... sharing information that keeps the lights on.
What's New Archive
August 23, 2009 DIY installation of commercial solar pool heating system in Seattle.
August 20, 2009 Modifying commercial Wimshurst machine - added replacement screw information.
August 16, 2009 How to make an electroscope and why it works.
July 8, 2009 How to make your own solar cells at home.
June 23, 2009 Added photos and details about installing temperature sensors/thermistors for solar pool heating systems.
June 13, 2009 Added a main page about my EV Gray tube related experiments and a page about my EV Gray tube colliding positives with low current experiments.
May 26, 2009 Added a page about pure/true vs modified sine waves and inverters.
May 19, 2009 Added updates for May 19 to the Hyde generator replication attempt page: 5200 RPM!.
May 18, 2009 Added a page about a self-cleaning solar panel system using the venturi effect
May 5, 2009 Added updates for May 1 and May 5 to the Hyde generator replication attempt page.
April 24, 2009 Added details of my 2nd Hyde generator replication attempt.
April 7, 2009 Started a new section about my attempt at replicating the Hyde generator.
February 12, 2009 Added a schematic and details on using both the regular 30kV output wire as well as the FOCUS wire for a 1.2-4.6kV source.
February 10, 2009 Added a page with step-by-step DIY instructions from an installation of the commercial solar air heater, Solarsheat on a horse barn.
January 14, 2009 Found a possibility that the testatika's magnet circuit produces excess power in the same way that Hans Coler's Stromzeuger does.
November 12, 2008 Found a possibility that the testatika disk(s) produces excess power in the same way that the Hyde generator does.
November 9, 2008 Added a page just on commercial solar air heater manufacturers along with actual photos of installations which I've taken myself.
September 12, 2008 Enhanced solar power system types page with net metering disconnect and lightning arrester details and photos.
September 11, 2008 Added a page with a sample installation of a 10kW wind turbine.
September 5, 2008 Modifications to the lecher line page, including more data points, improved chart, more details on making measurements and fixed typos.
September 1, 2008 1. Added a page with an example of a homemade/DIY solar pool heating system.; 2. Added a section blueprint of all three stages of David Hamel's spaceship.; 3. Added a quote of David Hamel's actual 45GD experience and a few other details.
August 28, 2008 Added a page with a sample installation of solar power on a recreational vehicle/motorhome (RV solar).
July 13, 2008 Added a page about harvesting worm castings.
July 1, 2008 Added a page about Hans Coler's devices.
June 29, 2008 Added a page containing my theory of how David Hamel's devices with magnets attached to wobbling cones works.
April 9, 2008 Added a new theory about the high power from the testatika being a result of a 3 stage circuit.
April 7, 2008 Spring is here! Opened the outdoor worm composting bin to see how the worms survived the winter.
April 6, 2008 Added a page describing the different types of solar systems. Also added a summation to the main solar power page.
April 1, 2008 Added a page about vinyl testing with the single disk small machine testatika.
March 26, 2008 Added back a page on the old lifter test I did with a wind-shielded triple beam scale.
March 25, 2008 Added page with the remainder of the explanation of how solar power works: from the solar panels to the inverter (along with good explanation of AC vs DC electricity!).
March 17, 2008 Added measurements made of worm composting area, buried under 2 feet of snow!
March 11, 2008 Added a subsection on how to turn a piezo electric ignitor into an electrostatic generator.
February 28, 2008 Added pages detailing my outdoor to indoor airflow window solar air heater and my indoor to indoor airflow window solar air heater.
February 26, 2008 Added a page off of the testatika overview page containing videos of some of the testatika machines.
January 8, 2008 Added a page about using 2 sectors of a Wimshurst machine disk as capacitors for an RF LC resonant circuit along with a coil wrapped around a pulley.
January 7, 2008 Added a page containing an analysis of the grids and coils in the top left/right corners facing the front disk of the 3kW testatika machine.
December 21, 2007 Added a page about the second series of testatika magnet experiments, this time using my UHF POS400+ oscillator circuit.
