ev2mk4

Discussion in 'General Airgun Chat' started by mjolnir30, Sep 20, 2015.

  1. mjolnir30

    mjolnir30 Member

    Joined:
    Feb 23, 2013
    Messages:
    180
    Location:
    Croatia
    Hello.
    I am planning to buy ev2mk4 from my friend.
    On crony he get there speed results.
    Speed is in meter/seconds.

    1.223,4 m/s
    2.230,4 m/s
    3.230,7 m/s
    4.230,5 m/s
    5.234,6 m/s
    6.232,1 m/s
    7.232,4 m/s
    8.231,4 m/s
    9.233,3 m/s
    10.229,7 m/s
    11.233,1 m/s
    12.233,3 m/s
    13.232,3 m/s
    14.232,2 m/s
    15.233,1 m/s

    Are those ok readings?
    I am worried about this first shoot of 223 m/s.
     
    Last edited: Sep 20, 2015
  2. Marrr

    Marrr Member

    Joined:
    Jan 26, 2015
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    165
    Location:
    Cardiff
    Club:
    Castleton
    First shot is always low
     
  3. mjolnir30

    mjolnir30 Member

    Joined:
    Feb 23, 2013
    Messages:
    180
    Location:
    Croatia
    Thank you for your reply.
     
  4. fireblade2

    fireblade2 Master Yoda AA FT TEAM

    Joined:
    Aug 5, 2012
    Messages:
    32
    Location:
    liverpool
    Club:
    Tawd Vale AR&FTC
    Fire one shot off then another 5 over chrono leaving 15 second intervals and then let it stand for 2 minutes and then chrono another couple of shots.
    And if that first one is low, then you have a problem with the reg ( leaking/reg creep )
    Hope this helps.
     
  5. Tench

    Tench WHFTA World Champion 2016.

    Joined:
    Sep 23, 2009
    Messages:
    1,719
    Location:
    derby
    As Dave said, a low first shot is often because the reg pressure has crept up since the it was last fired. If shots at 15 second intervals have very similar velocity to shots at 15 minute intervals then the reg is ok, if the 15 minute interval shots are lower then the reg is creeping too much and needs repairing.
     

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