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Forum Index : Windmills : Progress on the VAWT

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Gizmo

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Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 11:41am 05 Nov 2005
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Just some photos for now, but the new VAWT is taking shape. Height is 1200mm and diameter is 1300mm.


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Chris

Senior Member

Joined: 12/09/2005
Location: Australia
Posts: 146
Posted: 11:26pm 06 Nov 2005
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Thats similar to my idea i had...
Just a question though. How do you support it up the top? Do you run a 2nd bearing support up the top then go around the VAWT back to your stand?
 
Gizmo

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Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 11:42pm 06 Nov 2005
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Hi Chris.

Answer.. I dont.

The bearing at the bottom is a heavy duty beast, and the shaft is 33mm diameter thick wall pipe. I'll also add some bracing around the F&P bearing plate. It will be strong enough to not need the top bearing, hopefully. Time will tell.

I should have it up in the air this weekend.

Glenn


The best time to plant a tree was twenty years ago, the second best time is right now.
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ozetrade

Regular Member

Joined: 15/10/2005
Location: Australia
Posts: 59
Posted: 09:59am 07 Nov 2005
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.....I envy those with a welder.

Thats looking real neat Glenn. Can't wait to hear the results. BTW, can't tell by the image, did you decog yours?

Also, how do you plan to adjust the angle of the wing - if you need to?

Greg


Greg
Just North of Brisbane in Redcliffe
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Chris

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Joined: 12/09/2005
Location: Australia
Posts: 146
Posted: 12:30pm 07 Nov 2005
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My dad has a welder but he wont let me use it... so he does all my welding...

might be getting a mig off my grandpa tho.

Is that bearing at the bottom just the normal one that is used in the HAWT?
 
Gizmo

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Joined: 05/06/2004
Location: Australia
Posts: 5078
Posted: 09:03pm 07 Nov 2005
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Hey Greg.

No its not decogged, hopefully the vawt will have enough torque and I wont have to. The "wings" angle is adjustable by 8 degrees. Eds design calls for 9 degrees, so miine can be adjusted from 5 to 13.

Hey Chris.

Mig is the way to go. I converted mine to gasless and run flux wire. The welds are messy to look at, but ok once you clean the flux off. The bearing is bigger than the one I used for the HAWT windmill. This one has an internal diameter of 35mm, and I made up some shims to suit the 33mm shaft.

Glenn


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MrBungle
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Joined: 07/10/2005
Location: Australia
Posts: 34
Posted: 07:48am 15 Nov 2005
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Ive heard nasty things about the gases and vapours from those flux wires, maybe it's just rumour, but be carefull.
 
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