Forum: Renewable Energy
Yesterday, 09:12 PM
|
|
Replies: 1
Views: 80
|
Forum: Renewable Energy
05-22-2013, 01:29 PM
|
|
Replies: 16
Views: 263
I think this may be what you...
I think this may be what you need:
http://www.energeticforum.com/renewable-energy/2489-energy-transformed-pyramid-tomas-toerwang-aka-flavio-thomas.html
Also, see here:
Directory:Pyramid...
|
Forum: Renewable Energy
05-21-2013, 09:54 AM
|
|
Replies: 43
Views: 1,350
|
Forum: Renewable Energy
05-20-2013, 11:50 AM
|
|
Replies: 3
Views: 138
Ewizard speaks wiseley. If you get a few old...
Ewizard speaks wiseley. If you get a few old truck batteries, charge
them up with a wind turbine and use an inverter to get to mains AC
power, then you will have results in a week or so.
Use a...
|
Forum: Renewable Energy
05-16-2013, 03:51 PM
|
|
Replies: 43
Views: 1,350
Tornadoes - Many in Texas needs electricity.
Tornadoes cutting off mains power:
Thousands lose power after deadly Texas tornadoes | khou.com Houston (http://www.khou.com/news/national/207683681.html)
Are there any people in Texas to put a big...
|
Forum: Renewable Energy
05-14-2013, 12:43 PM
|
|
Replies: 9
Views: 348
|
Forum: Renewable Energy
05-12-2013, 09:32 PM
|
|
Replies: 14
Views: 301
Wow! Is this a case for "dimensional...
Wow! Is this a case for "dimensional analysis" ?
Output power (foot x pound per second) is proportional to:
wind speed (feet per second)
strength of magnets (gauss)
no. of coils
no of turns on...
|
Forum: Renewable Energy
05-12-2013, 12:38 PM
|
|
Replies: 14
Views: 831
|
Forum: Renewable Energy
05-11-2013, 10:14 PM
|
|
Replies: 169
Views: 16,710
|
Forum: Renewable Energy
05-10-2013, 10:22 PM
|
|
Replies: 14
Views: 301
Don't forget that each magnet will induce a...
Don't forget that each magnet will induce a voltage in TWO coils, the
two either side of it. And so, the inner coils will be hit by two magnets
at once. You will need to ensure they don't cancel out,...
|
Forum: Renewable Energy
05-09-2013, 03:05 PM
|
|
Replies: 169
Views: 16,710
|
Forum: Renewable Energy
05-08-2013, 04:00 PM
|
|
Replies: 169
Views: 16,710
Thanks for this. The key word is...
Thanks for this. The key word is "shunt" rather than "wound field".
which is what I have been using. Good to know.
Can you think of a mass produced piece of gear that would use
them? This is the...
|
Forum: Renewable Energy
05-07-2013, 03:17 PM
|
|
Replies: 169
Views: 16,710
|
Forum: Renewable Energy
05-06-2013, 11:04 PM
|
|
Replies: 169
Views: 16,710
|
Forum: Renewable Energy
05-01-2013, 09:24 PM
|
|
Replies: 43
Views: 1,350
|
Forum: Renewable Energy
04-28-2013, 01:49 PM
|
|
Replies: 1,817
Views: 113,747
...remembering, as you will, that Hi Fi...
...remembering, as you will, that Hi Fi amplifiers expect a certain
impedance at the output or you may find their output transistors
blow. An impedance matching transformer may be needed.
|
Forum: Renewable Energy
04-25-2013, 02:52 PM
|
|
Replies: 1,817
Views: 113,747
*** An interesting opportunity ***
In the UK,...
*** An interesting opportunity ***
In the UK, the store Robert Dyas are selling a two wok set at
considerably reduced price.
One is 25cm rim diameter and the other 30cm
These might well fit very...
|
Forum: Renewable Energy
04-23-2013, 02:27 PM
|
|
Replies: 43
Views: 1,350
|
Forum: Renewable Energy
04-21-2013, 06:26 PM
|
|
Replies: 96
Views: 7,681
|
Forum: Renewable Energy
04-20-2013, 03:28 PM
|
|
Replies: 1,817
Views: 113,747
You have to remember that this is about ringing...
You have to remember that this is about ringing and resonance.
Accuracy of the tuning is what gets the performance.
You need decent bowls, not beer cans.
Remember to tune to an octave of YOUR mains...
|
Forum: Renewable Energy
04-20-2013, 02:50 PM
|
|
Replies: 1,817
Views: 113,747
|
Forum: Renewable Energy
04-20-2013, 02:48 PM
|
|
Replies: 96
Views: 7,681
|
Forum: Renewable Energy
04-20-2013, 02:45 PM
|
|
Replies: 43
Views: 1,350
|
Forum: Renewable Energy
04-18-2013, 01:31 PM
|
|
Replies: 96
Views: 7,681
|
Forum: Renewable Energy
04-13-2013, 02:42 PM
|
|
Replies: 43
Views: 1,350
This generator head is only 10kw but is a...
This generator head is only 10kw but is a starting point. It does
not have a flange output plate which would be useful:
NorthStar Belt Driven Generator Head 10,000 Watt | Generator Heads|...
|