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Model rocket engines are classified by engine sizes A through O, with the higher letters being more powerful. The numbers associated with each engine letter describe the burn duration and delay before firing an ejection charge. Certain engine sizes require further certifications and licenses in order to use.
This is the product, a simple model rocket launch control circuit you can build from a few inexpensive parts. I built it from ~ $30 in parts in about an hour. Not bad considering it'd take me $30 and an hour's time to go buy Estes' launcher from Hobby People.
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To launch a model rocket it is extremely important to select and prepare an appropriate launch site for the size of model rockets that are going to be flown. Once a site is chosen, setup the launch system and establish boundaries of where people are allowed to be during a launch.
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A model rocket igniter basically provides the necessary heat source to get the rocket engine started. These simple yet powerful wires use an electrical input stimulus to ignite the electro-explosive device in the model rocket, which in turn ignites the propellant grain.
Solid propellant engines allow people a consistent, safe, and reliable way to launch model rockets. Rocket engines come in various sizes and are single use. Single stage ½A, A, and B engines are a great starting out point for new rocketeers.
