Wednesday, May 9, 2012

Nelson Mandela: Free at Last (Institutional Use)

Nelson Mandela: Free at Last (Institutional Use)

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Post Date : May 09, 2012 16:15:10
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Nelson Mandela: Free at Last (Institutional Use)

Nelson Mandela: Free at Last (Institutional Use)

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Wednesday, May 2, 2012

Foods of Italy: La Cucina Italiana

Foods of Italy: La Cucina Italiana

Foods of Italy: La Cucina Italiana

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Post Date : May 02, 2012 08:21:07
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Foods of Italy: La Cucina Italiana

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Monday, April 16, 2012

The Pear (Institutional Use)

The Pear (Institutional Use)

The Pear (Institutional Use)
The Pear (Institutional Use)

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Thursday, April 5, 2012

Spiritual Writers Course

Spiritual Writers Course

Spiritual Writers Course
Spiritual Writers Course

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Sunday, April 1, 2012

SAW

Onsale For! SAW

SAW - The Best Review

SAW

SAW

  • Traps of Lethal Cunning: Jigsaw has laid out a gauntlet of torturous traps for a handful of innocents. Only you stand between them and the most brutal death imaginable. Think quickly and act! The clock is ticking.
  • Choices of conscience: The player is forced to make difficult moral choices. Who lives and who dies in the game is determined by the player?s choices.
  • Mysteries Revealed: Unanswered questions from the films are finally laid to rest. Gamers will discover the origin of Jigsaw and why he devoted his life to games, while also finding out what happened to the characters from the first SAW movie.
  • An Ecology of Terror: The asylum in which Jigsaw has trapped you is abandoned, but it is far from empty. It is a living world of horror populated by Jigsaw?s minions and the insane souls they torture? and they have no intention of letting you leave.

Jigsaw has killed your partner and destroyed your life. Now he has trapped you in an abandoned insane asylum that he alone controls. If you can defeat his brutal traps and survive, you may just discover the truth behind what drives this twisted serial killer. SAW is a third-person perspective, survival horror game based on the SAW film franchise, which has grossed more than 5M worldwide and sold more than 28 million DVDs. The game features many of the deadly mechanical traps seen in the film, as well as terrifying new ones. Players will pit their wits against Jigsaw as they navigate his world in an attempt to evade and escape his gruesome traps, while also struggling against his minions in brutal combat by using weapons found within the environment. SAW, the video game, is based on a treatment from Zombie Studios and the creators of the SAW franchise, Leigh Whannell and James Wan. The timeline for the game takes place between the movies: SAW and SAW II, giving the game its own story, yet fitting within the narratives of the movies. The story centers on Detective David Tapp who awakens in a decrepit, abandoned asylum. He has been captured by his longtime nemesis, Jigsaw. Obsessed with catching this serial killer, Tapp’s mission has consumed him and ruined his family, resulting in divorce, mental imbalance, and abandonment. Worse yet, this frantic hunt destroyed Tapp’s career while he watched his long-time friend and partner get killed by one of Jigsaw’s traps. Now Jigsaw has the upper hand and has captured the detective. Tapp must play a deadly game—the likes of which he has been investigating for years—to escape, and in order to do so he must survive the lethal traps and puzzles that Jigsaw has put in place for him and others. But each victim has a dark connection to Tapp. Will Tapp save them? Can he survive his obsession to find the Jigsaw killer?

( Product Infomation Posted On Time : Apr 01, 2012 04:32:42 View Last Update Infomation At Amazon)

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Tuesday, March 27, 2012

San Yuan Li (Institutional Use)

San Yuan Li (Institutional Use)

San Yuan Li (Institutional Use)

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San Yuan Li (Institutional Use)

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Monday, March 19, 2012

Studio Lighting Essentials for Portrait Photography

Studio Lighting Essentials for Portrait Photography

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Studio Lighting Essentials for Portrait Photography

