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How Vacuum Cleaners Work...

Posted by admin in Vacuum Cleaner on August 27, 2009 | No Comments

Even though it may appear to be a very complicated machine, the conventional vacuum cleaner is actually made up of six essential components:  intake port, exhaust port, electric motor, fan, porous bag, and  a housing that stores all of the other components.

When you plug the vacuum cleaner into the outlet and turn it on, the following happens:
1.  First of all, the electric current will operate the motor, which is attached to the fan, which resembles an airplane propeller.
2.  As the blades begin to turn, they will force the air upwards, towards the exhaust port.
3.  When the air particles are driven forwards, the density of the particles will increase in front of the fan and therefore decrease behind it.

The pressure drop that occurs behind the fan is similar to the pressure drop when you take a drink through a straw.  The pressure level in the area that is behind the fan will drop below the pressure level that is outside of the vacuum cleaner.

This will create a suction inside of the vacuum cleaner.  The ambient air will push itself into the vacuum cleaner through the intake port because the air pressure that is inside of the vacuum cleaner is much lower than the pressure on the outside.

Picking the dirt up
The stream of air that the vacuum generates is just like a stream of water.  The air particles that move will rub against any loose dust or debris and if it is light enough, the friction will carry the material around the inside of the vacuum cleaner.

As the dirt continues on to the exhaust port, it will pass through the cleaner bag.  They tiny holes in the vacuum cleaner bag are large enough to let the air pass through, although too small for the dust particles to fit through.  Therefore, when the air current gets into the bag, the dirt and debris will be collected there.

You can stick the bag anywhere along the path between the intake tube and the exhaust port, just as long as the air current passes through.

Suction
The power of a vacuum cleaner’s suction will depend on several factors.  The suction can be stronger or weaker depending on:
1.  Fan power – In order to generate a strong suction, the motor needs to turn at a good speed.
2.  Air passageway – When a lot of debris builds up in the bag, the air will face a greater level of resistance on the way out.  Each particle of air will move slowly due to the increase in  drag.  This is the reason why a vacuum cleaner works much better once you’ve replaced the bag than when you have been using it for a while.
3.  Size of the intake port – With the speed of the vacuum fan being constant, the amount of air that passes through the vacuum cleaner per second is also constant.

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The Power Tools Everyone Should Own and Why...

Posted by admin in Power Tool on August 22, 2009 | No Comments

Owning your own power tools is much easier than having to rent them or buy them when a household project comes up. It is much cheaper than hiring someone else to do the work if you are able to do it yourself. Since power tools aren’t cheap, you can reduce the expense and still accomplish most day to day projects at home with these tools. They are versatile and can be used for a variety of jobs.

A power screwdriver may not seem essential, but for those of us who have fought endlessly to get a screw in our out of somewhere in the home, we know all too well what a luxury they can be. It just a few seconds you can get that screw out of the wall or put in anchor screws to hang up picture frames. I keep my power screwdriver fully charged and ready to go. It is the power tool I reach for the most. Since they come with a tip that can be changed from Phillips to a flat head, there is no need to have any other screwdriver around.

A power drill, either with a cord or without, is very versatile. The biggest investment here is going to be on the various drill bits that you will need. The size and the type of drill bits you need depend on the project. You can purchase them individually, but you will get a better deal if you purchase an assortment that are sold in a package. Just make sure you only use the right drill bit for the type of drill you have and for the type of material you are drilling into.

Saws are the most commonly used of the power tools out there. You should purchase four different types of saws, and you will be set to take on most any project. A miter saw is fairly inexpensive. It works well for cutting angles on the edges of wood and other materials. This is great for getting the perfect fit on the corners on the first try. A jigsaw is great for placing circular cuts and square cut outs. One of the most common uses for a jigsaw is to cut out the power outlet when installing paneling. Most jigsaws are adaptable for a variety of saw blades and are easy to handle.

A circular saw is great for a variety of projects. You need to be very careful with a circular saw as many power tool injuries occur with this particular power tool. Always use a circular saw with a safety guard attached to it. Circular saws cut through most any kind of materials if you use the right saw blades. They can also cut through thick materials. You will also get a very smooth cut with a circular saw.

A table saw is usually an expensive power tool to invest in, but it will be very handy and last for years. It will only take a couple of ties using it to be glad you purchased one. There are many things you can do with a table saw. It is very helpful when you are cutting long pieces of material or heavy materials because you have a table to balance the weight on. It is also great for join pieces and getting a very straight cut.

These next two items are debated as to their necessity when it comes to power tools. It really depends on your preference and the types of projects you will be doing. A sander that works with or against the grain is something I recommend if you will be doing any type of sanding. This can be on a vehicle, furniture, or a number of other projects. Having a power sander is going to save you hours or even days of sanding by hand, depending on the size of the project. You will also get a nicer finish. Make sure you use the right grade of sandpaper. Start of with a very coarse grade and finish up with a finer grade for a very smooth finish.