December 4, 2007 Added a page about my working UHF oscillator circuit using the Mini-Circuits POS400+ chip. Also added a page about using a lecher line to measure frequency since I needed to do that to test the oscillator.
November 24, 2007 Added a page about the testatika Principle Experiment. It is linked to from the testatika overview page.
November 18, 2007 Added a new story that takes place ten years after the ice age hits Canada.
November 14, 2007 Added close-up photo of automatic control valve. Also added photos to the mainentance section of opened pipes and a shop vac.
October 29, 2007 New page all about solar domestic hot water. Also, added a new page all about heat.
October 8, 2007 New page all about solar pool heating.
September 16, 2007 Found a magnet that may be the same type used in the Linden Experiment.
August 8, 2007 New page decribing how the 3kW testatika could be a variable capacitor acting as a charge pump.
July 20, 2007 New page decribing recent experiments powering my testatika-like setup with a HV DC power supply and using two different pots to get DC output. Also, documented mark 4 testatika-like pots.
July 9, 2007 New page decribing use of a vinyl (i.e. easily chargable) disk for the back testatika disk.
July 7, 2007 New page decribing my new discs built based on my analysis of the 3kW testatika machine
June 24, 2007 Added a testatika page decribing the Linden Experiment. It is linked to from the testatika overview page. Note that I've also highlighted the similarity between it and the Roy Meyers device.
June 2, 2007 Added a dedicated page for worm composting summer temperature control and another for worm composting winter temperature control. Simplified the main temperature control page to suit.
February 20, 2007 New page with Testatika Clone from or by Jorge Resines added.
February 14, 2007 New page detailing a homemade mini can solar heater.
February 4, 2007 New sparking testatika pots tests but with the load wired in the same place as on the actual testatikas.
January 25, 2007 Added a new solar pumping topic to the renewable energy section.
January 16, 2007 Added a page to host Leon Tribe's lifter calculations.
December 18, 2006 More testatika pots testing this time with a spark gap for each pot and a Wimshurst machine driving it.
December 12, 2006 Added the new solar power topic to the renewable energy section, along with a layman's level explanation of how solar power works.
November 28, 2006 Added the new solar energy topic to the renewable energy section, a layman's level explanation of fusion in the sun, energy, and more...
Novemver 23, 2006 Added a new section on renewable energy with its first topic, solar air heaters! Also added another new section containing short stories.
November 2, 2006 Added insulation to the outdoor worm composting bin, both leaves and additional bedding, for winter.
October 21, 2006 New photo showing the testatika 3kW machine's front disc is transparent.
October 20, 2006 Added material to the worm composting feeding page about breaking down the food for cooler weather. Also added a new page about my new mini-bin.
September 14, 2006 New analysis of the testatika 3kW machine's sectors.
September 7, 2006 New testatika theory and test for how the pots produce DC.
September 1, 2006 New testatika test machine begun.
July 31, 2006 Added a general page about electrets along with details of making a D'Addario rosin electret and a rosin bag electret
July 27, 2006 Added a page about my new Wimshurst machine.
July 26, 2006 Added new pages on theories and observations for/of the testatika.
July 25, 2006 Added a page on making 75mm acrylic electrets.
July 17, 2006 Added links for Roy Meyers device to zinc/bare iron wire suppliers since they're hard to find.
July 16, 2006 1. Totally revamped Temperature Control page to reflect burying, geothermal cooling/heating, ... features of my outdoor wooden worm composting bin.; 2. As part of new temperature control information, added a whole new page on construction of the geothermal cooling/heating tubes.
July 8, 2006 Added whole section on practical worm composting (or vermicomposting).
June 15, 2006 1. Added home page, rimstar.org, created from old domain entrenet.com/~stevend; 2. Added main Equipment page; 3. Added main Materials page.
April 30, 1999 First webpages uploaded to the old domain, entrenet.com/~stevend.

If you have any suggestions of information to add, advice, corrections, ..., please send email to Steven Dufresne:
Created Jul. 8, 2004, Last Modified Jun. 14, 2010