Thursday, March 17, 2016

wind mills, help needed

hi everyone, new to blogger. I enjoy wind and solar projects but am quickly getting annoyed by all the misconceptions and faulse advertising around the wind generator industry,   I should say home size wind industry, I call the hologram effect.  the wattages listed are a flat out lie in 95% of the sites, the amperages are vary unlikely to be seen under 50mph wind, and I have tested 6 different sellers blades and only one was any good under 30mph winds. this bs needs to be set straight to the average buyer, these systems will serve them NO purpose and they will get ripped off. most parts of a good system are available but the research MUST be done for your location, windmill type, home needs and expectations. here are my thoughts. if it looks like a car altenator its low output. if its not 30+ feet up it probly don't make vary much power, if there are trees and stuctures nere by it needs to be at least 20ft above them. as for the pma / pmg or hawt , all the coils iv seen I seem to find disturbing problems with the types or uses of the shapes, some of these have been reported to make a good output but in the design can be much better I think. the hawt is the best system iv seen any good to vary good reports on, there are many variation in design and some vary good and some , well piss poor. coil and magnet design is every where on the net and one only has to study to quickly see the differences in designs, but can get complicated when the magnets, there count, there strength, and there shape come into play. as with the coils. the time spent studying is well worth the outcome. im working on a coil design that in the math is 97% efficient , so if I get even 80% I will be 15% better than the next best coil iv seen tested, is also much easyer to wined but a little harder to mount. the shapes being used seems to me to be the biggest problems in output numbers. the magnets in most are placed on the rotors in the wrong places and at the wrong angle, they don't seem to understand magnetic lines of flux and there paths and the fact that they change with the distance and angles mounted. iv seen the use of magnet wire as small as 28awg ?, to produce a good power output you need wire size as large as possible while producing the voltage need to supply YOUR system. this is where things get a little harder. the right size wire is needed to produce the power but the coil thickness is vary important witch will limit the thickness , the thickness will effect the magnetic flux strength through the coil , when two magnets are used , one on each side of the coil the thickness can be larger, but the gauss should be tested to KNOW the gausses at set lengths away from the magnet allowing max thickness without losing flux through the coil, this will allow for a thicker coil with the max magnet power . many seem to forget that the magnet also has flux from the sides of the magnet, this will allow for a wider coil for the same application, the length can in most cases be lengthened also. blade size needs to be considered when building the generator, don't build a 10,000watt 18ft blade system if you live in town and don't have the room. I plane on getting into detail on all my thoughts in the near future. thanks for reading.

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