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Posts tagged long
HOW LONG DOES IT TAKE A WIND TURBINE TO PAY FOR ITSELF?
Sep 4th
Question by BigDavez:
How long does it take a wind turbine to pay for itself?
Just an average size wind turbine in a wind farm.
Managed to find the answer myself, The average wind farm in the UK will pay back the energy used in its manufacture within six to eight months, this compares favourably with coal or nuclear power stations, which take about six months.
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HOW LONG DOES IT TAKE TO RECHARGE A CAR BATTERY WITH A WIND TURBINE?
Aug 5th
Question by Chaco-Yekke Downyonder:
How long does it take to recharge a automobile battery with a wind turbine?
I’m planning to build a catamaran from two surfboards, attach a DC pump motor, put a seat on it and a wind turbine (500W) and make this thing my commuter boat. It needs to cover 8 miles in under an hour and back, and I hope to recharge it over night using the wind turbine only (the thing will be moored in Otago Harbour, southern New Zealand, and I am planning to swim out to it in the mornings using a wetsuit).
How many batteries do you reckon I need, how huge an engine do I need to get up to about 10 knots, and how many wind turbines are necessary to recharge this thing over night?
As you can see, I am a determined fool.
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WHAT IS THE BEST WAY TO SAVE ELECTRICITY 1) TO LEAVE COMPUTER RUNNING ALL DAY LONG OR 2) TURN ON AND SHUT DOWN?
Jul 21st
Question by Travelling B:
What is the ideal way to save electricity 1) to leave personal running all day long or 2) turn on and shut down?
I want to save electricity and I am never sure which one is better… What do you think?
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HOW LONG OF A STRING OF LED ROPE LIGHTS DOES IT TAKE TO GET A DECENT AMOUNT OF LIGHT IN A BEDROOM?
Jun 7th
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LED LIGHT TUBE WITH 12 BRIGHT BULBS – 30 INCHES LONG
Apr 18th
Product Description
30 inch light tube hangs or sticks into the ground. 12 LED bulbs run on 3 AA batteries. Interior of the tube diffuses the light and creates a Bamboo Effect. Use for both indoor and outdoor events…. More >>
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Lowest Price Online:
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G E LIGHTING 75394 LONG NECK LED BULB 320 LUMENS
Mar 17th
- Led10p30ln/nfl, 10w
- Par 30 led bulb
- Long neck, 320 lumens
- 20,000 hours rated life
- 24 degree beam narrow flood
Product Description
Led10p30ln/Nfl, 10W, Par 30 LED Bulb, Long Neck, 320 Lumens, 20,000 Hours Rated Life, 24 Degree Beam Narrow Flood, Medium Base, Long Life, Low Energy. Warm Light Output, Carded…. More >>
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Lowest Price Online: $60.78
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TEKTRUM 80W SOLAR PANEL/BLOCKING DIODE CABLE/2M LONG CABLE/CLAMPS BATTERY CHARGER KIT FOR RV, HOME, BOAT, POOL
Mar 11th
- Made of monocrystalline PV — the most energy efficient material; CE certified;
- An extra 2m long cable with clamps provides the simple connection to batteries or electronic devices
- Dimension 47.4in x 21.5in x 1.4in (1205 x 545 x 35mm); Maximum Power (Pmax) 80Watts;
- Maximum Power Voltage (Vmp) 17.64V; Maximum Power Current (Imp) 4.54A; Open Circuit Voltage 21.88V
- Short Circuit Current (Isc) 4.98A; An extra blocking diode cable prevents reverse current flow.
Product Description
80w Solar Panel/2m Cable/Clamps Battery Charger Kit Package Includes One 80 watt Monocrystalline Solar Panel, One Blocking Diode Cable and One 2-Meter Long Charging Cable with Clamps. This solar panel generates free electricity by charging under sunlight during daytime for use with house, RV, boat, yacht, car, camping, as well as many electronics such as laptop, stereo, television, radio, fan, outdoor lighting. The solar panel and the cables included construct a complete battery charger kits. Features: Made of monocrystalline PV — the most energy efficient material; An extra blocking diode cable prevents reverse current flowing from battery to solar panel during night-time; An extra two-meter long cable with c… More >>
TEKTRUM 50 WATT SOLAR PANEL/BLOCKING DIODE CABLE/2M LONG CABLE AND CLAMPS BATTERY CHARGER KIT FOR RV, HOME, BOAT, POOL
Feb 9th
- Made of monocrystalline PV — the most energy efficient material; CE certified;
- An extra 2m long cable with clamps provides the simple connection to batteries or electronic devices
- Dimension 30.7inx21.5inx1.4in (780×545x35mm);Maximum Power (Pmax) 50Watts;
- Maximum Power Voltage (Vmp) 17.5V; Maximum Current (Imp) 2.86A;Open Circuit Voltage (Voc) 21.5V
- Short Circuit Current (Isc) 3.03A; An extra blocking diode cable prevents reverse current flow;
Product Description
50w Solar Panel/2m Cable/Clamps Battery Charger Kit Package Includes One 50 watt Monocrystalline Solar Panel, One Blocking Diode Cable and One 2-Meter Long Charging Cable with Clamps. This solar panel generates free electricity by charging under sunlight during daytime for use with house, RV, boat, yacht, car, camping, as well as many electronics such as laptop, stereo, television, radio, fan, outdoor lighting. The solar panel and the cables included construct a com… More >>
TEKTRUM 30W SOLAR PANEL/BLOCKING DIODE CABLE/2M LONG CABLE AND CLAMPS BATTERY CHARGER KIT FOR RV, HOME, BOAT, POOL
Jan 25th
- Made of monocrystalline PV — the most energy efficient material; CE certified;
- An extra 2m long cable with clamps provides the simple connection to batteries or electronic devices
- Dimension 18.3in x 21.9in x 1.4in (464 x 556 x 35mm); Maximum Power (Pmax) 30Watts;
- Maximum Power Voltage (Vmp) 17.5V;Maximum Power Current (Imp) 1.72A;Open Circuit Voltage (Voc) 21.2V
- Short Circuit Current (Isc) 1.93A; An extra blocking diode cable prevents reverse current flow.
Product Description
30w Solar Panel/2m Cable/Clamps Battery Charger Kit Package Includes One 30 watt Monocrystalline Solar Panel, One Blocking Diode Cable and One 2-Meter Long Charging Cable with Clamps. This solar panel generates free electricity by charging under sunlight during daytime for use with house, RV, boat, yacht, car, camping, as well as many electronics such as laptop, stereo, television, radio, fan, outdoor lighting. The solar panel and the cables included construct a com… More >>