Studio Lighting Essentials for Portrait Photography

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Wednesday, February 8, 2012

Xantrex Freedom SW2012 12V 2000W Inverter/Charger

!±8± Xantrex Freedom SW2012 12V 2000W Inverter/Charger

Brand : Xantrex | Rate : | Price : $1,287.60
Post Date : Feb 08, 2012 18:37:38 | Usually ships in 1-2 business days


Xantrex Freedon SW2012 Inverter/Charger815-201212V 2000W - 120 Vac / 60 HzPowerful. Configurable. Versatile... The NEW GENERATION Freedom SW series represents highly sophisticated and advanced inverter/ chargers available in 3000 W with 150 A charger and 2000 W with 100 A charger models. Product DescriptionThe second generation 2000 watt model has been completely redesigned to include many of the same great features found in its high power counterpart.A key feature enhancement is 'Generator Support Mode' which enables the Freedom SW to supplement a generator when AC loads exceed the generator's capacity. The new generation models also feature improved AC transfer/AC input detection time providing the ability to transfer AC loads to batteries in less than 10 milliseconds when the incoming grid or generator power is lost. Connected loads are almost unable to feel the power transition due to this quick transfer time. Both models are approved to UL458 with marine supplement CSA ABYC and FCC Class B requirements.NEW - PARALLEL AND SERIES STACKINGParallel stacking enables the Freedom SW inverter/chargers to double the AC output in inverter mode. Series stacking enables the Freedom SW inverter/chargers to generate 120/240 V split phase output2 2 AC source must be split phase requires Stacking Cable (part# 808-9005)ApplicationDesigned for a variety of mobile applications such as commercial emergency and recreational vehicles marine vessels construction and military equipment.Product FeaturesPure sine wave output to operate sensitive electronics Advanced configuration options for customized applications Parallel and series stacking capability Built-in transfer switch automatically transfers between inverter power and incoming AC powerPower factor corrected multi-stage charger for fast efficient chargingTemperature compensated charging for a vareity of climate conditionsIgnit

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Xantrex Freedom SW2012 12V 2000W Inverter/Charger

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Wednesday, January 11, 2012

Monday, December 26, 2011

How to Make a Solar Powered Car

!±8± How to Make a Solar Powered Car

These directions are for amateur builders who have never built a solar car before or those that have partial skill with building mini solar powered vehicles. These plans are only meant to guide new builders for their very first solar powered car.

Be creative and original when you create your solar powered car. Everyone involved in the creation of the vehicle should sketch up some ideas of the looks and functionality of the solar vehicle. Of the drawings you must also consider the efficiency of the design. It's unwise to have a heavy solar powered car. Your first car will be here are very simple, yet cost effective and very well made.

You must think about design of the solar car. Here are a few items of interest to go along with the design you come up with:Cost: You don't need to spend a fortune. Weight: Heavy solar vehicles will reduce speed and distance so keep your solar car light. Materials: If you can't find the exact material needed you can always improvise. Durability: Will your final products start to crumble under the pressure of distance and velocity? The track or runway: You don't need a track but you should consider using a smooth surface to run your vehicle on.
SAMPLE MATERIALS

- Solar cells and Panels
- 2 1.5V AA batteries
- Pulleys
- Gears
- Wheels
- Electric hobby motor
- Wire
- Elastics
- Fishing line
- Skewers or Chop Stix
- Metal coat hangers
- Straws
- Light-weight recyclable materials
- Alligator clip test leads
- Duct tape
- Corrugated cardboard

SOLAR PANELS

For your first try with you solar vehicle it's recommended to use two panels of solar cells. Each panel will consist of two cells. The panels will have leads through the ends of the panels for a direct circuit connection. The solar cells are extremely fragile so be sure to handle them with caution and care. It can be expensive to replace solar panels because of neglect of the material.

Do not cut the backing of the solar panels. If you do you can crack the cells and this will reduce efficiency of the panel. You want to squeeze every bit of energy from your panels so don't cut the backing.   The solar cells can be tested and is recommended that each cell have 0.5V

 HOBBY MOTOR

A standard DC hobby motor can be used to mount to the frame of your solar car. You can usually get a motor from a RC hoppy shop for around twenty bucks. The motors should be rated to 1.5-3 V

CONSTRUCTING THE SOLAR CAR

Think of the materials you would like to use for your first solar powered car. Remember you need to use lightweight materials.

