... In an ideal world we can keep our blade section at exactly the right angle of attack in all windspeeds but in the real world this does not happen nor is it...
... Have you considered gluing a small block of rubber on the high end stop to prevent it going all the way back? Might void the warranty though. -- Hugh ...
Our Turkish colleague Ferhat Bingol has started a very interesting windpower news website http://ventisvigor.com - please give it a chance. This month the...
Hello everyone, Just wanted you to hear the latest on what we have been doing on resolving the issues with the side furling of the Whisper products. First of...
Andrew Kruse
andy@...
Mar 1, 2002 4:52 pm
7084
... it is expensive and high on maintenance. It is usually better to control speed rather than torque unless you have a very beefy genernator to work with...
... "The fact that angle of attack is not optimum along the blade during pitch controlled operation is not a problem, because the whole purpose of the pitch...
... the problem with furling action is that it is slow compared to pitch control. In both cases the purpose is to limit the power produced by the rotor blades...
Andy I will comment on our frustration with the Whisper 175 and SWP. In defence of our last post, for over a year Jenni and I made no less that six calls to...
Hi all, I just got this message from a fellow list member. I NEED your feedback. Please do NOT post your responses to the list. I don't want bandwidth wasted...
I have seen some misunderstanding in the list over what pitch control does for the small permanent magnet alternator type turbines. For these small turbines...
Jon Powers
calwind@...
Mar 1, 2002 11:59 pm
7090
Hi all. First off let me introduce myself. I am a 37 year old electrician that works for a division if Australia's Biggest science research organization, CSIRO...
Peter May
manager@...
Mar 2, 2002 3:06 am
7091
George: What you are missing here is the visualization of the ROTOR (blades), the GENERATOR, and the TORQUE generated by the rotor and the angle of incidence ...
H.G.
garciah@...
Mar 2, 2002 3:53 pm
7092
MICHAEL: Even though you asked not to make public, I will because it is necessary. I do not have a wind mill, I live with the comforts of a large USA City. ...
H.G.
garciah@...
Mar 2, 2002 4:15 pm
7093
... It can't get any higher for that unit, but there's only so much torque available. You can turn the rotor on a 175 by hand without difficulty with the...
... Shane: Thanks much for the additional information - I see now how the device works. The advantages of an RPM controlled device however seem to be worth ...
Laurie Forbes
lforbes@...
Mar 2, 2002 6:29 pm
7095
Hi Everyone. I'm new to the list but am very interested in how all this stuff works. For school we need to build a car that can run without electricity. First...
... From: Peter May To: 'awea-wind-home@yahoogroups.com' Sent: Friday, March 01, 2002 4:27 PM Subject: [a-w-h] An into and questions Hi all. First off let me...
What a great reply. I feel a lot more confident in posting now as I seem to have asked questions that may have been covered before but didn't get a flame....
Peter May
manager@...
Mar 2, 2002 9:10 pm
7098
It ocures to me that a pitch control mechanism based on two opposing centrifugal weights actuating blade pitch could be simplified considerably for a two blade...
Laurie Forbes
lforbes@...
Mar 2, 2002 10:52 pm
7099
... One of the advantages of (teetered) single blade designs is that the whole rotor assembly can move to change the pitch of the blade - including the...
I think the person who told Michael Klemen that "it is clear to me that everyone thinks you are not an asset" needs to apologise to Michael and the rest of the...
Question, new to all this. Have three wind turbines up and running well. Do not have a charge controller yet, but have a Load Diverter. My question is; where...
Hi, Though rotating the rotor blade is the best solution on the subject of pitch control., it requires precision components, hence skill and or cost. I wonder...
Shane: Thanks much for the additional information - I see now how the device works. The advantages of an RPM controlled device however seem to be worth further...
From: Laurie Forbes <lforbes@s...> Date: Sat Mar 2, 2002 2:50 pm Subject: Another Thought on Pitch Control ADVERTISEMENT It ocures to me that a pitch...
24 Volt 450 Watt Winco Wincharger On Auction. Comes with orignal boxes. See ebay auction number #2005106539 Auction ends Monday night March 4th. <p>Thanks for...
JOHN: You have three power sources, and I presume all 3 generate DC power. Put three (3) diodes with Cathodes tied together to the plus (+) side of the...
H.G.
garciah@...
Mar 3, 2002 3:57 pm
7107
JOHN: I forgot to mention diode power dissipation . Make sure that the diodes you use are rated to about 2 or more times the power source max current...
