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  2. Diving cylinder - Wikipedia

    en.wikipedia.org/wiki/Diving_cylinder

    3/4"x16 UNF, sealed by an O-ring, torqued to 40 to 50 N⋅m (30 to 37 lbf⋅ft) on aluminium cylinders. [25] 7/8"x14 UNF, sealed by an O-ring. [26] The 3/4"NGS and 3/4"BSP are very similar, having the same pitch and a pitch diameter that only differs by about 0.2 mm (0.008 in), but they are not compatible, as the thread forms are different.

  3. AMX Tracteur C - Wikipedia

    en.wikipedia.org/wiki/AMX_Tracteur_C

    The vehicle still retained the 47mm SA 35 gun and the 4 machine guns. [4] [2] [3] The length of the tank increased to 10m due to the changes made. The roadwheels went up to 26. The tank was still propelled by 2 engines. [4] [2] [3] The second variant of the AMX Tracteur C was rejected by the French Army again. [4] [2] [3]

  4. Portable oxygen concentrator - Wikipedia

    en.wikipedia.org/wiki/Portable_oxygen_concentrator

    Since their initial development, reliability has been improved, and POCs have between one and six settings which are not the same as liters per minute (LPM). [ 4 ] The latest models of intermittent flow only products have weighed in the range of from 2.8 to 9.9 pounds (1.3 to 4.5 kg), and continuous flow (CF) units have been between 10 and 20 ...

  5. Standard cubic centimetres per minute - Wikipedia

    en.wikipedia.org/wiki/Standard_cubic_centimetres...

    One example of standard conditions for the calculation of SCCM is = 0 °C (273.15 K) [1] and = 1.01 bar (14.72 psia) and a unity compressibility factor = 1 (i.e., an ideal gas is used for the definition of SCCM). [2] This example is for the semi-conductor-manufacturing industry.

  6. FCM F1 - Wikipedia

    en.wikipedia.org/wiki/FCM_F1

    [2] In June 1929, the STCC (Section Techniques des Chars de Combat) began another heavy tank study, proposing a faster design with a Johnson track, an engine of 500 hp, a speed of 12 km/h, 65 tonne weight, a turreted 120 mm gun and 50 mm front protection. In January 1930, this was changed into a project for a 70 tonne tank, with a high-velocity ...

  7. Le Mans Prototype - Wikipedia

    en.wikipedia.org/wiki/Le_Mans_Prototype

    A group of Le Mans Prototypes competing in the American Le Mans Series, 2007 Audi R10 TDI in the 2008 12 Hours of Sebring, 2008. A Le Mans Prototype (LMP) is a type of sports prototype race car used in various races and championships, including the 24 Hours of Le Mans, FIA World Endurance Championship, IMSA SportsCar Championship, European Le Mans Series, and Asian Le Mans Series.

  8. Panzer IV - Wikipedia

    en.wikipedia.org/wiki/Panzer_IV

    However, Panzer IVs armed with the KwK 37 L/24 75-millimetre (2.95 in) tank gun found it difficult to engage French tanks such as the Somua S35 and Char B1. [ 81 ] Although the Panzer IV was deployed to North Africa with the German Afrika Korps , until the longer gun variant began production, the tank was outperformed by the Panzer III with ...

  9. Sentinel tank - Wikipedia

    en.wikipedia.org/wiki/Sentinel_tank

    The Sentinel was designed to mount either a QF 2 pounder or a QF 6 pdr (57 mm, 2.25 in). [10] However, as the production order for 6 pounder tank guns had not been acted on, none of these were available and the first 65 tanks were built with the 2 pounder. [8]