Finished balsa wood
weights can vary for a variety of reasons. These include the age and size of the
tree, location of the trunk cut and the kiln drying process. Commercial balsa
wood used formodel airplane construction typically weighs between 6 and 18
pounds per cubic foot. The most commonweights available are between 8 to 12
pounds per cubic foot. Six pounds or less is considered contest grade wood.
The strength of balsa varies in direct relation to its density or weight -
the heavier the wood the stronger it is. The above chart was designed with 10
lb./cu. ft. balsa as the median. In other words, balsa at IO Ibs./cu. ft. has
been tested given a value of 100. The other woods were then tested in the same
way and given a figure that is numerically in proportion. By comparing the
relative strength figures in the chart, it will be seen that balsa is as strong
or stronger, pound for pound, than most of the species shown.
Finished balsa wood, like you find in model airplane kits, varies widely in
weight. Balsa is occasionally found weighing as little as 4 lbs. per cu. ft. On
the other hand, you can also find balsa which will weigh 24 lbs or more per cu.
ft. However, the general run of commercial balsa for model airplanes will weigh
between 6 and 18 pounds per cu. ft. Eight to twelve pound balsa is considered
medium or average weight, and is the most plentiful. Six pound or less is
considered "contest grade", which is very rare and sometimes even impossible to
obtain.
Because the range of balsa wood densities can vary so much, a modeler must
specify the types of balsa wood desired. Use the lightest grades possible for
sections of your model that do not bear weight or require strength, such as nose
cowls, fill-in and shaped wing tips. Select a heavier cut of wood for areas
requiring strength such as wing spars, fuselage formers and stringers.
Article resource: http://www.balsafactory.com/
2013年8月30日星期五
2013年8月29日星期四
Pine comes in several varieties
Pine
Pine comes in several varieties, including Ponderosa, Sugar, White, and Yellow, and all of them make great furniture. In some areas of the country (especially southwest United States), pine is the wood to use. Pine is very easy to work with and, because most varieties are relatively soft, it lends itself to carving.Here to know more about balsa wood, which is the softest wood in the world.
Pine generally takes stain very well (as long as you seal the wood first), although Ponderosa pine tends to ooze sap, so be careful when using this stuff. Pine is available from most home centers, but it's often of a lesser grade than what you can find at a decent lumberyard.
Redwood
Like cedar, redwood is used mostly for outdoor projects because of its resistance to moisture. Redwood (California redwood) is fairly soft and has a straight grain. As its name suggests, it has a reddish tint to it. Redwood is easy to work with, is relatively soft (2 on a scale of 1 to 4), and is moderately priced. You can find redwood at your local home center.
Homing in on hardwoods
Most woodworkers love to work with hardwoods. The variety of colors, textures, and grain patterns makes for some beautiful and interesting-looking furniture. The downside to hardwoods is their price. Some of the more exotic species can be too expensive to use for anything more than an accent.
Some hardwoods are becoming very hard to find and are being harvested without concern to their eventual extinction (Brazilian rosewood comes to mind). Not only is this hard on the environment, it drives the price of the wood so high that making furniture out of it is out of the question for most woodworkers. If you can, try to buy wood from a sustainable forest (commercial tree farms that ensure the supply of the wood). Check out the National Hardwood Lumber Association for ways to support sustainable forestry.
Following is a list of common hardwoods and their characteristics.
For more, are you also interested in balsa block , you can take a more information in our website http://www.balsafactory.com/ .
Pine comes in several varieties, including Ponderosa, Sugar, White, and Yellow, and all of them make great furniture. In some areas of the country (especially southwest United States), pine is the wood to use. Pine is very easy to work with and, because most varieties are relatively soft, it lends itself to carving.Here to know more about balsa wood, which is the softest wood in the world.
Pine generally takes stain very well (as long as you seal the wood first), although Ponderosa pine tends to ooze sap, so be careful when using this stuff. Pine is available from most home centers, but it's often of a lesser grade than what you can find at a decent lumberyard.
Redwood
Like cedar, redwood is used mostly for outdoor projects because of its resistance to moisture. Redwood (California redwood) is fairly soft and has a straight grain. As its name suggests, it has a reddish tint to it. Redwood is easy to work with, is relatively soft (2 on a scale of 1 to 4), and is moderately priced. You can find redwood at your local home center.
