Normally, the cabin space of a truck is limited, and it is unusually difficult to handle a dog inside the cabin while driving. The most feasible solution is to fix the dog box in the bed of the truck and securely deport the pet in that box. Here is a stepwise procedure to build a strong dog box.

The first thing that needs to be done is to select the design of the box. The design would depend upon the size of the dog and the amount of space available in the truck bed. The box should occupy the minimum amount of space, but at the same time, the pet should also be comfortable inside it. On an average, the box should be 39’’ long, 24’’ wide and 22’’ high. As far as the resources of the design are concerned, lots of options are available like internet, television, movies, magazines, and so forth.

Dog Box for Truck How to Build a Dog Box for a Truck

Once the design has been selected, its time to choose the building material. Aluminum is considered to be a good choice because it is light weight. Other metals and toughened plastic are also considered to be equally good. If wood is used for the dog box, then it should be weather resistant. Cut the chosen building material into six pieces depending upon the dimensions.

The dog box should be properly ventilated. Hence, on the two sides of the box, cut small holes. Do not cut holes on the top or bottom, else water can penetrate inside the box. After the holes have been made, sand the edges as these may cause injury to the pet. On one side of the dog box there should be a door for the safe entry and exit of the pet.

The next step is to assemble the unit. Use weld or bolts to put the parts together. Ensure that the door is properly attached to the box and opens easily to allow the dog to slip out. When the box has been assembled, sand the exterior and give it a fresh coat of paint. Install the dog box on the truck bed with the help of bolts. Thereafter, make the interiors comfortable for the pet. Test the dog box without the pet. It shouldn’t move or shift even on the rough road. It should be well-ventilated, snugly and cozy. Inspect the interiors carefully, it should be absolutely safe and secure.

You do not have to have an advance degree to build a rocket. Assuming you not planning to take a trip on it yourself anyone can put a simple rocket together in the luxury of their own home and blast it off into the skies. There are many rocket kits available for sale and you can always chose from one of those. Be aware that many of these are not functional. Rockets are cylindrical in shape. Flying saucers or some Star wars design look cool but won’t work very well.

The basic components of a rocket are the cylindrical body, nose cone, three fins for stabilizing, and, of course the engine. It is very important that the nose cone have a parachute attached so that the rocket can float safely back to earth.

Rocket How to Build a Rocket

Step one:

Attach the nose cone to the rocket. What type of glue you use depends on the material of that the cone and body are made of. While wood glue can be used on cardboard it will not work on plastic with which plastic cement has to be used.

Step two:

One of the most important features of your rocket is the aerodynamics is vital. To make sure that your rocket is aerodynamic the fins have to be sleek and smooth to allow easy passage through the air and to keep it from being weighed down. It’s best to make your fins out of balsa wood. Make a template of the fins and place it on the wood to trace the shape. Cut the wood with a craft knife and sand the wood to make it smooth. Now you can attach the fins to the body with the glue of your choice.

Step three:

The engine mount is attached to the body of the rocket, just below the fins. To attach it securely, the glue should be applied with a cotton swab to the mounts exterior, firmly fastening it to the rockets body. An ignition system will be needed to start the engine. You can get one easily from the same source that sold your engine.

Rocket 1 How to Build a Rocket

Step four:

Once your new rocket is assembled you can jazz it up any way you would like with some paint. Along with making your rocket look good, paint plays an important part in aerodynamics and applying more than a few light coats can help the rocket travel smoothly through the air.

Once you have mastered building your rocket, fire it up. It may not be the Starship Enterprise but if it goes straight up you’ve got a working rocket.

Who can forget those enjoyable times spent at the local amusement park, carnival or State fair blasting along on the roller coasters. The endless loops and curves and heart stopping drops that brings the screamer out in everyone. Today’s coasters are higher, faster and longer than ever before. Building rollers on today’s scales requires consummate skill in engineering, physics and a lot of imagination. Below are instructions for building a roller coaster that is much simpler to the behemoths in the parks but still a lot of fun.

Step One:

Understand how roller coasters work. The only actual power needed can be easily obtained from a simple electric motor and that only to pull it up the first hill. The length of the track is up to you. The longest in the U.S. is about a quarter of a mile, but yours will be significantly shorter. Determining the height of the first hill is crucial so do that first. This is the height that determines the speed that the coaster will have to have to travel around the track. The best height for the first hill is 262 feet.

