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Subject Started by Replies Views Last post
Gas bottles and their recycling......... « 1 2 » martin 19 19357 Last post June 29, 2017, 09:55:27 AM
by Ajarworks
CHP solar system. Nickel2 0 619 Last post December 31, 2017, 10:52:34 AM
by Nickel2
Any Apple mac knowledgeable bods (battery type for older models) MR GUS 0 621 Last post November 14, 2016, 11:36:41 AM
by MR GUS
Solar Thermal for water desalination dhaslam 0 658 Last post May 16, 2016, 12:17:13 PM
by dhaslam
Cheap workshop vacuum Nickel2 0 673 Last post April 13, 2016, 11:30:08 AM
by Nickel2
Peak trimming by cold storage! AndrewE 0 732 Last post October 12, 2015, 10:47:47 PM
by AndrewE
Modifying 110V Universal Motor Tools for DC Scruff 0 767 Last post July 31, 2016, 03:33:45 PM
by Scruff
JTEC - Johnson Thermo-Electrochemical Convertor djh 2 955 Last post August 16, 2016, 05:04:07 PM
by dhaslam
Nice baking oven video billi 0 965 Last post October 03, 2012, 10:45:41 AM
by billi
battery back up for TDC3 CONTROLLER delta c 0 989 Last post March 12, 2011, 06:28:06 PM
by delta c
Damn good Calc remover! MR GUS 2 991 Last post November 19, 2016, 04:20:43 PM
by MR GUS
Diy ice packs Greenbeast 3 993 Last post August 24, 2017, 02:15:11 PM
by A.L.
Global Warming - Possible Good News (for a change) M 0 999 Last post January 01, 2012, 08:10:10 AM
by M
Powering A gas Turbine. DaS Energy 0 1017 Last post May 24, 2013, 07:46:27 AM
by DaS Energy
Home "non industrial" solar panel carport. MR GUS 1 1039 Last post January 18, 2016, 04:49:22 PM
by MR GUS
3d scanner Ted 0 1053 Last post June 12, 2012, 11:36:02 AM
by Ted
Choosing a resistor for simple led project Greenbeast 3 1069 Last post January 30, 2015, 12:06:29 PM
by johnrae
Energy making mask dimogga 0 1070 Last post March 01, 2012, 11:19:30 AM
by dimogga
Renewable energy from Osmosis Ivan 0 1075 Last post December 11, 2009, 10:21:33 PM
by Ivan
Idea number 22,3467 , TEG's again ! waterworks 10 1107 Last post January 05, 2019, 06:05:10 PM
by Countrypaul
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