Homing in on hardwoods
Most woodworkers love to work with hardwoods. The variety of colors, textures, and grain patterns makes for some beautiful and interesting-looking furniture. The downside to hardwoods is their price. Some of the more exotic species can be too expensive to use for anything more than an accent.
Some hardwoods are becoming very hard to find and are being harvested without concern to their eventual extinction (Brazilian rosewood comes to mind). Not only is this hard on the environment, it drives the price of the wood so high that making furniture out of it is out of the question for most woodworkers. If you can, try to buy wood from a sustainable forest (commercial tree farms that ensure the supply of the wood). Check out the National Hardwood Lumber Association for ways to support sustainable forestry.
Following is a list of common hardwoods and their characteristics.
For more, are you also interested in balsa block , you can take a more information in our website http://www.balsafactory.com/ .
2013年8月27日星期二
Tips on consturct balsa RC model
Once balsa RC model is
constructed, you should paint it actually. Balsa wood is well known among
consumers for lightweight, soft and easy to work with. As we have introduced in
our previous articles, balsa wood is light since it has special construction
cells. The cells are large within thin walls. Although there are other woods
that are lighter than balsa, they are not ideal choices for making RC model
since they are weaker and can't bear high stress. Paint the balsa RC model is
simple, you can follow me to know more detailed information.
First of all, prepare something that you will use during your painting process, like drop cloths, 80-grit sandpaper, clean cloth, sealant, paint brushes, white primer, paint, painter's tape and so forth. Generally, you are advised to paint your model in a well-lighted area. What should you know is that you should paint all sides of the RC model and you should see the plane model from every angle to ensure all fzbmcihlwd angle has been painted. You should add a layer of clear coat paint after the paint has dried if you want your RC model to have a glossy appearance. When you choose paint, you should take consideration of your model power type. Acrylic paint is more susceptible to attack by liquids like alcohol if your model is powered by a fuel rather than battery.
lay out drop cloths beneath your completed RC model. The drop cloths may vary in size, depending on the size of your model.
use a sandpaper to sand the balsa wood surface. Wipe away the excess wood dust by swiping a clean cloth across the surface of the balsa wood.
use a paint brush to apply a coat of sealant to the wood. Small paint brushes used for artistic paintings work well actually. And various sizes may be available to suit your model size. Use the clean paint brush to prime the RC model. Add a coat of white primer and the primer will help make the paint adhere well to the plane and not peel off.
paint your model with your favorite color. Wait until one color dries before applying the next color. Use painter's tape to obtain straight lines as long as you like.
Here to know more about balsa round , And this article comes from website http://www.balsafactory.com/ .
First of all, prepare something that you will use during your painting process, like drop cloths, 80-grit sandpaper, clean cloth, sealant, paint brushes, white primer, paint, painter's tape and so forth. Generally, you are advised to paint your model in a well-lighted area. What should you know is that you should paint all sides of the RC model and you should see the plane model from every angle to ensure all fzbmcihlwd angle has been painted. You should add a layer of clear coat paint after the paint has dried if you want your RC model to have a glossy appearance. When you choose paint, you should take consideration of your model power type. Acrylic paint is more susceptible to attack by liquids like alcohol if your model is powered by a fuel rather than battery.
lay out drop cloths beneath your completed RC model. The drop cloths may vary in size, depending on the size of your model.
use a sandpaper to sand the balsa wood surface. Wipe away the excess wood dust by swiping a clean cloth across the surface of the balsa wood.
use a paint brush to apply a coat of sealant to the wood. Small paint brushes used for artistic paintings work well actually. And various sizes may be available to suit your model size. Use the clean paint brush to prime the RC model. Add a coat of white primer and the primer will help make the paint adhere well to the plane and not peel off.
paint your model with your favorite color. Wait until one color dries before applying the next color. Use painter's tape to obtain straight lines as long as you like.
Here to know more about balsa round , And this article comes from website http://www.balsafactory.com/ .
2013年8月23日星期五
What is the difference between a hardwood and a softwood?
