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Author | |
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 Topic: water saving |
Mr Solar
Replies: 10
Views: 21396
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 Forum: Energy Efficiency and Construction/Major Projects Posted: Sat Nov 05, 05 5:36 pm Subject: water saving |
| Having installed a rain water harvesting system some 6 years ago at our home in Dorset, now in our sixties, we are still alive after using tons of free water off our roof top, passing it through 2 fil ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
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Forum: Energy Efficiency and Construction/Major Projects Posted: Sat Nov 05, 05 4:56 pm Subject: Pumping water |
| I expect if I carried out a survey across all those who subscribe to this web site with the question 'How many of you have invested in any form of renewable energy' I expect the the reply will be arou ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
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Forum: Energy Efficiency and Construction/Major Projects Posted: Thu Nov 03, 05 7:51 am Subject: Pumping water |
| Thats becouse of the low efficency of the ouput of PV that the area is large. If you go to thin film PV technology its even bigger to get the same as the efficency of that technology is 7%, the lower ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
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Forum: Energy Efficiency and Construction/Major Projects Posted: Wed Nov 02, 05 9:04 am Subject: Pumping water |
For every 100 watts of PV panels you need 1m2 of space, so 10 x 100 watts is 10m2.
Efficency of 12% compared to solar hot water vacuum tubes at 75% which uses 3m2 of space to deliver 1.2kW in best su ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
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Forum: Energy Efficiency and Construction/Major Projects Posted: Mon Oct 31, 05 8:59 am Subject: Pumping water |
This German made pump requires a higher voltage than 12 volts, hence connecting 2 x 55 watt PV panels together to create a closed circuit of 24 volts, open circuit of 36 volts.
The number of PV pan ... |
| Topic: BG teams up with Windsave |
Mr Solar
Replies: 35
Views: 36405
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Forum: Energy Efficiency and Construction/Major Projects Posted: Sun Oct 30, 05 5:07 pm Subject: BG teams up with Windsave |
| Having read through all the comments on the Windsave turbine as a possible answer to our home energy problems, with the price installed by BG somewhere between 1,500 and 2,000 to genarate around 15% o ... |
| Topic: Energy efficient lights at Tesco |
Mr Solar
Replies: 20
Views: 44552
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Forum: Energy Efficiency and Construction/Major Projects Posted: Sun Oct 30, 05 4:30 pm Subject: Energy efficient lights at Tesco |
| With low energy light bulbs proven to reduce electricty cost by up to 80%, reducing carbon emmisions at the same time, why hasnt the government in its goal to reduce Co2 cut the 17.5% value added tax ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
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Forum: Energy Efficiency and Construction/Major Projects Posted: Sun Oct 30, 05 3:49 pm Subject: Pumping water |
I sugested using solar power direct with a DC pump of this type becouse as yet nobody has spoken about the cost of a Ram pump.
This 2,000 litre an hour pump when the sun shines on the 2 panels is 320 ... |
| Topic: Can domestic wnd turbines make money? |
Mr Solar
Replies: 14
Views: 26106
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Forum: Energy Efficiency and Construction/Major Projects Posted: Wed Oct 26, 05 8:29 am Subject: Micro wind turbines and other similer technologies |
| My 400 watt 3 phase micro turbine is installed at the higest point of my roof to gain the maximum wind energy along with 6 x 55 watt PV panels and 44 vacuum tubes for my hot water and support to my sp ... |
| Topic: Pumping water |
Mr Solar
Replies: 55
Views: 164349
|
Forum: Energy Efficiency and Construction/Major Projects Posted: Wed Oct 26, 05 8:08 am Subject: Irigation pumping using the suns power |
 A recent solar powered water fall system was installed near Coventry in one of these country parks.
We supplied a 40 volt pump to 2 x 55 watt PV panels in seriers direct wiring to the pump.
This ... |
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