Do a google for brake drum wind turbine. There are several plans available on the same theme. You might also check out the Mother Earth News online archive. I...
... Simple answer... they are not very efficient... Aircraft used counter rotating blades to try and soak up some of the horse power those huge engines were...
A cup type anemometer relies on drag rather than lift and develops much less power for a given area than a propellor type wind turbine. There are reasons why...
I recall reading that the Spitfire 22 with two 3 blade propellors counterrotating was about 5 mph slower (1%, suggesting about 3% less power at high speed)...
It was the propellers swaying off the (disc) plane of rotation that somewhat affected the safety of its use. And the jet engine proved cheaper to build and ...
Hi all, Just added some interesting pdf files to one of my pages. Included are some good info on homemade fuel cells, global warming, peak oil and powering...
Hi all, This is interesting - a hydrogen fireplace. Uses standard electrolysis of water. You still have to use electricity for it to work so it is definately ...
Hi all, Here is some very interesting info that was in a reply in another group regarding my hydrogen fireplace post. Message: 21 Date: Mon, 25 Apr 2005...
Hi tallex2002 Just want to let you know that the company is having probs with the Hydrogen Stove. From my source the front of the stove is blowing off ! Even...
Thanks for the info Bill. I posted that tidbit in an updated update!lol regards ... Hydrogen Stove. From my source the front of the stove is blowing off !...
George Bush will LOVE this idea-- it triples the amount of petroleum needed to provide the warmth, and triples the amount of CO2 produced. And, as he will...
Hi Ernie, Good one! Anything to help Mr. Environment.LOL You may want to read the update that I posted. There is some interesting patent info on Brown's gas...
Hi all, This so called hydrogen fireplace turns out to be a marketing gimmic. It is basically a hydrogen candle, no front door to blow off. To Bill; what was...
pulse tube refrigeration http://irtek.arc.nasa.gov/pulsetube.html Pulse-tube Refrigerator Unit http://www.nasatech.com/Briefs/Jun98/MFS26440.html Single Stage...
Good Day All, This meeting is scheduled at a time to not interfere with job searching or work schedules. If you can't make it this month, send an email to ...
Hello fellow researchers, A very kind, and caring gentleman owns the website http://www.aircaraccess.com. This site talks about air car inventors of the past...
Hello Jesse, I would like to thank you for sharing this information! I have been involved in energy research for over 35 years and this is the first technology...
Solar Panel Tracker http://www.alternate-energy.net/sol_track05.html Get your daily alternative energy news http://groups.yahoo.com/group/next_generation_grid ...
Acreage for sale next to our Self-Reliant Farm Our Farm is a Sustainable Technologies Educational Center which has taught food & energy self-reliance skills...
Hi all, There are a lot of smart, informed people on this list. Don't be shy to ask questions and discuss some of your projects that you are working on. I am...
Does Broadband Powerline have a roll to play on a smart grid? If so... 1) What are its advantages? 2) It's barriers to entry? 3) It's differentiation from...
Howdy all - I just recently joined the group, and it has been pretty interesting. One thing I would like to ask for is suggestions for transitioning into work...
Dear Tallex and other alternative energy experts or enthusiasts, What is, or are, the best, most cost effective, reliable technologies currently available in...
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