As it turns out, a hardwood is not necessarily a harder material (more dense)
and a softwood is not necessarily a softer material (less dense). For example,
balsa wood is one of the lightest, least dense woods there is, and it's
considered a hardwood.If you are also intereted in balsa wood, you can go to our
website.
The distinction between hardwood and softwood actually has to do with plant reproduction. All trees reproduce by producing seeds, but the seed structure varies. Hardwood trees are angiosperms, plants that produce seeds with some sort of covering. This might be a fruit, such as an apple, or a hard shell, such as an acorn.
Softwoods, on the other hand, are gymnosperms. These plants let seeds fall to the ground as is, with no covering. Pine trees, which grow seeds in hard cones, fall into this category. In conifers like pines, these seeds are released into the wind once they mature. This spreads the plant's seed over a wider area.
For the most part, angiosperm trees lose their leaves during cold czmcihlwd weather while gymnosperm trees keep their leaves all year round. So, it's also accurate to say evergreens are softwoods and deciduous trees are hardwoods.
The hardwood/softwood terminology does make some sense. Evergreens do tend to be less dense than deciduous trees, and therefore easier to cut, while most hardwoods tend to be more dense, and therefore sturdier. But, as the classification of balsa wood demonstrates, there is no minimum weight requirement to become a hardwood.
Know more about balsa rectangle in our website , and you can use these softwood to make models, such as airplane, glider,or even bridge. This article comes from http://www.balsafactory.com/ .
The distinction between hardwood and softwood actually has to do with plant reproduction. All trees reproduce by producing seeds, but the seed structure varies. Hardwood trees are angiosperms, plants that produce seeds with some sort of covering. This might be a fruit, such as an apple, or a hard shell, such as an acorn.
Softwoods, on the other hand, are gymnosperms. These plants let seeds fall to the ground as is, with no covering. Pine trees, which grow seeds in hard cones, fall into this category. In conifers like pines, these seeds are released into the wind once they mature. This spreads the plant's seed over a wider area.
For the most part, angiosperm trees lose their leaves during cold czmcihlwd weather while gymnosperm trees keep their leaves all year round. So, it's also accurate to say evergreens are softwoods and deciduous trees are hardwoods.
The hardwood/softwood terminology does make some sense. Evergreens do tend to be less dense than deciduous trees, and therefore easier to cut, while most hardwoods tend to be more dense, and therefore sturdier. But, as the classification of balsa wood demonstrates, there is no minimum weight requirement to become a hardwood.
Know more about balsa rectangle in our website , and you can use these softwood to make models, such as airplane, glider,or even bridge. This article comes from http://www.balsafactory.com/ .
2013年8月22日星期四
Properties of those softwoods
PINE: Pine is a softwood which grows in most areas of the Northern
Hemisphere. There are more than 100 species worldwideYou may also want to know
the info about the softwood balsa . Here to know more. .
Properties: Pine is a soft, white or pale yellow wood which is light weight, straight grained and lacks figure. It resists shrinking and swelling. Knotty pine is often used for decorative effect.
Uses: Pine is often used for country or provincial furniture. xzmcdhlwd Pickled, whitened, painted and oil finishes are often used on this wood.
ASH: There are 16 species of ash which grow in the eastern United States. Of these, the white ash is the largest and most commercially important.
Properties: Ash is a hard, heavy, ring porous hardwood. It has a prominent grain that resembles oak, and a white to light brown color. Ash can be differentiated from hickory (pecan) which it also resembles, by white dots in the darker summerwood which can be seen with the naked eye. Ash burls have a twisted, interwoven figure.
Uses: Ash is widely used for structural frames and steam bent furniture pieces. It is often less expensive than comparable hardwoods.
HICKORY: There are 15 species of hickory in the eastern United States, eight of which are commercially important.
Properties: Hickory is one of the heaviest and hardest woods available. Pecan is a species of hickory sometimes used in furniture. It has a close grain without much figure.
Uses: Wood from the hickory is used for structural parts, especially where strength and thinness are required. Decorative hickory veneers are also commonly used.
BEECH: The American beech is a single species which grows in the eastern half of the United States.
Properties & Uses: Beech is a hard, strong, heavy wood with tiny pores and large conspicuous medullary rays, similar in appearance to maple. This relatively inexpensive wood has reddish brown heartwood and light sapwood. Beech is often used for frames, a variety of bent and turned parts. Quarter sliced and half round cut beech veneers are commonly used.