A router is a great tool for detail work. If you will be engraving or doing finishing work, this is the tool you don’t want to be without. There are so many accessories for routers that you can be very creative with your designing.

While the power tools you purchase are completely up to you, this is a list of the ones that you should have as well as a brief explanation why. With these tools on hand, you will be ready to tackle a variety of household projects that are sure to materialize over the course of time.

Decline in Home Building...

Posted by admin in Home Building on August 15, 2009 | No Comments

The financial crisis is affecting everyone. People are losing their jobs and some have to foreclose their homes. As a result, there is a decline in home building making some doubt that now is now the right time to build a home.

But what if there was no financial crisis? What if you can borrow money from the bank? What if you have the cash on hand? If there were no problems, then yes why not build your dream home.

To help you along, this is what you have to do.

First, get in touch with the local builders that have constructed houses similar to the size, quality and features that you want. By talking to them, you get a straight answer as to how much it is going to cost for the entire project plus what materials they will use.

Since its been months or even a few years that these homes were built, you have to expect that it is going to cost more now to construct something similar. The rooms which will be the most expensive to make will be the bathroom and kitchen. The number of windows and their size is another factor as well as the vaulted ceilings and high roof pitches.

You will also have to include inflation because building a home increase from 3% to 6% annually. With this information, only look at homes that were built within the last 6 months.

Don’t forget to put a 10% additional allowance to your budget when you make your estimate because plans change and in most cases, you and you contract will encounter unforeseen circumstances. Naturally you have to deal with the situation otherwise there will be delays when everything will be finished.

Believe it not, the cost per square foot is higher for a small home than a big one. Why? Because the cost of items is spread over and a two story home if that is what you want has a smaller roof and foundation. The same goes for plumbing and ventilation.

Another thing that could reduce cost is the shape of the home. Houses that are shaped like a rectangle, square or dome shaped are more affordable to build since there are not that many angles or corners which increases the amount of labor and the materials that will be needed.

It will be much easier to select the final blueprints, which is the basis of the project once you have estimated the construction expenses.

As much as possible, work with even numbers because this reduces wasted materials. The ideal home to make should be not less than 32 feet deep otherwise your roof trusses will have to be custom made which will cost more.

If you had this property for a long time, then chances are the neighborhood around you is already well developed. You don’t have to haul a lot of dirt, do grading, clear trees or blast through large rocks if your property happens to be somewhat secluded.

No one in his right mind will construct a house when there is a decline in home building due to the financial crisis. You just have to keep these tips in mind when the economy does improve so you will already have an idea how much money you need to build it.

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Your workshop-garage heater...

Posted by admin in Garage Remodeling on August 9, 2009 | No Comments

Why do you need a heater for your remodeled garage? The answer for this question is pretty obvious: one of the major disadvantages of using your garage as a workshop or a home office is that it wasn’t meant for that. The garage is the special place reserved for your car, the garage is the room where you keep your lawn and garden accessories.

If you start using this space for other projects that you have, you need to deal with one of the major inconveniences, that is warmth. During the summer you don’t have to worry too much about this but during cold seasons you might find some difficulties in continuing your project because of the very low temperature.

You can find many ways to warm up your workshop- garage. You can try one of the porcelain heaters; they work great and can warm up a good area but they are not meant to warm a large space for a long time.

Another solution for you would be to use a kerosene heater. These heaters are easy to turn on, most of them have an electric starter. It should have a thermostat to be able to regulate the temperature also they have a specific scent, they do function on kerosene! So if you think you cannot handle this smell, a kerosene heater wouldn’t be a good choice for you. They are quite dangerous for your children, if they have access to the garage and you would definitely want to ventilate very well the garage!

A very good and popular choice nowadays is a gas heater. Of course you have to hire a professional to install it. You can find a gas heater suited to your budget for remodeling the garage. There are many models and almost all of them are fairly inexpensive. The main advantage of a gas heater is that it gives you a consistently warm environment. They are available in both manual and thermostatic control types. You would probably prefer a model that has a thermostat, even though its price is a little higher than the price of a manual temperature control model. The only thing that you have to do is to set it on a desired temperature and leave it to do its job.

There are two types of gas heaters: vented and vent less. The vent less unit uses air from the room and the vented model has a system that vents directly out of the garage. The disadvantage of the vent less model is that you have to keep the room vented at all times because the unit uses the air from the room where it has been installed. The main advantage for the both types of gas heaters is that they have a pretty low running cost compared to the kerosene and electric heaters.

Remember that if you choose to install a more advanced heating system like a gas heater, you must ask for a professional’s help.

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