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  2. Amateur rocketry - Wikipedia

    en.wikipedia.org/wiki/Amateur_rocketry

    An altitude of 10.3 km was reached, making it the highest verified altitude achieved in Africa by an amateur group. This was an especially notable achievement as the propellant was based on Ammonium Nitrate, as opposed to the more common ammonium perchlorate. All major components used were manufactured in South Africa, including electronics and ...

  3. High-power rocketry - Wikipedia

    en.wikipedia.org/wiki/High-power_rocketry

    The National Fire Protection Association (NFPA) definition of a high-power rocket is one that has a total weight of more than 1,500 grams (3.3 lb) and contains a motor or motors containing more than 125 grams (4.4 oz) of propellant and/or rated at more than 160 Newton-seconds (40.47 lbf·s) of total impulse, or that uses a motor with an average ...

  4. ArduPilot - Wikipedia

    en.wikipedia.org/wiki/Ardupilot

    The free software approach to ArduPilot code development is similar to that of the Linux Operating system and the GNU Project, and the PX4/Pixhawk and Paparazzi Project, where low cost and availability enabled hobbyists to build autonomous small remotely piloted aircraft, such as micro air vehicles and miniature UAVs. The drone industry ...

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  6. Horizon Hobby - Wikipedia

    en.wikipedia.org/wiki/Horizon_Hobby

    The Firebird featured a patented design and a user-friendly two-channel control system, making it accessible to new enthusiasts. This all-inclusive package included the airplane, battery, charger, and radio, allowing beginners to fly on the very same day. [1] Horizon Hobby merged with Team Losi, known for RC racing vehicles, in 2000. [6]

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  8. HobbyTown USA - Wikipedia

    en.wikipedia.org/wiki/HobbyTown_USA

    Hobby Town Unlimited, Inc. is an American retail hobby, collectibles, and toy store chain headquartered in Lincoln, Nebraska. There are more than 105 HobbyTown franchise stores located in 39 states in the United States.

  9. Air data computer - Wikipedia

    en.wikipedia.org/wiki/Air_data_computer

    As all information from the sensors is transmitted electrically, routing of pitot and static pressure lines through the aircraft and associated maintenance tasks is avoided. [ 5 ] In simpler aircraft and helicopters, the air data computers, generally two in number, and smaller, lighter and simpler than an ADIRU, may be called air data units ...