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  2. Human-powered aircraft - Wikipedia

    en.wikipedia.org/wiki/Human-powered_aircraft

    A human-powered aircraft (HPA) is an aircraft belonging to the class of vehicles known as human-powered transport.. As its name suggests, HPAs have the pilot not only steer, but power the aircraft (usually propeller-driven) by means of a system similar to a bicycle or tricycle: a pair of pedals, moved by the pilot's feet that turns a gear, which then moves a bicycle chain, which then rotates a ...

  3. Airsoft - Wikipedia

    en.wikipedia.org/wiki/Airsoft

    These HPA replicas are most often referred to as "PolarStars", although this refers to a popular brand of HPA engines and accessories. A typical airsoft gun is noticeably lighter than its "real steel" counterpart due to the use of aluminum alloy and plastic materials, though some have added weights in them for a more realistic feel.

  4. Smart Parts - Wikipedia

    en.wikipedia.org/wiki/Smart_Parts

    In 1990, Smart Parts produced their first in-house marker. Called the Boss, the Smart Parts pump marker featured a spiral ported barrel and a 'shoebox' style body (which would be mirrored in their first electronic gun design); The Boss was targeted at high-end woodsball tournament players but was not well-received, being considered to be too heavy and too large (when compared to offerings such ...

  5. Airsoft gun - Wikipedia

    en.wikipedia.org/wiki/Airsoft_gun

    Airsoft is safe when played with proper protective gear. Most airsoft guns on the market are usually below 350 ft/s (110 m/s), but projectiles expelled from any type of airsoft gun can travel as slow as 65 ft/s (20 m/s) to more than 700 ft/s (210 m/s) and are capable of breaking skin at 350–400 ft/s (110–120 m/s).

  6. Paintball marker - Wikipedia

    en.wikipedia.org/wiki/Paintball_marker

    Paintball markers use compressed gas, such as carbon dioxide (CO 2) or compressed air (HPA), to propel dye-filled gel capsules called paintballs through the barrel and quickly strike a target. The term "marker" is derived from its original use as a tool for forestry personnel to mark trees and ranchers to mark wandering cattle .

  7. Superior Air Parts - Wikipedia

    en.wikipedia.org/wiki/Superior_Air_Parts

    The company was at that time able to ship almost 90% of parts in its catalog and was training Chinese technicians in Vantage engine production for the Asian market. [ 9 ] In March 2019 the Superior Air Parts XP-400 and Superior Air Parts XP-382 engines were withdrawn from service and all customer engines were subject to a mandatory, immediate ...

  8. Honeywell TPE331 - Wikipedia

    en.wikipedia.org/wiki/Honeywell_TPE331

    The 715 shp TPE331-6 used in the Beech King Air B100 have a 400-hr. fuel nozzle cleaning interval, 1,800-hr. hot section inspection interval and a 5,400-hr. time between overhaul; approval is possible for 3,000-hr. HSIs and 6,000-hr. overhauls and engine reserves are cheaper than for the PT6A.

  9. Superior Air Parts XP-400 - Wikipedia

    en.wikipedia.org/wiki/Superior_Air_Parts_XP-400

    The Superior Air Parts XP-400 is an aircraft engine, designed and produced by Superior Air Parts of Coppell, Texas, United States for use in homebuilt aircraft. [1]The company is owned by the Chinese company Superior Aviation Beijing, which is 60% owned by Chairman Cheng Shenzong and 40% owned by Beijing E-Town, an economic development agency of the municipal government of Beijing.