Here to know more about balsa round, article resource: http://www.balsafactory.com/ .
Properties: Pine is a soft, white or pale yellow wood which is light weight, straight grained and lacks figure. It resists shrinking and swelling. Knotty pine is often used for decorative effect.
Uses: Pine is often used for country or provincial furniture. xzmcdhlwd Pickled, whitened, painted and oil finishes are often used on this wood.
ASH: There are 16 species of ash which grow in the eastern United States. Of these, the white ash is the largest and most commercially important.
Properties: Ash is a hard, heavy, ring porous hardwood. It has a prominent grain that resembles oak, and a white to light brown color. Ash can be differentiated from hickory (pecan) which it also resembles, by white dots in the darker summerwood which can be seen with the naked eye. Ash burls have a twisted, interwoven figure.
Uses: Ash is widely used for structural frames and steam bent furniture pieces. It is often less expensive than comparable hardwoods.
HICKORY: There are 15 species of hickory in the eastern United States, eight of which are commercially important.
Properties: Hickory is one of the heaviest and hardest woods available. Pecan is a species of hickory sometimes used in furniture. It has a close grain without much figure.
Uses: Wood from the hickory is used for structural parts, especially where strength and thinness are required. Decorative hickory veneers are also commonly used.
BEECH: The American beech is a single species which grows in the eastern half of the United States.
Properties & Uses: Beech is a hard, strong, heavy wood with tiny pores and large conspicuous medullary rays, similar in appearance to maple. This relatively inexpensive wood has reddish brown heartwood and light sapwood. Beech is often used for frames, a variety of bent and turned parts. Quarter sliced and half round cut beech veneers are commonly used.
Here to know more about balsa round, article resource: http://www.balsafactory.com/ .
2013年8月21日星期三
Why to use balsa wood make models ?
For the hobby makers across the globe, there are few types of woods they
prefer to xzmbchlwd choose to make models. Among them, balsa wood is always the
most favourite type. The balsa wood is flexible and strong, and
so it could ease the difficulty to assemble the models and guarantee the
strength at the same time. If fact, the flexibility and stability expand the
application of balsa wood. In other fields, including building the real planes
and boats, balsa wood could make its effort.
Balsa tree comes from the South America. The aborigines used it to make the boats and the boats have been prevened to be strong and flexible. Perhaps the hobby makers have other choices while making other models. For example, the bicycle models or the tower models could be made from the steel wires. Frankly, while making these models, the wires are more suitable than the balsa wood. However, when it comes to make boat models, the balsa wood is the choice that could not be better.
The steel may sink while placing on the water. Even you are endowed with the gift to create a pressure-tight air chamber to stop sinking, you would have to make more effort to prevent the rust. If the hobby makers choose the balsa wood to make the boat models, as we all know, the density of the wood is lighter than the water, so the wood could float on the surface of the water for its original nature. Besides, the makers never need to worry about the rust. All they need to do is to paint the boat to prevent the rotting.
While the hobby makers are going to make the model planes, they will choose the balsa wood as well. That is because of its lighter weight. Generally, the planes need to to lighter and so it could fly with less energy. If you choose the steel or other metal material to make the planes, you will have to make a greater effort to enhance the capacity of the power engine.
Further more, the balsa wood is easy to assemble. You could glue the pieces of balsa woods together with the suitable adhesives while there are none type of adhesives which are designed for the metals. So if you are going to make the models, balsa wood would be your best choice..IF you may also want to know more about balsa block , you can go to our website to find the knowledge about them. Here is the website: http://www.balsafactory.com/.
Balsa tree comes from the South America. The aborigines used it to make the boats and the boats have been prevened to be strong and flexible. Perhaps the hobby makers have other choices while making other models. For example, the bicycle models or the tower models could be made from the steel wires. Frankly, while making these models, the wires are more suitable than the balsa wood. However, when it comes to make boat models, the balsa wood is the choice that could not be better.
The steel may sink while placing on the water. Even you are endowed with the gift to create a pressure-tight air chamber to stop sinking, you would have to make more effort to prevent the rust. If the hobby makers choose the balsa wood to make the boat models, as we all know, the density of the wood is lighter than the water, so the wood could float on the surface of the water for its original nature. Besides, the makers never need to worry about the rust. All they need to do is to paint the boat to prevent the rotting.
