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Messages 1915 - 1944 of 2606   Oldest  |  < Older  |  Newer >  |  Newest
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1915
Hello all, I am building a 1kw axial flux turbine and want to know: is a furling tail a necessity? I purchased the 10' diameter, 3 blade fiberglass blades...
Aaron McCoy
theringoffire67
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Dec 3, 2008
5:45 pm
1916
A straight tail will keep the blades in the wind. A furling tail will move the blades out of the wind when the unit overspeeds, preventing coils from from...
Steve Spence
sspence65
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Dec 3, 2008
5:50 pm
1917
And even furled, the mill will still spin - just at more sane speeds. I'd not recommend going without furling capability..... Be well, Mike -- Zone 8, Texas ...
Michael Vanecek
mikevanecek
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Dec 3, 2008
6:36 pm
1918
A furling tail protects at least three things; your tower, your turbine and your blades. Sounds like your blades might be covered. You might want to sacrifice...
ke5fdh
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Dec 3, 2008
8:25 pm
1919
Okay, how about the tower then. This may be a bad idea, but I was considering using television antennae towers, with guide wires. I am not sure where to get,...
Aaron McCoy
theringoffire67
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Dec 4, 2008
12:23 am
1920
A lattice tower with (or without) guy wires is possible, but needs to be engineered for the size of the wind turbine and the maximum wind speeds your location...
Steve Spence
sspence65
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Dec 4, 2008
12:30 am
1921
How do I make a furling tail where the alternator is mounted in the center of the pipe? Most all of the instructions I have found have had the generator and...
Aaron McCoy
theringoffire67
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Dec 5, 2008
2:11 pm
1922
The tail is offset and angled, and gravity makes it work. Due to some comments about our tail, we tried a design modification, and added a "T" to the tower...
Steve Spence
sspence65
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Dec 5, 2008
2:19 pm
1923
Look closer at the http://www.otherpower.com layout. The alternator is off-set and not on the center. Gravity on the tail keeps the mill oriented properly...
Michael Vanecek
mikevanecek
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Dec 5, 2008
3:33 pm
1924
Our design however does keep the alt centered and not off-set. we tried offsetting due to some advice we received, and found little difference. The off set...
Steve Spence
sspence65
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Dec 5, 2008
4:28 pm
1925
These are a bit smaller than the ones we normally use, but will still generate at least 500 watts. Check them out at http://www.green-trust.org/products/ We...
Steve Spence
sspence65
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Dec 6, 2008
11:05 pm
1926
How much are the bigger ones? Mark ________________________________ From: axialflux@yahoogroups.com [mailto:axialflux@yahoogroups.com] On Behalf Of Steve...
Mark McElvy
mmcelvy
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Dec 7, 2008
1:27 am
1927
$160 for the set of 24. 2" x 1" x 0.5" Thick Neodymium Iron Boron NdFeB Block Magnet Grade N50, the highest grade available 14,700 Gauss Rating ...
Steve Spence
sspence65
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Dec 7, 2008
1:34 am
1928
Are these the ones w holes for screws? Mark ________________________________ From: axialflux@yahoogroups.com [mailto:axialflux@yahoogroups.com] On Behalf Of...
Mark McElvy
mmcelvy
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Dec 7, 2008
1:53 am
1929
No, I don't have enough orders for those to meet the minimum order. Steve Spence http://www.green-trust.org...
Steve Spence
sspence65
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Dec 7, 2008
1:54 am
1930
how many more do you need for the minimum to get the ones with the hole ... From: Mark McElvy <mmcelvy@...> Subject: RE: [axialflux] $36 for set of 24...
m lynn
mlynns
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Dec 7, 2008
5:15 am
1931
I need 4 more orders of 24 to meet the minimum. Steve Spence http://www.green-trust.org...
Steve Spence
sspence65
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Dec 7, 2008
5:17 am
1932
Are these the same price? If so, my neighbor and I might be interested. Mark ________________________________ From: axialflux@yahoogroups.com...
Mark McElvy
mmcelvy
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Dec 7, 2008
2:30 pm
1933
The N50's with 2 double countersunk screw holes are $17 each, plus shipping. A deposit of 50% will allow me to get the manufacturing order in. These are custom...
Steve Spence
sspence65
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Dec 7, 2008
2:39 pm
1934
Our design however does keep the alt centered and not off-set. we tried offsetting due to some advice we received, and found little difference. The off set...
Dan Fink
danbob88
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Dec 7, 2008
6:05 pm
1935
It costs $10 per magnet to drill those holes? Best, wes On Sun, 07 Dec 2008 09:39:18 -0500, Steve Spence <sspence@...> ... -- Listen to what they...
Wes Jones
wesjones21
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Dec 7, 2008
10:14 pm
1936
It's a bigger, more powerful magnet. And yes, it's expensive to get the holes manufactured into the magnet. You can't "drill" a hole in the magnet. Having...
Steve Spence
sspence65
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Dec 7, 2008
10:19 pm
1937
We reached our minimum order. If you want a set of these, please get your order in now. It may be a while before we can place another order. -- Steve Spence ...
Steve Spence
sspence65
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Dec 7, 2008
10:24 pm
1938
We will also have the hydrocut steel rotor plates with predrilled magnet holes available shortly. Steve Spence http://www.green-trust.org...
Steve Spence
sspence65
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Dec 7, 2008
10:26 pm
1939
Just wondering, I'm guessing the holes are countersunk for a flat head bolt, also, can you iron (steel) or do you use brass? wombat...
Neil Dennis
wombat_eagle
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Dec 7, 2008
10:26 pm
1940
We provide flat head brass machine screws with the magnets. Steve Spence http://www.green-trust.org...
Steve Spence
sspence65
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Dec 7, 2008
10:27 pm
1941
OK, makes more sense now with that informaton. I don't understand why a drilling process wouldn't work though. Best, wes On Sun, 07 Dec 2008 17:18:57 -0500,...
Wes Jones
wesjones21
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Dec 7, 2008
11:02 pm
1942
If you could get a drill bit through the material, I'm pretty sure you'd find it brittle and prone to breakage, as well as affecting the strength of the...
Steve Spence
sspence65
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Dec 7, 2008
11:14 pm
1943
I may. I can't get past that they're over twice the price with holes...even if they are a little bigger. Best, wes On Sun, 07 Dec 2008 18:14:12 -0500, Steve...
Wes Jones
wesjones21
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Dec 7, 2008
11:45 pm
1944
Shipping from China is a killer. Steve Spence http://www.green-trust.org...
Steve Spence
sspence65
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Dec 7, 2008
11:46 pm
Messages 1915 - 1944 of 2606   Oldest  |  < Older  |  Newer >  |  Newest
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