Build a Roller Coaster How to Build a Roller Coaster

Step Two:

The next step is figuring out your slopes. The coaster relies on the force generated by the first slope, of the first hill, to travel the entire path. The best slope is one with a curve at the bottom of with a flat path. Now determine the second slope, or exit path. This is the slope that the coaster will maintain its speed after travelling down the first hill. The exit path needs a low slope to maintain a safe exit out of hill number one.

Step Three:

Now follow the same procedure with the calculations of the second hill. This one is just as important as the first hill because the second hill maintains the speed of the coaster, and gives the riders the feeling of weightlessness. This hill is ideally about 230 feet.

Roller Coaster How to Build a Roller Coaster

Step Four:

Adding a loop is your last step. This will give the riders a more exciting ride in terms of speed and feeling the yank and tug of gravity. You can use either a perfect circle loop or an elliptical loop, but whichever you chose, it must be 115 feet high.

Now all you need to do is fasten your tracks and cars to the frame, hook up the power and you’re ready to start screaming.

One of the most important sections of any building is the roof. Roofs keep energy in and rain and weather out, therefore constructing them properly is extremely important. There are several of different roof designs to choose from depending on the type of building you have and climatic conditions. You will need to do some tutorials in the basics of construction, slating, felting, battening and installing the whole thing into place before you begin.

You will need basic hand tools as follows: claw and framing hammers, tape measure, hacksaw and wood saws, level, combination square, wrenches, ladders, felt tip pens and pencils, nail gun, chisel, tin snips, caulking gun, blue prints and nail sets.

Build Roof1 How to Build a Roof

Step One:

First of all, check to make sure that the rafter ends are in the correct position. For the ends to be correct the walls must be parallel to each other. Install the sheets properly from the base to the top. If they are not, raise them in four inch increments, carefully dividing the last roof sheet for easy placement. Place the mark for the sheeting parallel to the rafters. Be aware of the local codes. They will be an excellent guide to where you should place the nails.

Step two:

Never secure the rafters at the edges of the roof until the adjoining sheets have been nailed. This will allow you to move the location of the rafters if you need to. Stagger the joints of the roof sheathing for the different courses. Now divide a part into two parts so that you can utilize these as roof sheaths.

Roof How to Build a Roof

Step Three:

Now use metal clips to strengthen your work. Check your work every so often to make sure that everything is lined up properly, and check each slope individually. You can cover your roof with weather protection, such as shingles, tar or tile. Remember to keep in mind the weight of the materials and how it will affect the strength of the roof.

Now you have a roof that will protect you home and last for many years to come.

Robotics has become a very rapidly growing science during the last few decades and with advances in electronics and computer science robots will become more and more common. Today however, consumer robots, while available, cost many thousands of dollars. The science is emerging and there are dozens of resources that hobbyists can use, and kits that can get you started on your own robot.

Step One:

Your robot will need a body. Without it, it’s nothing but collections of servos and sensors, and a wheel or three to give it mobility. While materials may vary in the details most robots have similar structures and forms. The body is usually constructed of a few layers of sheet metal. Strapped to the chassis are the motors and sensors, the tools that the robot uses to move about and interact with its environment. Atop this layer are the chips and motherboards or the brains of the robot. Form a circular shell of your sheet metal and weld on a bottom. Attach all of the sensors and motors to the bottom of the open container that you have formed. Above this create a level for your electronics (computers) and secure it to the sides securely.  Some people add a third layer, which may contain cameras or some kind of cargo- a payload. Of course your design should consider what it is that you want the robot to do but if you are a new designer start small.

Robot 1 How to Build a Robot

Step Two:

In much the same manner that people possess a selection of sensors (eyes, ears, touch) that help them interact with the world, robots must have this ability. While there is a wide selection to choose from your robot will need a minimum of some type of infrared or Sonar devise that will allow it to see where things are in relation to it self. Place your sensor package near the bottom of the chassis and its receptors appropriately, allowing it “vision”. A 360 picture of the world. Next connect the robots actuators, or its muscles so that it can move around and react to the world.

Step Three:

Ok. Now your robot can see, feel, and move around the world. It needs to be able to learn what to do with the information that it collects. Most robots need a small on-board computer that takes data from the sensors and translates it to motor movement. Good starter chipsets are those that use a programming language that you are familiar with or one that is easy to learn. C++, QBASIC are a couple of good starter languages. Later you will be able to use fuzzy logic which will allow your computer to make decisions with little experience and outside your programming.

Build a Robot How to Build a Robot

Now you’re finished. Remember that you will want to start with a very simple robot. You won’t come out with Asimo on your first try.

Learn more on How to build a robot.

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