While the hobby makers are going to make the model planes, they will choose the balsa wood as well. That is because of its lighter weight. Generally, the planes need to to lighter and so it could fly with less energy. If you choose the steel or other metal material to make the planes, you will have to make a greater effort to enhance the capacity of the power engine.
Further more, the balsa wood is easy to assemble. You could glue the pieces of balsa woods together with the suitable adhesives while there are none type of adhesives which are designed for the metals. So if you are going to make the models, balsa wood would be your best choice..IF you may also want to know more about balsa block , you can go to our website to find the knowledge about them. Here is the website: http://www.balsafactory.com/.
2013年8月20日星期二
why people prefer to make balsa surfboard nowadays?
Do you know why people prefer to make balsa surfboard nowadays? To tell you
the truth, the balsa wood was the favourite material to make surfboard once. But
with the presence of plastic material at the begin of last century, the fame of
balsa wood was decreased. However, the fever of balsa surfboard has come back in
the past decades due to the concept of environmental protection. While you see
the surfers who are fighting with the waves, no matter in Hawaii or at the beach
of California, the materials used to create surfboard are mainly balsa wood.
While people choose the plastic materials to make surfboard, they are attracted by the cheaper price and its resistance to water. Besides, some types of plastic are designed with the ability to absorb the shock and retain the original shape while suffering from huge pressure. But as we all know, the plastic is difficult to be disposed. For example, nowadays, the so called "white pollution" is caused by the abuse of plastic bags.
On the contrary, the balsa wood is much more environmental friendly. With the excellent skills, the workers could carve the balsa wood into the most proper shape to fight with the waves. The balsa wood is born with amazing buoyancy and so the surfers could perform better. The stable structure of the balsa wood could enhance the safety of the players. While the balsa surfboards are broker, they could be burned completely. As compared with its counterpart, the plastic surfboards would cause much trouble while they are not useful.
If you are planning to make surfboard by yourself, balsa wood would be your best choice. It is difficult to find the plastic board with the suitable shape while the balsa wood is easy to purchase online. In addition, the wood is easy to cut and you could be in full control of the production process. But you should be knowledgeable about the mechanics which means you should know how the board could endure more pressure, how the board could go through the wave better and how to make the board to meet your body.
Of course, the balsa wood attain wider applications except for being used to make surfboards. It is the most popular wood to make models and it has played an important role in the production of buoyant apparatus. If you are looking for the high quality balsa wood, no matter you are using it for which kind of purpose.For more, if you are also interested in bass polywood , you can go to our website to know more.
Article resource: http://www.balsafactory.com/.
While people choose the plastic materials to make surfboard, they are attracted by the cheaper price and its resistance to water. Besides, some types of plastic are designed with the ability to absorb the shock and retain the original shape while suffering from huge pressure. But as we all know, the plastic is difficult to be disposed. For example, nowadays, the so called "white pollution" is caused by the abuse of plastic bags.
On the contrary, the balsa wood is much more environmental friendly. With the excellent skills, the workers could carve the balsa wood into the most proper shape to fight with the waves. The balsa wood is born with amazing buoyancy and so the surfers could perform better. The stable structure of the balsa wood could enhance the safety of the players. While the balsa surfboards are broker, they could be burned completely. As compared with its counterpart, the plastic surfboards would cause much trouble while they are not useful.
If you are planning to make surfboard by yourself, balsa wood would be your best choice. It is difficult to find the plastic board with the suitable shape while the balsa wood is easy to purchase online. In addition, the wood is easy to cut and you could be in full control of the production process. But you should be knowledgeable about the mechanics which means you should know how the board could endure more pressure, how the board could go through the wave better and how to make the board to meet your body.
Of course, the balsa wood attain wider applications except for being used to make surfboards. It is the most popular wood to make models and it has played an important role in the production of buoyant apparatus. If you are looking for the high quality balsa wood, no matter you are using it for which kind of purpose.For more, if you are also interested in bass polywood , you can go to our website to know more.
Article resource: http://www.balsafactory.com/.
订阅：
博文 (Atom)