Use recyclable material to construct your solar powered car. The lighter the frame and materials the better your car will utilize solar energy. After creating the framework for your solar vehicle you can mount the solar panels in a direction to maximize energy. This means you should have your panels directly face the sun. Next, connect the panels from the circuit leads to the hobby motor. 26 gauge wire will work just fine. Here's the tricky part. Connecting the motor to the wheels on your solar vehicle. Your pulleys must be installed exactly the same distance of each other or your car will veer left or right. Make sure that the pulleys are also lined up correctly. Precise installation of the pulley system will create the right amount of tension for the elastics or fishing line. If you have gears installed, you must consider the gear ratio, corresponding to the motor so you don't strip the internal gears of the motor. A smaller pulley/gear on the motor and a larger pulley/gear on the axle will give you the most performance durability. Mounting the wheels can be a daunting task. The wheels should be lubed up with graphite or WD-40. The wheels on your solar powered car should be squared up and not unevenly installed. The goal of mounting your wheels is to minimize wobble. 

Installing the solar panels to the car must be done with finesse. You do not want to crack or chip the panels. The solar panels must be tightly attached to the car so that they do not fall off during your first run. Don't forget to mount the solar panels horizontally facing the sun for maximum efficiency.


How to Make a Solar Powered Car

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Saturday, December 10, 2011

Sunforce 50048 60-Watt Solar Charging Kit

!±8± Sunforce 50048 60-Watt Solar Charging Kit

Brand : Sunforce | Rate : | Price : $299.00
Post Date : Dec 11, 2011 01:20:12 | Usually ships in 24 hours

The Sunforce 60-Watt Solar Charging Kit gives you several more reasons to love the sun. Perfect for cabins, recreational vehicles, remote power, back-up power, 12V battery charging and more, this kit comes with everything you need to start producing up to 60 watts/4 amps of clean, free power in all weather conditions. It is also a great choice for clean and silent operation of various electronics, like deer feeders and landscaping pumps. Made of durable ABS plastic and amorphous solar cells, the solar panels will charge in all daylight conditions, even on cloudy days. With built-in blocking diode technology, this charger kit is designed to protect against battery discharge at night. This kit includes: four 15W amorphous solar panels ,a PVC mounting frame, 7 -amp charge controller, 200 Watt inverter, and wiring/connection cables. The maximum temperature range is -40 to 176-degrees Fahrenheit. The Sunforce 60 Watt Solar Charging Kit is the ideal solution for providing the power you need, while helping you save money and protect the environment.

  • Amorphous solar charging kit provides up to 60 watts of clean, free, renewable power
  • Designed for RVs, cabins, homes, boats, back-up and remote power use
  • Weatherproof, durable solar panels can withstand impacts from hailstones travelling 50 miles-per-hour
  • Built-in blocking diode helps protect against battery discharge at night
  • Complete kit includes four 15W amorphous solar panels, a PVC mounting frame, a 7-amp charge controller, 200-watt inverter, and wiring/connection cables

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Sunday, December 4, 2011

Tripp Lite APS750 750W 12V DC to AC Inverter with Automatic Line-to-Battery 20-Amp Charger

!±8± Tripp Lite APS750 750W 12V DC to AC Inverter with Automatic Line-to-Battery 20-Amp Charger

Brand : Tripp Lite | Rate : | Price : $295.77
Post Date : Dec 05, 2011 05:06:31 | Usually ships in 24 hours


12V DC, 120V AC - 120V AC - Continuous Power:750W

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Saturday, November 26, 2011

Marine Electronics

!±8± Marine Electronics

Autopilots - The first self-steering gear was introduced in the 1920's to control model yachts but it was not until 1948 that the principle was applied to full scale yachts. Standing at the helm for lengthy periods, monitoring instruments and keeping a good look out can be very tiring. An autopilot relieves the helmsman from steering the correct course leaving him free to maintain a proper watch. The autopilot can be set to either steer a compass course or a course relative to the wind. A fluxgate compass or electronic wind indicator feeds information to a microprocessor which then makes the necessary rudder movements to return the vessel to it's required course. The mechanical power is applied to the rudder by either electric linear activators, hydraulic pumps or rotary drives. GPS/Chart plotters can be used to input navigational instructions to the autopilot.

