DIY WIND TURBINE BLADE SPINNING IN LOW WIND FULL TORQUE BLADE WINDMILL

This was during Tropical Storm Fay. We got missed and only had grey skies and light winds. The strongest wind was close to 20 MPH one night. This blade is a full torque design and is not tapered at the tips. This provides more power with slower RPMS. It can handle a 2:1 or 4:1 gear ratio.

Category:

Science & Technology

Tags:

• WIND
• TURBINE
• WINDMILL
• VAWT
• xprize
• foundation
• environment
• energy

[pinkytm1]

Shutter speed or successfull cloaking device test? :)

[GREENPOWERSCIENCE]

Successfully cloaking device tests.

(thats why I put the disclaimer, educate non photo/video types not to get excited over some youtube videos)

A lot of back yard turbine videos either unintentionally use a poor quality digital camera or figured this one out for the speedy look. The smaller the CCD or CMOS on the camera, the more light required to expose so most have 1/8-1/15 sec shutter. All cameras on auto will do this in lower light.

[joesmoe71]

Looks great, but I would hate to be in its path if it fails!

[GREENPOWERSCIENCE]

Any wind turbine is bad news if it fails in high wind. This is the advantage to high torque and lower blade speed. The hub in this is attached by nature as the blades are each 1 entire 2x4. Total 2 2x4s. They are screwed and glued and a bolt down the center plus a dado joint . I am hoping to test it to failure in a wind tunnel at 70+mph.

[gravityisweak]

Ok I've posted my video as a response. The production quality pales in comparison to yours so I apologize for that. If you are so inclined please read the article that gave me the idea to build this, the link is included in the video info and has tons more stuff including lots of math and ideas about linking more than one of these together. Would love to see what this idea would look like in one of your videos. Thanks :) P.S. Is there any progress on the forum for your website?

[GREENPOWERSCIENCE]

I think that is very cool. It has a great spin to it. Fantastic idea. Nice work too, packing tape can be a pain. The idea provides a safe alternative blades close to people.

I have the software for a BB but need to install it without wiping my entire site.

[Plaastek]

You need to raise up the height of the turbine so its 30-60 feet up, way above the trees if you want a reasonable amount of consistent power from it. Love your videos!!! You're living my dream :)

[rahimShah]

Looks like video from "para normal activity" :D

Thanks for the video.

[TheDigitalWeb]

Is that an Ametek motor your using?

[soulmasterdw]

@GREENPOWERSCIENCE

should cover ur gen it will fail if left in the open

[andresloveline]

Excellent job GreenPowerScience!

[OceanportECP]

"Hoping to test it to failure" Thats awesome! Pushing the envelope is the only practical method to find out how good (or bad) a design is. The most sucessful designs usually experience many failures during development. Ya might call it working out the bugs :) I sure hope you will post a video of the test.

[kickndave21]

Hey - Looks awesome! Wondering how much power it produces?

[GREENPOWERSCIENCE]

No, nothing yet. That strong of wind is pretty rare. Birds do not like to fly low when the wind is up like that. Most of the time the blades spins at about 15 rpms or less with almost no wind. Birds are pretty smart.