor, but it also determines the accuracy and ultimate effectiveness of the blade pitch mechanism. Each unit should be centered firmly in its seat, and the spacers trimmed square to avoid misalignment or uneven wear. First, the bearing fit on both shafts is important. Our materials list and assembly diagrams cover the construction details pretty thoroughly, but we’ll go over a few specific areas that might benefit from a bit more explanation. As for the threaded pipe joints, we’d suggest drilling the fittings and locking each of them with a 1/4″ thread-cutting screw once the parts are assembled. Unfortunately, we weren’t successful in avoiding the use of welded joints entirely, but those that do exist are simple enough to be set up and farmed out. The rotor hub incorporates a pitch control mechanism which, together with the blade frames, allows a smooth and efficient transition from start-up to generating speeds. Naturally, we’ve upgraded the fitting sizes and utilized an automotive alternator for this beefed-up version, and we’ve also added a disc brake and a tail with an improved span-to-chord ratio.įurthermore, other features were included to enhance the plant’s performance: Both the rotor shaft and jackshaft are machined to accept industrial-rated drive sheaves and ride on sealed ball bearings mounted in fixed seats. The Blue Max is a first cousin to the earlier design, specifically in the use of fabric “wings” and iron-pipe frame components. Though we spent $347 on new and rebuilt parts, a creative scrounger could probably use a junkyard alternator and second-hand plumbing fittings and build the machine for $200. Still, even with the added machining expense, this “deluxe” windplant - less the tower and battery storage - is an even better bargain on a cost-per-watt basis than was the simple trainer. We’ve dubbed our latest project the Blue Max, and because of its potential as a reliable small-scale home wind power producer, we opted to go the extra mile and include some machined parts in the design to enhance its serviceability and performance. That “trainer” set the stage for the second-generation wind machine you see on these pages: a 350-watt generator that isn’t much more difficult to assemble than the first version was, yet which employs a number of fairly sophisticated - but simply executed - features. With thousands of quality suppliers & manufacturers, we are sure that they can provide all equipment for sale, services and solutions for your various industrial applications.Last issue, we published a complete how to article detailing the construction of a homemade, dollar-a-watt windplant, the Red Baron, designed with the first-time builder in mind. It's well known that product quality and safety is a stronger priority for this equipment industry and also for the buyers, here you are offered a greater chance to find trustworthy manufacturers & factories who are delivering high levels of performance, efficiency and reliability in their products all the time. ![]() Besides, their competitive & cheap price of Wind Turbine factory would get you an edge in your own market. If you are interested in China Wind Turbine, You will be amazed by the variety of the product choices such as wind generator, wind power, wind turbine generator. Our China manufacturers & suppliers will provide a full-service to keep you up and running and meet your unique equipment requirements. With hundreds of thousands of products to choose from and an ever growing product range, your industrial equipment needs are sure to be met here.
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