Battery Chargers will keep batteries fully charged thereby extending their working life.

Chart Plotters - Typically a chart plotter consists of an antenna, mounted high on the boat, to track GPS signals and a display unit sited either at the at the navigation station or the helm of the vessel. The vessels position is sent from the antenna to the display unit which in turn shows it graphically on the chart. The Chart itself will look similar to it's paper equivalent and show depth, land mass, navigational aids such as bouys and potential dangers in the form of wrecks and obstructions. The user can add way points to the chart and zoom in and out of the display. Chart plotters can be connected to drive an autopilot and/or send GPS data to a fish finder or radar. They can also interface with a laptop enabling complex passage planning to be done away from the boat and then entered into the chart plotter after arriving at the boat.

Magnetic Transmitting Compasses work like traditional compasses using magnets to determine the vessels orientation to the earth's magnetic field they then transmit the boats heading to an electronic display. They make steering easier than with conventional compasses because they display steadier headings and do not suffer from the "lag" that occurs when making a turn. They can interface with chart plotters, autopilots and radar. Fluxgate Compasses consist of two pieces of readily saturated magnetic material with coils wound round them in opposing directions. AC current is passed through the coils and the material is saturated in one direction and then the other. The earth's magnetic field affects slightly the time at which saturation occurs, earlier in one coil and later in the other. The difference is then calculated giving an output proportional to the earth's magnetic field. They are accurate to 0.1 of a degree. Their output can be displayed digitally to the helmsman or they can interface with autopilots, chart plotters and radar.

Echo Sounders work on the same principle as sonar. A transducer emits a narrow beam of high frequency sound. This is reflected by any solid objects and the time between transmission and receipt of the echo is measured. The speed of sound through water is know and so the range or distance to the sea bed can be calculated. That is then displayed in metres. Forward Looking Sonar (FLS) enables you to see the underwater hazards before you're actually on top of them. A typical range for a FLS is 150 metres.

An Emergency Position Indicating Radio Beacon (EPIRB) is a piece of equipment designed to float free of a vessel in distress. It then sends a radio signal that can be detected by Search and Rescue Satellite Aided Tracking (SARSAT) satellites. They relay a message to a ground station that in turn can instigate a search and rescue operation.

Fish Finders use the same technology as sonar. A narrow beam of high frequency sound is transmitted by a transducer, this is reflected by solid objects such as the sea bed. By developing this technology fishfinders provide displays that show where the fish are and they can differentiate between bait fish and larger species

Global Positioning System (GPS Receivers) - This system was originally designed for military purposes and is owned and operated by the United States Department of Defence. 24 satellites are arranged in a "birdcage" around the globe, they are positioned in such a way that at any place on the earth's surface a direct line of sight can be established to a minimum of 4 satellites. A fix is obtained by measuring accurately the distance between a satellite and the GPS receiver at a precise time. Because the exact position of the satellite is known, these distances provide position lines which are converted by a microprocessor within the GPS receiver to read outs of latitude and longitude.

The log is used to measure the boats speed through the water. A paddle wheel or impeller, mounted below the waterline is turned by the flow of water, this generates electrical impulses that are fed to a microprocessor that displays both speed and distance run.

Inverters - On most boats today you will find domestic equipment of one sort or another. For on board entertainment there are televisions and stereo systems. With the popularity of chart plotters comes the PC or laptop. Maintenance often requires the use of power tools. Liveaboards might have a washing machine, dishwasher or microwave. Can take 12v, 24v or 48v supply and convert it to a stable 110 v or 220v AC supply.

Navtex can perhaps best be described as a continuously updated telex service providing navigation and weather information within specified areas. An on board receiver, tuned to 518kHz, the worldwide Navtex frequency, if left turned on will either print out or display the latest massages sent from a local station. The service is available up to 400 miles from the coast.

