Archive for category How to…

Sahimo: Hydrogen Powered Car Consuming 1L/568 km!

Posted by Ovidiu Sandru in Electric Vehicles, How to... on July 6, 2009

Something truly amazing comes from Turkey: some students from Sakarya University just released a prototype of what seems to be a car – but a car that consumes no more than a liter of hydrogen in a range of 568km (355 miles)! Read more on Cars and Trees -

DIY: How to Make a Cheap Solar Cell from Tea and Donuts

Posted by Ovidiu Sandru in Experiments, How to..., Solar Power on April 21, 2009

The Holy Grail of energy has been, is, and will be the solar power. Numerous solutions of converting solar power have existed along the centuries, and people have always used the Sun to power things up, except for the last hundred years or so – that’s the main reason we all got into troubles with mother nature.

DIY: Home Built Steam Powered iPod Charger

Posted by Ovidiu Sandru in Green Electronics, How to... on April 14, 2009

What can you do with a steam powered engine, a LEGO toy kit, some wood sticks and a USB cable?

How to Make a $5 Solar Powered Water Heater From Junk Fridge

Posted by Ovidiu Sandru in How to..., Solar Power on February 17, 2009

One simple way of making hot water has been perfected by a blogger on thesietch.org, and it relies on a simple and easy to find piece of junk: an old refrigerator!

DIY: How to Build the Simplest Electric Motor in Your Kitchen (video)

Posted by Ovidiu Sandru in Experiments, How to..., Video on January 11, 2009

Electric motors have simple designs, are easy to operate and have a great resistance to various environments. That’s why they are to be chosen as alternative to internal combustion engines. This is a trivial experiment showing how you can feel you made a real electric motor yourself. Just for fun.

How To Heat Up Your Room Using Just a Candle: Kandle Heeter!

Posted by Ovidiu Sandru in How to... on November 6, 2008

Doyle Doss, a Northern California Inventor, has created a candle powered space heater. It sounds like science fiction, but it really is a simple and green energy device, that could save you a lot of money by only lighting a candle, in the long run. The CO2 output of a candle is too small to mention, and the materials that this device is made of are all here since the Earth exists.

DIY: How to Build a 100W Vertical Axis Wind Turbine From PVC Pipes

Posted by Ovidiu Sandru in How to..., Wind Power on November 4, 2008

In this consumerism ruled times, the world needs to know ways to do stuff. When electricity generation is predicted to become more expensive (it’s like they predict an invasion of electric vehicles), people need to build their own power generating systems for their independence.

DIY: How to Build a Solar Furnace from a Satellite Dish

Posted by Ovidiu Sandru in How to..., Solar Power on September 8, 2008

This is about how to build a solar furnace out of a satellite antenna dish and mirror broken in many pieces. As you may know, satellite dishes have a focal point (that is a point in which the electromagnetic energy focuses at its maximum power).

DIY: How to Make a Coca Cola-based Battery

Posted by Ovidiu Sandru in Energy Storage, Experiments, How to..., Video on July 28, 2008

Here’s a method of producing a battery out of some Cola, salt, aluminum and copper coins. It lights a LED and it can be an interesting source of free energy!

DIY: How to Build a Vertical Axis Wind Turbine (VAWT)

Posted by Ovidiu Sandru in How to..., Wind Power on July 8, 2008

Today I found another DIY project for generating alternative energy, by using the wind. It is a Vertical Axis Wind Turbine (VAWT), and it works by the same principle those huge wind turbines do, but they are much more easy and less expensive to build.

10+1 Tips to Driving a Diesel Car Economically

Posted by Ovidiu Sandru in Climate Change, How to... on April 14, 2008

1. First of all, remove the aggressive tendency from your driving habits. I admit I myself like to be aggressive sometimes, it gives me chills, diesel cars have a lot of torque at low rpm, but from what I experienced that go fast-full stop-go-fast attitude costs me about 2 liters more per hundred kilometers. Sometimes [...]

How To Make Your Own Wind Generator

Posted by Ovidiu Sandru in How to..., Wind Power on April 10, 2008

I recently found a PDF describing a step by step method, with pictures, of how to make your own wind-powered free energy to power something up: a light bulb, your TV, laptop, or a small device. Or even charge a battery to light your house during the nights. Here it is. Enjoy!

Atmospheric Carbon CapturE SystemS – CO2 collected in sponges

Posted by Ovidiu Sandru in How to..., Hydrogen Power on March 29, 2008

The ACCESS, as you can see in the title, was developed by Global Research Technologies in Tucson, Arizona. They made a sponge-based system that filters out CO2 from the air and releases clean oxygen. The system has been made in a smaller-scale unit, that can momentarily capture only less than 100kg of CO2 per day, [...]

How To Build Your Own Stirling Engine Boat At Home!

Posted by Ovidiu Sandru in Experiments, How to..., Stirling engine on March 26, 2008

There are many ways for building of a hull, such as using frame of square lumbers or using F.R.P. Here, we build the hull using piled up boards of balsa. This can be built easily, and can stop the water leakage easily.

How to build a hydrogen fuel cell in your kitchen

Posted by Ovidiu Sandru in How to..., Hydrogen Power on March 25, 2008

Build a Fuel Cell with a couple of Band Aids, an MEA and a few scraps of stainless steel bug screen by Gavin D. J. Harper. The story as to how this design came into being is probably a little too much information, but worth sharing none the less. Having spent some time playing with Fuel [...]