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  2. 5.56×45mm NATO - Wikipedia

    en.wikipedia.org/wiki/5.56×45mm_NATO

    Bullet exceeding supersonic speed at 500 yards (457 metres) [11] Rifle weight of 6 pounds (2.72 kilograms) Magazine capacity of 20 rounds; Select fire for both semi-automatic and fully automatic use; Penetration of US steel helmet through one side at 500 yd (457 m) Penetration of 0.135 inches (3.43 millimetres) steel plate at 500 yd (457 m)

  3. Harrier jump jet - Wikipedia

    en.wikipedia.org/wiki/Harrier_jump_jet

    Specifications called for a supersonic V/STOL strike fighter with a combat radius of 460 kilometres (250 nmi), a cruise speed of Mach 0.92, and a dash speed of Mach 1.5. [8] During the early 1960s, Hawker commenced work upon developing a supersonic version of the P.1127, designated the P.1150 , culminating in the abortive Hawker P.1154 .

  4. .22-250 Remington - Wikipedia

    en.wikipedia.org/wiki/.22-250_Remington

    .22-250 Remington maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm) / Imperial (inches). The .22-250 Remington / 5.7x48mm is a very high-velocity, short action, .22 caliber rifle cartridge primarily used for varmint hunting and small game hunting.

  5. Airwolf (helicopter) - Wikipedia

    en.wikipedia.org/wiki/Airwolf_(helicopter)

    The concept behind Airwolf was a super-fast and armed helicopter that could "blend in" by appearing to be civilian and non-military in origin, a "wolf in sheep's clothing". Airwolf's insignia patch (also designed by Probert) [ 16 ] as worn by the flight-crew was a snarling wolf's head with gossamer wings that appears to be wearing a sheepskin ...

  6. Norinco CQ - Wikipedia

    en.wikipedia.org/wiki/Norinco_CQ

    The Type CQ is an unlicensed Chinese variant of the M16 rifle manufactured by Norinco. [3] According to the Norinco website, the rifle is officially known as CQ 5.56. [4]It can be distinguished from other AR-15 and M16 pattern rifles by its long, revolver-like pistol grip, somewhat rounded handguards, and the unique shape of its stock.

  7. Fuel economy in aircraft - Wikipedia

    en.wikipedia.org/wiki/Fuel_economy_in_aircraft

    For supersonic flight, drag increases at Mach 1.0 but decreases again after the transition. With a specifically designed aircraft, such as the (discontinued) Aerion AS2, the Mach 1.1 range at 3,700 nmi is 70% of the maximum range of 5,300 nmi at Mach 0.95, but increases to 4,750 nmi at Mach 1.4 for 90% before falling again. [6]

  8. Propfan - Wikipedia

    en.wikipedia.org/wiki/Propfan

    The Aerospatiale AS.100, a regional aircraft with a range of 1,500 nmi (1,700 mi; 2,800 km), a cruise speed of Mach 0.74–0.78 at 30,000 ft (9,100 m) altitude, [38] and a capacity of 80–100 seats, that might be powered by the UDF [37] or by a propfan version of the Allison T406 [36] tiltrotor engine

  9. SpaceX rocket engines - Wikipedia

    en.wikipedia.org/wiki/SpaceX_rocket_engines

    Channels etched into the Merlin 1D nozzle enable regenerative cooling preventing exhaust heat from melting it.. Since the founding of SpaceX in 2002, the company has developed four families of rocket engines — Merlin, Kestrel, Draco and SuperDraco — and since 2016 developed the Raptor methane rocket engine and after 2020, a line of methalox thrusters.