Radar enables you to see what otherwise would be invisible. They offer greatest benefit at night and in fog or rain and are of particular value when close to shore or in busy shipping lanes. They consist of an antenna and a display. The antenna sends out a stream of RF energy which is reflected back off hard objects. When this energy is bounced back it is converted to a signal which displayed to the user. The antenna rotates every few seconds, the display continuously calculates the direction of the antenna and so a precise bearing to the target is calculated. The time is measured for the energy to be reflected and so the distance of the target is also displayed.

Satellite Phones consist of an antenna, a modem and a normal handset. They are powered by an iridium battery. Their range is anywhere covered by in Inmarsat Mini-M satellite. Voice, fax, email and data can be transmitted.

Satellite TV requires an antenna and of course a television. Reception is available within a "footprint" which is based on EIRP (Effective Isotropic Radiated Power) of a transmitting satellite. The EUTELSAT together with the two ASTRA satellites cover Europe. NILESAT and the two ARABSATs cover Africa and the Middle East. Good coverage is also available in North, Central and Southern America.

SSB Radio has a range of several thousand miles. You will need an FFC license, or the equivalent in whichever country you plan to operate it. Power consumption is a consideration. Up to 100 Watts may be required for transmission. SSB radio requires several items of equipment. A transceiver capable of SSB operation, An antenna, this must be 8 metres long and in practice most boats use a backstay or shroud for the purpose having fitted the necessary insulators. An antenna tuner matched to the transceiver model. If you want to send email you will also need and radio modem and computer.

VHF Radio The power required to transmit is minimal, all sets have the option of transmitting on either 1 Watt or 25 Watts and the lower power should be used whenever possible. Unlike telephones that allow you to both talk and hear at the same time most VHF sets require you to press a transmit button prior to talking. This is known as simplex. Duplex sets are available but are much more expensive. VHF radio waves travel in straight lines so the aerial should be mounted as high as possible, preferably at the masthead.


Marine Electronics

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Sunday, November 20, 2011

Cobra CPI 1575 1500 Watt 12 Volt DC to 120 Volt AC Power Inverter

!±8±Cobra CPI 1575 1500 Watt 12 Volt DC to 120 Volt AC Power Inverter

Brand : Cobra
Rate :
Price : $96.95
Post Date : Nov 20, 2011 16:16:48
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This inverter provides household power on the go. It converts battery power to 120 V AC household power, allowing you to power up office equipment and household appliances from your vehicle. This unit is ideal for such appliances as microwave ovens (1000 watts or less), coffeemakers, laptops, TVs, video game consoles, CD and DVD players, cell phone chargers, and more.

Power equipment and appliances from your vehicle. Click to enlarge.

Great for automobiles, RVs, boats, tractors, trucks, and more. Click to enlarge.

Includes three grounded AC receptacles and 5-volt USB output. Click to enlarge.

How The Cobra Power Inverter Works
The Cobra power inverter is an electronic product that has been designed and built to take low-voltage DC (Direct Current) power from your automobile or other low-voltage power supplies and convert it to standard 115 volt AC (Alternating Current) power like the current you have in your home. This conversion process thereby allows you to use many of your household appliances and electronic products in automobiles, RVs, boats, tractors, trucks, and virtually anywhere else.

Cobra 1500 Watt Output Waveform
Some very sensitive electronic equipment might not operate satisfactorily on "square wave" or "modified sine wave" power. The output waveform of the Cobra Inverter is a "square wave" or "modified sine wave." It is a stepped waveform designed to have characteristics similar to the sine wave shape of utility power. A waveform of this nature is suitable for most AC loads, including linear and switching power suppliers used in electronic equipment, transformers, and motors.

AC receptacles
With three ground AC receptacles, you can connect and power multiple devices at once.

USB Output
The 5-Volt USB output allows charging and operation of modern portable devices, such as iPods, BlackBerrys, and cell phones.

Remote On/Off Switch Capable
An optional Remote On/Off Switch can be connected to the Remote Jack, allowing you to turn the Cobra power inverter on or off from a convenient location when the inverter is installed out of reach.

