Monday, April 13, 2009

How to make a rocket

Everyone cherishes an ambition of doing something out of the box, something unique. People love to fantasize about traveling in far of lands, voyaging in remote part of the sea, flying in the sky. However, these are all fantasies. However, if you really want to do something concrete, something that you can actualize. You will not have to have to take any drastic decision. Just learn about how to make a rocket that will be sufficient for you to materialize your dream. You have to gather some rocket parts before start building a rocket:
  • Glue
  • Pieces of Cardboards for preparing rocket fins
  • Model rocket engine
  • A tube
If you are planning for a large rocket, you have to opt for a large tube. A large sized rocket can decrease maximum altitude but it can increase stability of your rocket substantially. Furthermore, larger rockets also need larger fins. After cutting a tube to the required length, you have to clean its ends with much care. After that, you have to prepare the fins of your rocket. Cardboard can be used for this purpose as it is strong and at the same time thin. Fins should be one third of the total length of the rocket.

Apply glue on the fins for attaching them with the body section of your rocket. After that, insert the rocket engine in rocket’s bottom section. A nose cone should be placed at the top of the rocket. Now, your rocket is ready for launch.

Saturday, April 4, 2009

Model Rocket Engines: Their Functionality

For propelling forward, a fuel grain is used by almost all the model rocket engines. When the grain of the rocket engine touches the igniter, flames begins to emerge. This flame generates the energy, which helps a model rocket to fly. Gradually, the surface area begins to burn and it gradually increases towards the rocket engine casing. The rate of burning and thrust increases simultaneously, as the area of burning surface increases. The rate of thrust and burn reaches the extreme point when fuel of the rocket remains inside the diameter of rocket engine casing. Some rocket engines have spikes at the initial stage if they have end burning configuration. This configuration comes in handy when a rocket takes off from to ground and tries to speed up. Until the fuel of a model rocket engine is exhausted, burn area lowers into a lower thrust level.

The functionality of model rocket engine is a complex procedure. However, you can still enjoy rocketry without having a fair knowledge of it. You just need to have the passion and nothing else and you will experience that you are flying rocket and enjoying the blithe of freedom.

Thursday, March 26, 2009

How Does a Model Rocket Engine Work?

It were Robert and Orville Carlisle, who first invented model rocket engines. Since then, it has been attracting the attention of millions of people worldwide who like to choose something unique as their hobby. Rocketry as a hobby has always been appreciated and eulogized because it gives a sense of liberty from this mundane world even for a brief period of time. Though small rockets are designed by scientists for testing purpose, model rockets are completely different from them as the parts and the functionality of a model rocket engine is not as complicated as that of a rocket engine that has been developed for scientific purpose. Furthermore, you will not have to be a pro or a techie for flying a model rocket because these types of model rockets are created and developed for the soul purpose of amusement and nothing else.

Do not assume that rocketry is a costly affair because numerous companies are now offering model rocket engines at an affordable rate. A model rocket usually have these following parts: clay end cap, ceramic nozzle, casing, propellants etc. Propellant helps your model rocket to take off from the ground. The capacity of your engine is more and less depends on the power of the propellants. However, there are other issues that are closely associated with it.