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  2. Helium-3 - Wikipedia

    en.wikipedia.org/wiki/Helium-3

    Since the atmosphere of the Earth has a mass of about 5.14 × 10 18 kilograms (1.133 × 10 19 lb), [24] the mass of 3 He in the Earth's atmosphere is the product of these numbers, or about 37,000 tonnes (36,000 long tons; 41,000 short tons) of 3 He. (In fact the effective figure is ten times smaller, since the above ppm are ppmv and not ppmw.

  3. Ford EcoBoost engine - Wikipedia

    en.wikipedia.org/wiki/Ford_EcoBoost_engine

    The 2.3 L EcoBoost engine is produced with the 2.0 L EcoBoost at the Valencia Engine Plant in Valencia, Spain. In March 2015 Ford announced the official production start of the all-new twin-scroll 2.0-liter and 2.3-liter EcoBoost engines for North America at its Cleveland Engine Plant in Ohio. [59]

  4. Isotopes of helium - Wikipedia

    en.wikipedia.org/wiki/Isotopes_of_helium

    4 He's boiling point of 4.2 K is the lowest of all known substances except 3 He. When cooled further to 2.17 K, it becomes a unique superfluid with zero viscosity. It solidifies only at pressures above 25 atmospheres, where it melts at 0.95 K.

  5. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    0.4-0.59: 1.15-1.43: battery, Silver-oxide [19] 0.47: 1.8: Flywheel: 0.36-0.5 [27] [28] 5.56 × 45 mm NATO bullet muzzle energy density [clarification needed] 0.4: 3.2: battery, Nickel–metal hydride (NiMH), low power design as used in consumer batteries [29] 0.4: 1.55: Liquid Nitrogen: 0.349: Water – Enthalpy of Fusion: 0.334: 0.334 ...

  6. Liquid helium - Wikipedia

    en.wikipedia.org/wiki/Liquid_helium

    Liquid helium is a physical state of helium at very low temperatures at standard atmospheric pressures.Liquid helium may show superfluidity.. At standard pressure, the chemical element helium exists in a liquid form only at the extremely low temperature of −269 °C (−452.20 °F; 4.15 K).

  7. Reduced mass - Wikipedia

    en.wikipedia.org/wiki/Reduced_mass

    Given two bodies, one with mass m 1 and the other with mass m 2, the equivalent one-body problem, with the position of one body with respect to the other as the unknown, is that of a single body of mass [1] [2] = = + = +, where the force on this mass is given by the force between the two bodies.

  8. World Gasoline Engine - Wikipedia

    en.wikipedia.org/wiki/World_Gasoline_Engine

    The engine has a displacement of 2.0 L; 121.9 cu in (1,998 cc) with a bore and a stroke of 3.38 in × 3.38 in (86 mm × 86 mm). [2] The compression ratio of the engine is 10.5:1. [2] The 2.0 L engine was offered by Dodge in the Dodge Caliber. Outside North America, the 2.0 was the base engine for the 2007 Chrysler Sebring and 2008 Dodge Avenger.

  9. Hyundai Delta engine - Wikipedia

    en.wikipedia.org/wiki/Hyundai_Delta_engine

    The G6BA/G6BAX/G6BAY (also called the 2.7 D) is the larger 2.7 L; 162.1 cu in (2,656 cc) version available in either 60˚ or 90˚ configuration with an 86.7 mm (3.41 in) bore. Output is 167–185 PS (165–182 hp; 123–136 kW) at 6,000 rpm and 25–25.8 kg⋅m (245–253 N⋅m; 181–187 lb⋅ft) of torque at 4,000 rpm.