Safety Features
The CPI 1575 will notify you with a flashing meter and alarm sound when there is a power problem, and will shut down for protection in the following situations:

  • Current Overload Protection--If the inverter is overloaded, it will shut down to protect itself.
  • Short Circuit Protection--If the AC output of the inverter is short-circuited for one second or more, it will shut down to protect itself.
  • Low Voltage Protection--If the input voltage drops to 10.0V or less, the inverter will shut down to protect itself.
  • High Voltage Protection--If the DC input voltage rises above 15.0V, the inverter will shut down to protect itself.
  • Over Temperature Protection--If the internal temperature rises to 40 degrees C (104 degrees F), the inverter will shut down to protect itself.

What's in the Box
CPI 1575 DC to AC Power Inverter, instruction manual

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Monday, November 14, 2011

Boating Direct Blog - Episode #2, "Upgrading Your Boat's Electrical Systems"

Join Tom Doyle, captain of the Celtic Sea, as he walks you through improvements made to his ship's marine electrical system. Featuring the replacement of an electrical cable from shore power plug to AC master panel breaker, as well as the installation of a galvanic isolator. For more information on highlighted products, check out the Boating Direct Marine Store! www.boatingdirect.net Music is "Ocean Shores" by Kelley Vice. www.archive.org

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Monday, October 31, 2011

Marine Solar Panel Installation - A Weekend Project For Your Boat

!±8± Marine Solar Panel Installation - A Weekend Project For Your Boat

If you moor your boat on the hard, on a trailer, or on the water at a marina you may have been confronted with having a dead battery when you turned the key to start the engine. And it always seems to happen when you have perfect boating weather with calm seas. A battery charger comes in pretty handy for times like these as it can keep a floating charge to keep the batteries topped off. With marine solar panels you can avoid these situations as they are a environmentally practical choice to maintain a full charge on your batteries. 

As a rule of thumb, marine batteries dissipate an average of 1% of their charge on a daily basis dependent upon the weather conditions. So in order to maintain a float charge on the battery, a 100-amp battery would require a solar energy system that would be capable of 1 amp/day output.

Since a solar power system is actually rated in watts, to figure output amps, simply divide the wattage rating of the panels by 15. So a typical 5-watt panel would give you a maximum output of .33 amps a day. Because of the fact that the highest rate output occurs when the sun is directly overhead, expect an average rated output of about 5 hours a day. Thus, the 5-watt panel would give approximately 1.65 amp hours (5 x 0.33).

When designing a system for your boat, use 3.5 watts per 100 amp hours of battery capacity taking into account cloudy days as well as running essential systems like bilge pumps if you are in the water. As with normal battery maintenance, check your water level regularly! 

Regardless of the panel size you decide to go with, make absolutely certain that you have a minimum of 33 cells. Fewer than 33 cells will be insufficient to charge the batteries. If cruising in an area where cloudy days seem to outnumber the cloudless ones, you may want to research thinner filmed panels versus the normal crystalline ones as this type deal better with low light conditions.

Mount the panels in an area that will be allow them direct access to the suns rays keeping in mind that as the boat moves (especially on anchor) you want to be able to angle the panels accordingly to maintain contact with the sun. Usually this would be the highest point on the boat like radar arches or rigged to sail masts. I have however seen a number of deck mounted installations but keep in mind that the panels do produce heat so leave room enough under the panels so that the heat can be dissipated.

Wire it all together with marine-graded wire. The positive (+) terminal from the panel will connect to the positive battery post and consequently the negative (­-) terminal from the panel to the negative post on the battery. Although panels with a max output of no more than 1% of the battery power do not require a regulator, I would certainly advise for a regulator as a precaution and give you peace of mind when the boat is unattended. Essential will be an in-line fuse that is close to the battery this would protect against a short and prevent potential fires. If your boat has both a starter and house bank, you can have a solar electrical system that is dedicated for each one wired separately.


Marine Solar Panel Installation - A Weekend Project For Your Boat

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Friday, October 21, 2011

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