Archive for category How to…

DIY Girl From Ohio Builds Her Own Electric Bike From Scratch – See How

Posted by Ovidiu in Electric Vehicles, How to... on July 6, 2010

It looks like men are not the only ones who love technology, welding, batteries and electric motors. After presenting the example of Eva Håkansson, who plans on building an electric motorcycle, I stumbled upon the story of another girl, Jennifer Holt, from Columbus, Ohio, who built her own electric bike.

build electric bike, diy electric bike, electric bicycle, electric bike, electric vehicle, how to build electric bike, Jennifer Holt

No Comments

Jake Explains How to Build a Super-Cheap Solar Water Heater

Posted by Ovidiu in How to..., Solar Power, Video on June 29, 2010

Solar water heaters are not a new idea, but people who often complain about rising energy prices should be reminded to use such devices to help heat their homes and take a shower, too.

cheap water heater, heat water from sun, how to build solar water heater, How to..., jake water heater, solar water heater, water heater, waterheater

1 Comment

How to Measure a Stirling Engine’s Efficiency (video)

Posted by Ovidiu in How to..., Stirling engine, Video on May 21, 2010

The next video shows a Stirling engine while working to achieve its best, powered by a 70W light bulb. The poster also shows how he measured various parameters of the engine, like speed, torque, input/output power.

engine efficiency, Stirling engine, stirling engine diy, stirling engine efficiency, stirling engine parameters, stirling engine torque

No Comments

DIY: How to Make a Solar Cell at Home From Readily Available Stuff and… Blackberries

Posted by Ovidiu in How to..., Solar Power on April 13, 2010

A very neat experiment that anyone with some skills can do in the garage or kitchen is creating a solar cell out of blackberry juice and titanium dioxide (and several other components).

blackberry solar cell, build solar cell, diy solar cell, dye sensitized cell, dye-sensitized solar cell, graetzel cell, gratzel cell, how to make solar cell, make solar cell, solar cell, Solar Power

No Comments

How to Build a Small-Scale Hydroelectric Generator

Posted by Mircea in How to..., Wave power on March 9, 2010

If you want to produce electricity using a river near your home, the best way you can do it is to build a small-scale hydroelectric generator. Often called as a low-impact hydro, micro-hydro or run-of-stream hydro generator, this system is not very hard to build.

alternative energy sources, convert water stream into electricity, home made hydroelectric generator, hydroelectric generator, hydroelectric turbine, low-impact hydro generator, micro-hydro generator, run-of-stream hydro generator, small scale hydroelectric generator

5 Comments

DIY 3D Solar Panel Powers Electric Motor From 2 LED Flashlights

Posted by Ovidiu in How to..., Solar Power, Video on January 21, 2010

Ryszard says it’s much more efficient to assemble solar cell this way than put them directly into light, where you’ll lose a lot through reflection back into the environment. Some recently invented anti-reflective coatings may even accelerate the light’s absorption into the solar cells. This is one of the advantages.

3d solar panel, compact solar panel, diy solar panel, efficient solar panel, home made solar panel, Ryszard Dzikowski, self-reflective solar panel

No Comments

How to Build a Gravity Engine: The Pinwheel Free Energy Generator

Posted by Ovidiu in Free Energy, Gravity, How to... on January 10, 2010

Pinwheels have been used for many things along history. One of the most interesting uses I’ve ever seen is making a pinwheel act as a free energy generator, powered by gravity.

Free Energy, free energy pinwheel, pinwheel electricity generator, pinwheel free energy, pinwheel generator, pinwheel gravitational motor, pinwheel gravity engine, pinwheel gravity motor

9 Comments

DIY: How to Build Your Own iPhone Solar Panel Charger With Just $50

Posted by Mike in How to..., Solar Power on November 1, 2009

The construction of this universal solar charger is very simple and cheap(only $50) . You don’t need to have any familiarity with electronics or prior circuit knowledge. It can be used to charge any device via USB.

$50 solar charger, build solar charger, cheap solar charger, diy solar, diy solar charger, how build solar, LaVie Solar, LaVie Solar Panel, solar charger, solar energy, solar panel, Solar Power, universal solar charger

No Comments

DIY: Rick’s Cheap Solar Panel Installation Powers His Home

Posted by Ovidiu in How to..., Solar Power on July 13, 2009

A lot of people want to be green in using energy but they don’t know where to start, or they don’t have enough money/time at their disposal to actually start making something useful.

diy solar power, Do it yourself, energy, environment, Rick, solar cell power, solar diy, solar panel, solar panel diy

No Comments

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

Posted by Ovidiu 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)!

electric car, hydrogen car, Hydrogen Powered Car, sahimo, sahimo ev, sahimo hydrogen car, Sakarya

No Comments