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  • 1.
    Karlsson, Andreas
    Swedish National Defence College.
    En undersökning om hur Robotsystem 70 skytten presterar i kyla2009Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
    Abstract [en]

    In this essay it has been studied how cold environment can affect the gunner of the RBS 70.

    In this study, the method of testing a hypothesis has been used. Hypothesis: “The Gunner is affected by cold to such an extent that a hit is not probable”

    The hypothesis is used in helping to answer the following two questions:

    1.      To what level is the RBS 70 Gunner affected by cold?

    2.      How can the Swedish AD Regiment improve its use of equipment in order to   reduce the effects of cold weather, on the RBS 70 gunners’ ability to aim?

     A test was performed to verify or falsify the hypothesis. Seven people from the Swedish AD Regiment fired simulated missiles both indoors and outdoors, in different temperatures. The results show that the missiles fired indoors at 20°C had an approximated direct hit-ratio of 94 percent. The firings where the thumb temperatures were the lowest had a lot lower direct hit ratio.

    The greatest issue lowering the gunners thumb temperature was the temperature of the joystick of the sight. The conclusions are that the joystick, which is made of aluminium, must be isolated to avoid cooling the gunners’ thumb. Otherwise it will be harder to hit the target at a low temperature.

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