Hello all, I joined the group a few days ago, and have spent some time reading the entire message base, as well as looking at the files and links sections and...
561
Dan Fink
danbob88
Jul 3, 2007 2:23 pm
Hi Michael -- I can't see why it wouldn't work, but much will depend on how large you are trying to go with your swept area. I'm not sure what a 'chalk wheel...
562
pvts10
Jul 23, 2007 4:53 am
Does anyone know if there are any renewable energy seminars in texas in the near future??...
563
James Patterson
jrp_radar
Jul 24, 2007 12:21 am
... Check out http://www.homepower.com/ http://www.motherearthnews.com/ http://www.evworld.com/...
564
Jim Carlson
jimcarlson622
Jul 26, 2007 11:37 am
I just posted some new pics for my windmill. All I lack now is pouring the pedestal and guy wire anchors. Jim C PS They are posted in the Jim622 folder....
565
Del Martin
del_martins
Jul 26, 2007 1:05 pm
Jim, Are those blades made from PVC pipe? and why some shorter than others? Del Jim Carlson <jimcarlson622@...> wrote:...
566
Jim Carlson
jimcarlson622
Jul 26, 2007 2:40 pm
Yes they are made of pvc. The reason they are different lingths is because of the materials that I had at hand. I wanted to make them as long as I could. Six...
567
Del Martin
del_martins
Jul 26, 2007 3:43 pm
Jim, Where would I get a pattern to make those blades? Del Jim Carlson <jimcarlson622@...> wrote: Yes they are made of...
568
Jim Carlson
jimcarlson622
Jul 26, 2007 8:33 pm
I got them from a pdf called Poor man's guide to wind power and battery systems. I didn't go directly by their plans for the blades. The book wasn't worth the...
569
Harold
vwbiofuels
Aug 25, 2007 8:46 pm
Hello All, I am a new member to this group. I have read about the axial flux Alternator and would like to add it to the new VAWT I have designed. I am in...
570
Steve Spence
sspence65
Aug 25, 2007 11:38 pm
The axial flux we built needs 600 + rpm, but you can design it for slower speeds. Steve Spence Director, Green-Trust http://www.green-trust.org ...
571
Jim Carlson
jimcarlson622
Aug 26, 2007 3:49 pm
They can get inexpensive. I have scrounged just about everything for my windmill, and I still have around $500 in it, and I still don't have it in the air. I...
572
tracy
towerace123
Sep 9, 2007 10:02 pm
hi everyone. ive been reading here for some time now and i have changed jobs that allow me to start on my wind mill. at present i live in ohio south east of...
573
Jim Carlson
jimcarlson622
Sep 10, 2007 4:06 pm
You won't receive any "REAL" help here... But if you go to http://www.fieldlines.com/ they will answer most of your needs. Hope this helps Jim C....
574
Steve Spence
sspence65
Sep 10, 2007 5:27 pm
And why wouldn't you expect real help here? Many of use are experienced wind turbine builders, even though this isn't necessarily a wind group. It is an axial...
575
Steve Spence
sspence65
Sep 10, 2007 5:51 pm
I'm not in ohio, but the wiring of a axial flux alternator is pretty simple. There are typically 9 coils in a circle. every third one is connected in series,...
576
tracy
towerace123
Sep 19, 2007 2:19 pm
thanks guys im a picture man i dont do well with words for instructions so im glad to see how things works tracy ... ...
577
grubbyjeans
Sep 28, 2007 10:02 pm
I've heard talk about using magnets from computer drives. What kind of magnets? Does anyone have pics or project info I could view? Thanks...
578
Michael Stone
mtcynthia
Sep 29, 2007 1:03 pm
Grubbyjeans, This is what I do - click on the link, it will give you a quick look at one method of using hard drive magnets. ...
579
Steve Spence
sspence65
Sep 29, 2007 1:33 pm
I've never used disk drive magnets. The magnets we use are bigger than would fit in most disk drive. I've heard of folks using magnets from microwaves, but...
580
grubbyjeans
Sep 29, 2007 7:25 pm
Thanks for the information. I've just learned that I may have access to a large number of used drives and wondered if there is any interest in the magnets...
581
Dan Fink
danbob88
Oct 1, 2007 3:53 pm
Generally, hard disc drive magnets are too small to be of much use except in tiny science-fair type wind turbines. Old, giant computer tape drives (the kind...
582
Steve Spence
sspence65
Oct 1, 2007 3:58 pm
This was a very busy weekend for the Green-Trust and Woodhenge teams, as The Science / Discovery Channel film team arrived to do a photo shoot on Wind Turbine...
583
Daniel Nicoson
dannicoson
Oct 1, 2007 5:18 pm
Good publicity for the cause! Congratulations. Let us know when they will air the show. Dan Nicoson ... From: axialflux@yahoogroups.com...
584
Steve Spence
sspence65
Oct 1, 2007 5:21 pm
Should be in December sometime. It will be the 7th Episode of "Green Science". Steve Spence Director, Green-Trust http://www.green-trust.org ...
585
solpwr
Oct 4, 2007 7:28 am
How does someone figure the number of turns of wire in a coil to get a specific voltage, i plan on using 14 guage wire the target voltage is 8 volts per coil....
586
George Shaw
mi3gto
Oct 4, 2007 2:11 pm
I have looked on the Science Discovery channel on Sky but don't see mention of the Green Science series, do you know if it is shown on Sky in the UK? ... -- ...
587
Steve Spence
sspence65
Oct 4, 2007 2:55 pm
35 turns (per coil) is 12v per set of 3 coils, 70 turns is 24v, 140 turns is 48 volts. the thickness of the wire determines the amps it can handle before it...
588
Louis Peltier
jbunny22002
Oct 4, 2007 3:18 pm
does RPM effect the voltage??? if so at what rpm is the formula????? thanks Louis in cold frosty BC...
589
Steve Spence
sspence65
Oct 4, 2007 4:22 pm
RPM does affect voltage. Which is why with 5 foot blades we are shooting for 650 rpm at 25 mph or so. it will spin at the correct rpm even at lower wind...
