Q&A: I’m looking for the best, low-mid RPM cheap generator/alternator.?

by Chris Devers

Question by Joar N: I’m looking for the best, low-mid RPM cheap generator/alternator.?
In order to build a wind turbine for my home. What ever information would be helpful.

Also might anyone know how to convert a car alternator to work at lower RPM?

Thanks in advance.

Best answer:

Answer by Brian BEbay has 12VDC motor for 30

What do you think? Answer below!

May 17th, 2012 | Tags: , , , , | Category: Wind Power | One comment

Would you be really interested into buying cheap cheap solar thermal panels?

by shankargallery

Question by Gran Sasso: Would you be really interested into buying cheap cheap solar thermal panels?

Best answer:

Answer by Casey Hyes I would love to have solar panels but the cost is too much

Give your answer to this question below!

April 15th, 2012 | Tags: , , , , , , , , | Category: Solar Power | 3 comments

The common salt(NaCl) is the big cheap solution to store a great amount of solar/wind energy. Why not…?

by Third Way

Question by Anthony M: The common salt(NaCl) is the big cheap solution to store a great amount of solar/wind energy. Why not…?
ok…

it needs some experimentations, however it seems to work very well…
This NaCl peculiarity comes from its high value of the heat of fusion(about 300 kwh/m3 – in addition a little salt mine can easily contain 100 millions m3 of salt…) .
It means that solar energy can be used to melt the salt, then it can release heat constantly…

Do you agree?………..

Best answer:

Answer by jim zIf you could find a cheap way to store the salt, insulate [...]

April 1st, 2012 | Tags: , , , , , , , , , | Category: Solar Power | 2 comments

how to build a cheap solar panel as my own renewable energy source?

Question by : how to build a cheap solar panel as my own renewable energy source?

Best answer:

Answer by PeterYou can’t do it cheap

Add your own answer in the comments!

March 29th, 2012 | Tags: , , , , , , | Category: Solar Power | 5 comments

Solar Panels: How long will it be before solar panels are cheap & effecient enough so that everyone?

Question by Bman: Solar Panels: How long will it be before solar panels are cheap & effecient enough so that everyone?
will at least consider them for their home electricity? I’ve seen several articles that new technologies are now being used, but it doesn’t seem to be promoted to residential apps. I’ve even seen that the solar technology will be used in paints in the near future.

Best answer:

Answer by electronichssIn my opinion everyone should consider them. Fuel prices are fated to go up while juice from a PV array is free after the initial price (and constant). Payoff’s arent [...]

March 11th, 2012 | Tags: , , , , , , , | Category: Solar Power | 3 comments

Who killed the solar panel projects? Shouldn’t we be gettin cheap solar panels by now?

Question by Big Bro Handiwipes II: Who killed the solar panel projects? Shouldn’t we be gettin cheap solar panels by now?

I realize cons might consider this socialist but our dependence on expensive energy is just too much

Best answer:

Answer by RyndalYeah, power that doesn’t come from big oil would be nice.

Oh, wait…

Know better? Leave your own answer in the comments!

March 10th, 2012 | Tags: , , , , , , , | Category: Solar Power | 10 comments
 
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