Magni Work Free

Jumat, 15 Juli 2011

solar heat : Solar Hot Water System with a Parabolic Concentrator

One year ago, Solartron Energy Systems Inc. introduced the world to the first commercial available solar concentrator. The new 15ft (4.5m) diameter SolarBeam is capable of providing 13kW (44000 btu's) of thermal heat per hour. Unlike solar flat plate panels or evacuated tubes

solar systems : battery backup solar systems -- how they work

How a battery backup inverter is wired to the grid, how the backed-up circuits wiring is moved without going into the house, and how the inverter works. Why a charge-controller is needed, and how the MX-60 works. Peak power tracking (PPT)

wind generators: LEGO City Limited Edition Set #7747 Wind Turbine Transport

LEGO City Limited Edition Set #7747 Wind Turbine Transport

List Price: $149.99

Contains extendable truck that fits the wind turbine parts!2 minifigures and escort car included!Wind turbine measures 13 inches (33cm) tall!Truck and trailer measure 16 inches (41.9cm) long!

List Price: $149.99
Your Price: $39.00-
Transport and build a spinning wind turbine! LEGO® City is

power saver: Smart Strip LCG3 Energy Saving Surge Protector with Autoswitching Technology, 10-Outlet

Smart Strip LCG3 Energy Saving Surge Protector with Autoswitching Technology, 10-Outlet

List Price: $51.72

10-outlet surge protector with 6-foot cordRight-angle plug keeps cord close to the wallAutomatically turns off power when not in use to help save energySuperior EMI/RFI filtering to 52dB$200,000 Connected Equipment

backup power : Sunforce 50048 60-Watt Solar Charging Kit

amzn.to The Sunforce 50048 60-Watt Solar Charging Kit gives you several more reasons to love the sun. It provides the power you need, while helping you save money and protect the environment. This kit is ideal for cabins, recreational vehicles, remote power, back-up

power generator :

building diy : 피사의 사탑(PISA)

스콜라스 3D퍼즐 뜯어만드는세상 피사의 사탑 입니다. SCHOLAS 3D PUZZLE POP OUT WORLD PISAARCHITECTURE BUILDING MODEL DIY EDUCATIONAL TOY www.scholas.co.kr