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Snap-On 870013 15 Gauge 1-1/4 inch to 2-1/2 inch Angled Finish Nailer Review

Snap-On 870013 15 Gauge 1-1/4 inch to 2-1/2 inch Angled Finish Nailer Feature

• Magnesium Housing ¿ weighs only 4.4 lbs for reduced fatigue and easier operation. Adjustable Belt Hook ¿ multi position for ease of use
• Switchable trigger ¿ allows quick and easy selection of sequential or contact actuation. Tool-less depth adjustment ¿ fast and easy setting of fastener depth
• 360° Adjustable Exhaust - directs airflow away from operator. Built-in self-cleaning air filter ¿ prevents dirt and other contaminants from entering tool
• Integrated Bumpers ¿ for protection of tool and work piece. Aluminum magazine ¿ for increased durability
• Comfort grip ¿ extends farther up on housing for added comfort. Rubberized Trigger Surface ¿ for added comfort and convenience

Snap-On 870013 15 Gauge 1-1/4 inch to 2-1/2 inch Angled Finish Nailer Overview

mfr: ALLTRADE, INC. 870013 15GA ANG FINISH NAILER

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*** Product Information and Prices Stored: Jun 01, 2010 06:55:11

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Fan Calculations - Measure Airflow with CFM

With one formula, you can find what fan is right for your home. This is the formula for fan CFM: Cubic feet per minute, more commonly known as CFM is calculated by the following formula: air speed (feet per minute) X area (square feet)=CFM. Not everyone is going to take a look at CFM, but for those who do it is a helpful tool. In simpler words than that of the formula, it is the amount of air a fan moves.

The amount of air depends on some other factors as well, such as the diameter and shape of the blades, speed at which the blades turn (revolutions per minute or rpm), horsepower (hp) of the motor, and overall fan design. These combined factors establish the air moving capacity of a fan. Fan capacity is measured in terms of the cubic feet, and again, this is how CFM (cubic feet per minute is determined.)

CFM and RPM are the two most important things to look for in a fan, so that you are guaranteed correct and effective operation. If you only know the RPM, and not the CFM, or vice versa, you should feel confident in your fan purchase. As long as you know one of the calculations, you are ensured of a well-working fan. However, if you are not satisfied with these calculations, this is not the only criteria one can use for evaluating fan performance.

One of the main qualifications, second to rpm and CFM measurement is noise level or decibel rating, followed by the next qualification of vibration. Look for fan noise levels rated in sones or decibels. Check these if the CFM or RPM still leave you unsettled about your fan choice.

A standard measurement of airflow indicates how many cubic feet of air passes by a stationary point in one minute. The higher the number, the more air is being forced through the system. The volumetric flow rate of a liquid or gas in cubic feet per minute equals the CFM, and one CFM equals approximately 2 liters per second.

Fan manufacturers base their measurements on a standard measurement with clean, dry air at a density of 0.075 pounds mass per cubic foot, barometric pressure at sea level of 29.92 inches of mercury, and a temperature of 70°F. These standard measurements are used to determine SCFM: Standard Cubic Feet Per Minute.

With the use of CFM and RPM, you can make a more educated choice when choosing your home ceiling, exhaust, or table fan, and know what you are getting!

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How a Power Inverter Can Save You Money Over a Gasoline Generator

It is based on using an inverter in home emergency purposes rather than a completely built unit that would power an entire house. These units often require large battery banks with an external source of power such as sun or wind generators to keep the batteries charged. Nor will it cover large gasoline, diesel, or propane generators that are connected to the fuse box of a house and power an entire house.

What it will be covering are small home generators that usually have a 3-5 gallon gas tank and a 2- 6 HP engine. These are run outside the house and power certain appliances inside the house via an electrical cord attached to the generator. The electrical power inverter we will be discussing will be powered by a single car battery which will require recharging every one to two hours by running the engine of the car.

Studies have shown that a V-6 automobile engine uses approximately 0.5 gallons of gas for every 90 minutes it is run. What this translates out to is that if you were to run a 750 watt inverter, you would have to recharge a 120amp battery every 2 hours by idling the car for 10 minutes. This means that you could get 36 hours of use from a 750 watt inverter on one gallon of gasoline. This equals a $3.00 fuel price every 24 hours if gasoline is priced at $4 a gallon.

A 4400 watt gasoline generator uses about 3.2 gallons of gasoline for every 8 hours of service. This comes out to 9.6 gallons of gas for a 24 hour period or around $38 for 24 hours of use.

If you are using a smaller generator such as a 1000 watt model, which in most cases is more practical, you would be using 1.2 gallons every 5-8 hours depending on the load. This comes out to $5 every 8 hours ,or $15 for every 24 hour period.

Now for the power inverter numbers. If you were using a 750 watt power inverter, which would be enough to power a laptop, small tv, dvd player, satellite dish box, and a lamp it would use 0.2 gallons for every 8 hours or 0.6 gallons for every 24 hours. for a cost of $2.40.

In summary the cost of running a 4400 watt generator for 24 hours is $38 and a 1000 watt generator for 24 hours is $15 and the cost of the inverter for 24 hours is $2.40

I feel many people do not use power inverters in emergencies just because they aren't familiar with them. They're easier to hook up then a generator. You just have to clip it on to your battery, plus the savings is substantial if you have a power outage for an extended period of time. For more information on this subject and the products come visit http://www.inverterssavegas.com

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*** Product Information and Prices Stored: May 30, 2010 17:25:08

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