| Posts Tagged With VAWT | Replies | Views | Last Post |
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Started New VAWT proto-type(Preview) (  1 2 ) | 83 | 1861 | |
... ... ... I completed fabricating a new VAWT. I still need to attach the PMA. I will first try direct drive and if that proofs not to provide enough RPMs it can easily be configure with a pulley and belt drive. The proto-type shows ...
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Help on tower design for Lenz 2 VAWT(Preview) | 25 | 684 | |
Hello, ... Haven't posted here in a while but I am back! It took me long enough, but I finished my alternator (which still is waiting to be tested) and I finished all three Lenz 2 blades. i modified the blades, and they are 8 feet tall. I think I am...
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VAWT Airfoil profile recommendations and Tip Speed Ration Predictions(Preview) | 12 | 1663 | |
Does anyone have a reasonable reference which can explain the pros and cons of various NACA airfoil profiles??? ... ... I have been playing around with building a small VAWT for a while and so far everything I'm doing is based on a NACA63-4-021. I...
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Stator for a Lenz VAWT(Preview) | 39 | 930 | |
Hello, ... This is my first post on this site. I originally started to design a HAWT but then I realized that it is not practical in the more urban area I live in. I researched and found then a Lenz VAWT is very good for starting in lower wind speeds...
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rpm vs power(Preview) | 5 | 484 | |
Do somebody have a good explanation for why the large wind turbines rotate at a much lower speed (rpm) than the small ones? Is there some kind of formula that can be used? Is there a graph showing power and rpm on each of the axis giving a good relat...
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Lift Based VAWT(Preview) | 6 | 723 | |
I'm thinking of Building a purely lift based VAWT wind turbine, and would like some advise on the selection of an apropriate airfoil for the design. The turbine will use three vertical constant cross sectioned airfoils about 0.5m in length....
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VAWT Drive Plate(Preview) | 3 | 364 | |
... I completed drive plate. There is a 3 to 1 ratio between the large drive pulley and the pulley attached the PMA. It still needs some refinement but over all I am very pleased with the results. The configuration will allow adjustment...
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