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  2. Model rocket motor classification - Wikipedia

    en.wikipedia.org/wiki/Model_rocket_motor...

    The designation for a specific motor looks like C6-3.In this example, the letter (C) represents the total impulse range of the motor, the number (6) before the dash represents the average thrust in newtons, and the number (3) after the dash represents the delay in seconds from propelling charge burnout to the firing of the ejection charge (a gas generator composition, usually black powder ...

  3. Ammonium perchlorate composite propellant - Wikipedia

    en.wikipedia.org/wiki/Ammonium_perchlorate...

    Commercial APCP rocket engines usually come in the form of reloadable motor systems (RMS) and fully assembled single-use rocket motors. For RMS, the APCP "grains" (cylinders of propellant) are loaded into the reusable motor casing along with a sequence of insulator disks and o-rings and a (graphite or glass-filled phenolic resin) nozzle. The ...

  4. Comparison of orbital rocket engines - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_orbital...

    Engine Origin Designer Vehicle Status Use Propellant Power cycle Specific impulse (s) [a] Thrust (N) [a] Chamber pressure (bar) Mass (kg) Thrust: weight ratio [b] Oxidiser: fuel ratio

  5. Model rocket - Wikipedia

    en.wikipedia.org/wiki/Paper_rocket

    Model rocketry is a safe and widespread hobby. Individuals such as G. Harry Stine and Vernon Estes helped to ensure this by developing and publishing the NAR Model Rocket Safety Codes [1] [13] [14] and by commercially producing safe, professionally designed and manufactured model rocket motors.

  6. Quest Aerospace - Wikipedia

    en.wikipedia.org/wiki/Quest_Aerospace

    Quest Aerospace is a company based in Cedar City, UT, United States, that designs and produces model rocket kits.. Quest Aerospace was founded in 1992 by Bill Stine (son of G. Harry Stine) in Pagosa Springs, Colorado, and produces model rocket kits for various skill levels of modelers, from the beginner to the most highly skilled.

  7. Pressure-fed engine - Wikipedia

    en.wikipedia.org/wiki/Pressure-fed_engine

    The AJ10-190 engines could be reused for up to 100 missions. Diagram of an RS-25 (or Space Shuttle Main Engine), that used a twin shaft staged combustion cycle. There were three of these on the back of the orbiter. Comparing the diagram of the RS-25 to that of the Orbital Manoeuvring System (OMS), it is clear that the RS-25 engine is far more ...

  8. AOL Mail for Verizon Customers - AOL Help

    help.aol.com/products/aol-mail-verizon

    AOL Mail welcomes Verizon customers to our safe and delightful email experience!

  9. RL10 - Wikipedia

    en.wikipedia.org/wiki/RL10

    The RL10 is a liquid-fuel cryogenic rocket engine built in the United States by Aerojet Rocketdyne that burns cryogenic liquid hydrogen and liquid oxygen propellants. Modern versions produce up to 110 kN (24,729 lb f) of thrust per engine in vacuum.

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