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  2. Scale length (string instruments) - Wikipedia

    en.wikipedia.org/wiki/Scale_length_(string...

    For example, a 7/8 violin has a scale of about 317 mm, a 3/4-size instrument a scale of 307 mm, a half-size one 287 mm, and a quarter-size one 267 mm. 1/8, 1/10, 1/16 and 1/32 and even 1/64 violins also exist, becoming progressively smaller, but again in no proportional relationship. (A full-size instrument is described as 4/4.)

  3. Orders of magnitude (length) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(length)

    1.5 mm – average length of a flea [27] 2.54 mm – distance between pins on old dual in-line package (DIP) electronic components; 5 mm – length of an average red ant; 5 mm – diameter of an average grain of rice; 5.56×45mm NATO – standard ammunition size; 6 mm – approximate width of a pencil

  4. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    Lego trains use a fixed nominal gauge of 37.5 mm (1 + 15 ⁄ 32 in), based on 5-stud track centerlines gauge. [5] [6] [7] The 37.5 mm length is not derived by a certain scale ratio. While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm (0.65 in) gauge from real life prototype 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge ...

  5. Type 65 torpedo - Wikipedia

    en.wikipedia.org/wiki/Type_65_torpedo

    It is now typically fitted to newer Russian vessels, though often the 650 mm torpedo tube is fitted with a 533 mm converter to enable firing of SS-N-15 missiles or Type 53 torpedoes. Russian officials have stated that a 65-76A modification of this torpedo is responsible for the 12 August 2000 explosion of the Russian submarine Kursk. [1] [2]

  6. 5 mm caliber - Wikipedia

    en.wikipedia.org/wiki/5_mm_caliber

    This is a list of firearm cartridges which have bullets in the 5.00 to 5.99 mm (0.197 to 0.236 in) caliber range. ... 1.650: Boxer small rifle .22 Creedmoor [10] 5.690:

  7. Ottoman units of measurement - Wikipedia

    en.wikipedia.org/wiki/Ottoman_units_of_measurement

    42.5 mm (1.67 in) rubu or urup: 2 kerrab: 85 mm (3.3 in) ayak or kadem: آیاق: foot 12 parmak: 378.87 mm (1.2430 ft) endaze: ell: 650 mm (2.13 ft) arşın: آرشين or آرشون: ell 68 cm (2.23 ft) zirai: agricultural/yard 2 ayak: 757.74 mm (2.4860 ft) kulaç: fathom: 1.8288 m (6.000 ft) berid or menzil: بريد or منزل: range 600 ...

  8. QJY-88 - Wikipedia

    en.wikipedia.org/wiki/QJY-88

    The QJY-88, also known as the Type 88 LMG (Chinese: 88式通用机枪; pinyin: 1988 shì tōngyòng jīqiāng; trans. "1988 model general purpose machine gun"), is a 5.8x42mm Chinese light machine gun designed in the late 1980s by China North Industries Corporation, otherwise known as Norinco.

  9. A-100 (multiple rocket launcher) - Wikipedia

    en.wikipedia.org/wiki/A-100_(multiple_rocket...

    China reportedly received a small number of the Russian Smerch 9K58 300 mm, 12-tube multiple launch rocket system and its ammunition in 1997. The Smerch 9K58 system is capable of firing a ‘smart’ submunition that has a dual-colour infrared sensors for terminal guidance, which enables the rocket to achieve accuracies previously difficult to achieve with unguided rockets of that range.