I have an idea for a small anemometer with an output for a logging program and a small display. I plan to use a small DC motor connected to a microcontroller...
3670
Jack Previdi
jprevidi@...
Dec 4, 2000 1:16 am
... 1. Make it portable (12vdc or other battery power). 2. Enlist a friend to help. 3. On a calm day, drive at different speeds with the anemometer out the...
3671
Dennis K. Biby
dennis@...
Dec 4, 2000 1:17 am
... Bob, my father built something similar and mounted it on top of the house. His biggest problem was that the bearings in the small DC motors weren't up to...
3672
berkay
mberkay@...
Dec 4, 2000 1:17 am
Are the anemometers caibrated (check for the accuracy) at certain intervals? Do you have them checked or calibrate before or during using? Thanks...
3673
Lloyd Erickson
l.erickson@...
Dec 5, 2000 2:58 am
I am looking forward to learning more about home power systems. Seems like every gets windier! Since we live on the West Coast (on Vancouver Island), using...
3674
phaentjens@...
Dec 6, 2000 5:14 pm
I am new here and new to the subject. Done some reading the last few weeks. So if in the future I may have a question that seems stupid to you ... forgive...
3675
Paul Gipe
pgipe@...
Dec 6, 2000 5:15 pm
That's a question that doesn't give us much to go on. Anemometers are calibrated only when you pay for it. Calibration, offsets, and slopes of the various...
3676
Jan Bunk
jan@...
Dec 7, 2000 7:24 am
Hoi, i'm Jan Bunk and live in the Netherlands. We've a lot of wind here... I'm also planning to build a simple windspeedmeter. My idea was to use a small...
3677
Dan Isbell
DIsbell@...
Dec 7, 2000 7:25 am
Please post this question to the windpower group. I am curious...
3678
Bob Ellison
ellison@...
Dec 7, 2000 2:58 pm
Dan, Despite what it looks like, what happens is that the power comes in from one or both sources at the same time. If it is not needed to power a load (AC or ...
3679
Paul Gipe
pgipe@...
Dec 8, 2000 12:01 am
The voltage set point on the PV charger may be higher than the voltage set point on the Bergey. If this is the case as the batteries near full charge the...
I seek information on VAWT airfoil profiles and low speed (50-250rpm) variable reluctance generators for I design a lowcost Vertical Axis Wind Turbine,...
3682
desielnut@...
Dec 11, 2000 1:58 am
Hi All, I have been a nearly silent lurker on this for some months. Our recent intrest in annemomoters has me curious. Many year ago I wanted to accurately ...
3683
Jerry Peyton
peytonj@...
Dec 11, 2000 1:58 am
Hi, As a new member to this group I have not had a chance to go through all the information that has aleady been posted, so the information that I am looking...
3684
Brian King
cgtbrian@...
Dec 11, 2000 4:49 am
A few years ago I remember seeing a URL for a huge turbine that looked like a jet engine with the disk touching the ground. I believe it was located in New...
3685
hugh piggott
hugh.piggott@...
Dec 11, 2000 1:45 pm
... try http://www.vortecenergy.com and http://www.vortecenergy.com/news/links.asp and http://www.eeca.govt.nz/content/ew_news/58june98/58renew.htm (which has...
3686
hugh piggott
hugh.piggott@...
Dec 11, 2000 1:45 pm
Hi lboonud@... I forwarded this to awea-wind-home@egroups.com in hopes of some input from Arizona. I live in Scotland UK. ... it's not at all clear how...
3687
Saba, Taraz
SabaT@...
Dec 11, 2000 2:21 pm
Hi Brian, Have a look at this site: http://www.vortecenergy.co.nz/ Vortec is developing a range of these machines and an experimental one (I think rated at 1...
3688
Vic Holmes
vic.h.whitehall@...
Dec 11, 2000 8:11 pm
Hi Brian and other group members, Yes there is a trial turbone in New Zealand developed by Vortec with help from Auckland University. It uses an aerodynamic...
3689
Antonio Rafael Cuba R...
acuba@...
Dec 12, 2000 1:07 pm
Hello everybody Sometimes, some of the members here discuss about the output power of many small wind turbines available in the market. But what about the...
3690
hugh piggott
hugh.piggott@...
Dec 12, 2000 6:06 pm
... lower resistance but also lower voltage output. Good for lower voltage and higher current, but the power loss is the same when you compare it to the same...
3691
Paul Gipe
pgipe@...
Dec 12, 2000 8:32 pm
In any discussion of Vortec one should mention visiting Heiner Doerner's web pages at the University of Stuttgart. He discusses shrouded/ducted turbines at...
3692
Paul Gipe
pgipe@...
Dec 12, 2000 10:28 pm
Concentrating Windsystems - Sense or Nonsense? by Heiner Dörner, see http://www.ifb.uni-stuttgart.de/~doerner/diffuser.html Dörner teaches at the U. of...
3693
hugh piggott
hugh.piggott@...
Dec 13, 2000 9:55 am
... The resistance of a piece of wire is 20% higher at 70 degrees C (maximum operating temperature for pvc insulation in the UK) than it is at 20 degrees C...
3694
Green Man J. Clinton ...
jclintonc@...
Dec 13, 2000 1:44 pm
Am I to understand, then, that temperature affects electric current, i.e., that a cold coil performs better than a hot one? My cousin, an electrician,...
3695
jnetter781@...
Dec 13, 2000 1:44 pm
I would like to know sources for learning more about the theory and fundamental principals of wind energy. Thanks...
3696
georges
georgepds@...
Dec 13, 2000 3:22 pm
... At least they are relatively easy to calibrate (roughly). Mount on a small mast in front of your car, set cruise control, and compare the numbers. The...
3697
hugh piggott
hugh.piggott@...
Dec 13, 2000 4:04 pm
... there are some very good web sites. Try http://www.windpower.dk http://www.ifb.uni-stuttgart.de/~doerner/windcuriosity.html http://www.windmission.dk/ ...
3698
Mike Munro
mike.munro@...
Dec 14, 2000 4:41 am
... The publication, 'The Generation of Electricity by Wind Power' by E.W.Golding, 1976, is a good technical introduction, albeit somewhat dated, being first...
