Wow nice pix - looks complicated. Last time I used a chain I found it noisy and rust-prone. Do you find the chain works OK? I've been looking for a model...
29511
Laurie Forbes
laf@...
May 28, 2012 5:42 am
... The pitch control? It's pretty simple really - hook 1" shafts to the blade roots and mount in a couple of pillow blocks, fasten an offset weight to each...
29512
Bill Z
devilsadvacat
May 28, 2012 5:44 am
It surprises me that so few windmills have protection on them to save high flying birds. I also wonder why jet engines on airplanes are not being made with a...
29513
marksmith201130
May 28, 2012 5:51 am
Genuine batteries <http://www.genuinebatteries.com/> usually last longer as compared to counterfeit ones. But if you do not take care of your battery,...
29514
Nando
mhp_moderator
May 28, 2012 1:37 pm
WRZ: This is just a short discussion on this thread. One needs to consider the flying airplanes velocity versus the flying birds velocities then the size of...
29515
Nando
mhp_moderator
May 28, 2012 1:38 pm
Laurie: Your idea is quite a workable idea which if the generator is unloaded the RPM is defined by the setting of the flying weights ( high RPM limit) You...
29516
Laurie Forbes
laf@...
May 29, 2012 1:31 am
... I agree that springs in compression are probably more reliable than torsion but I would guess the advantage would be pretty small in practice. With my...
29517
Doug
dougselsam
May 29, 2012 3:11 pm
Did you design/build that pitching hub mechanism yourself?...
29518
Doug
dougselsam
May 29, 2012 3:12 pm
I'm surprised you're surprised. Imagine the cost and visual impact of putting fences or screens around all wind turbines. The cost would make the art of wind...
29519
Jarrett Johnson
jerryflyguy
May 29, 2012 5:14 pm
Kinda drifting off topic but I can offer some insite into the airplane engine side of things [I'm an ATPL]. There is no 'workable' solution for keeping birds...
29520
Laurie Forbes
laf@...
May 29, 2012 9:09 pm
... Don't forget the hunting industry... Laurie Forbes ... [Non-text portions of this message have been removed]...
29521
Laurie Forbes
laf@...
May 29, 2012 9:12 pm
Yes, but I discovered later that there are other similar designs although somewhat different than mine. One of the design criteria I had was that it had to be...
29522
Carl Emerson
freepowernz
May 29, 2012 9:57 pm
Hi there, From the research I have seen in previous years, a stationary wind turbine is more likely to have a bird strike than a rotating one. Carl Emerson ...
29523
Richard McClellan
rpmprologcom
May 30, 2012 6:05 pm
This whole thing reeks of "speciesism". Coyotes have to eat too. Joke, guys, joke....
29524
Doug
dougselsam
May 30, 2012 6:05 pm
Nice to see someone who fabricates parts rather than excuses. If it works well you have surpassed 99% of the wannabees. Maybe you should hook up with Nando. ...
29525
Dean White
deanrwhite
May 30, 2012 10:37 pm
I had a friend describe to me putting 3 different size generators on the same shaft and using them to regulate output from the generator in a way that...
29526
Nando
mhp_moderator
May 31, 2012 12:09 am
This is an idea that has appeared in the past as a solution to be able to have energy production in a way that normally indicates that the "builder" has...
29527
Jones, Martin
martin.jones@...
May 31, 2012 3:10 am
Dean, This is essentially what the original AIR303 (Southwest Windpower) did. Each of the three phases of its windings was wound with a different gauge of...
29528
Jim Isbell, W5JAI
w5jai
May 31, 2012 3:10 am
I set up a system that was not like anyone elses (schematic attached) a month ago and I have been fine tuning it. At first I was getting about 200 watts...on...
29529
Doug
dougselsam
May 31, 2012 11:48 pm
For the past couple years a Palmdale, California resident has repeatedly noted about half of the Skystream model turbines, installed in a Sam's Club (big box?)...
29530
Doug
dougselsam
May 31, 2012 11:50 pm
Great "new" idea! I believe Jon Powers has explained how the Nordtank turbines have two generators, one large, one small. The larger generator has fewer...
29531
jerry freedomev
freedomev
May 31, 2012 11:50 pm
Hi Martin and All, For that to...
29532
jerry freedomev
freedomev
Jun 1, 2012 2:07 am
Hi Jim and All, Amazing the...
29533
Nando
mhp_moderator
Jun 1, 2012 1:41 pm
Wind mill generator brake using the generator windings shorting !! Has been a bad idea from day one that the idea was thought and not analyzed properly which...
29534
jerry freedomev
freedomev
Jun 1, 2012 4:30 pm
Hi Nando and All, ...
29535
Doug
dougselsam
Jun 5, 2012 4:35 pm
Jerry and Nando: Thanks for your opinions on the general subject. Seems like we all agree that overspeed protection is essential. What I was asking for...
29536
Nando
mhp_moderator
Jun 5, 2012 5:33 pm
one BIG PROBLEM with wind mills is the INSTALLER and the placement of the installation. NO wind mill should be installed unless : a 4 seasons of wind profile...
29537
Doug
dougselsam
Jun 7, 2012 4:11 am
Hi Nando: Your experience and wisdom in wind energy is definitely superior to most, and thanks for one more plug for pitching hubs. Your opinion that...
29538
Nando
mhp_moderator
Jun 7, 2012 12:28 pm
Doug: I need to be short with this message I have had two power downs due to the storms in the Dallas area which has forced me to start all over twice. A...
29539
averettr@...
Jun 7, 2012 3:47 pm
FYI Dear Colleagues, If you are involved in manufacturing or repairing Coils, Electric Motors or Transformers then this will interest you. CWIEME Berlin 2012...
