| If you have a passion for rocketry or if you like | | | | powder motor in your model rocket, you should |
| to see your rocket soaring in the sky defying the | | | | never expose this motor to direct heat |
| gravitation of the Earth, it is imperative for you to | | | | otherwise; it might develop hairline fractures in its |
| learn some of the basic facts about model rocket | | | | body, which can have serious repercussion. Hairline |
| motor. Watching a rocket taking off the ground is | | | | fractures will increase propellant's surface area in |
| really a fascinating thing but knowing the science | | | | due course of time, which can quicken the ignition |
| and the mechanics behind this captivating scenario | | | | process of the motor and thereby increasing the |
| will definitely make it far more enjoyable | | | | pressure in the engine's internal chamber. If the |
| experience for you. So lets start learning some | | | | pressure becomes unbearable or if the pressures |
| common facts about rocket engines: | | | | exceed the strength of paper case, it can tear |
| Elements of Model Rocket Engines | | | | apart the internal chamber of the motor engine |
| In most of the cases, single used engines are | | | | and thereby causing massive explosion. The |
| integrated in those rockets, which use nozzles | | | | rocket might get partially damaged or it can be |
| made of lightweight ceramic and cardboard bodies. | | | | destroyed entirely. |
| Using lightweight materials helps a rocket to do | | | | Powerful Model Rocket Engine |
| away with unnecessary weight, which often acts | | | | The body of a powerful model rocket engine |
| as an obstacle. You are not authorized to any | | | | should be made of hard plastic as its propellants |
| motor you want in your rocket. You have to | | | | will be made of aluminium powder, potassium |
| make sure the fact the engine that you are going | | | | nitrate, ammonium perchlorate etc. The nature of |
| to integrate in your model rocket is certified and | | | | this kind of propellant is more or less similar to |
| tested either by the Canadian Association of | | | | that of used in space shuttle and therefore, it is |
| Rocketry, the Tripoli Rocketry Association or the | | | | not as brittle as black powder. This type of |
| National Association of Rocketry. Certified engine | | | | propellant is more powerful and it has the |
| ensures safety that you should not discard at any | | | | capacity to withstand rough condition. |
| cost. rocket engine motors can be broadly divided | | | | Reloadable Composite-Propellant Motors |
| into two sections: F blackpowders motors and | | | | If you are concerned about the cost, you need to |
| Blackpowder motors. | | | | opt for reloadable composite-propellant motors. |
| Black Powder Motor Engine | | | | More often than not, these types of motors are |
| As black powder is very brittle in nature, you | | | | used for commercial purpose. The major |
| need to remain aware of all its minute aspects | | | | advantage of this rocket engine is that you can |
| otherwise; you might have to face an untoward | | | | reuse and reload it as long as it is in good |
| incident in near future. If you are using large black | | | | condition. |