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Reloading Berger Bullets

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chrony setup

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  #1  
Unread 10-21-2010, 02:00 AM
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Join Date: May 2010
Location: New Zealand
Posts: 203
chrony setup

ive got a chrony for the weekend and im just wondering how far away from the rifle i should set it up


thanks

lucas
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what ya gonna shoot with that. ya know those deer that are just outta range for you. yeah. well there not 4 me!
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  •   #2  
    Unread 10-21-2010, 10:41 AM
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    Join Date: Jul 2010
    Location: Quebec, Canada
    Posts: 36
    Re: chrony setup

    Quote:
    Originally Posted by jimbothepunk View Post
    ive got a chrony for the weekend and im just wondering how far away from the rifle i should set it up

    thanks

    lucas
    for me, with muzzlebreak and the blast, 15f. it's ok
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      #3  
    Unread 10-21-2010, 01:47 PM
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    Join Date: Aug 2008
    Location: cedar rapids Iowa
    Posts: 241
    Re: chrony setup

    No muzzlebrake but I still use 15 feet.
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      #4  
    Unread 10-21-2010, 04:10 PM
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    Join Date: May 2010
    Location: New Zealand
    Posts: 203
    Re: chrony setup

    cool than ks guys just got wait for the weather to clear up
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    what ya gonna shoot with that. ya know those deer that are just outta range for you. yeah. well there not 4 me!
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      #5  
    Unread 10-21-2010, 04:27 PM
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    Join Date: Jul 2004
    Location: Texas
    Posts: 7,001
    Re: chrony setup

    Quote:
    Originally Posted by jimbothepunk View Post
    ive got a chrony for the weekend and im just wondering how far away from the rifle i should set it up


    thanks

    lucas
    I like to set up in increments that equal the screen spacing so I can back up to the muzzle for
    an actual MV because even at 15 feet there is a loss of velocity.

    Example: screen spacing is 4 feet I will set the screens at 8 Feet, 12 feet or 16 feet depending
    on the size of the rifle and calculate backwards from the front screen the loss from the front
    to the back screen. If I have a drop of 10 ft/sec between the front screen and the back and I'm at 8 foot from the muzzle I just add 20 ft/sec to the velocity and I am very close to the
    actual muzzle velocity.

    I hope that makes sense the way I explained it .

    J E CUSTOM
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      #6  
    Unread 10-21-2010, 04:55 PM
    Gold Member
     
    Join Date: Aug 2007
    Location: Canterbury, New Zealand
    Posts: 675
    Re: chrony setup

    If you have never used a chrono before be real careful with your setup so you don't shoot it.

    I set the chrono up with my scope on low power and aim at a target 100 yds away, that way I can see the diffuser supports and how high above the chrono I am. Then I switch to high power and shoot at the target with no concerns.

    Stu.
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      #7  
    Unread 10-21-2010, 05:17 PM
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    Join Date: Aug 2008
    Location: cedar rapids Iowa
    Posts: 241
    Re: chrony setup

    +1 on set up. I do the same at 15 ft.
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