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Thread: Chairgun**Working Backwards

  1. #1
    Join Date
    Jan 2004
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    Question Chairgun**Working Backwards


    This seems right to me, but I will run it past you guy’s for your opinions.
    I am trying to find out my pellets velocity without a chrono. If I put in all the other information I have i.e. pellet type, zeroing distance etc and I adjust the velocity until the graph shows the same drop at 10 yards (I have ¾” low) as I have found at the plinking range will it give me an approximately right answer.
    **PHEW**
    I think it should give me a nearish answer but then again I am probably wrong.
    Steve Topp Brain-finger, Brain-finger, Finger- brain DOOH
    REDFEARNS FTC
    Air Arms Owners Club

  2. #2
    Join Date
    Oct 2003
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    LEEDS
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    tyke

    hi Tyke
    were in leeds are you. if your anyway near pudsey . call in
    and i will chrono it for you

  3. #3
    Join Date
    Jan 2004
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    Hunslet, Leeds
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    Hi Mark
    I am over in Beeston thanks for the offer. Its just my minds been playing with my head and I thought I would check it here (the theory not my head).
    I will have it checked at the Hunter F.T. at Readferns on Saturday anyway.

    Cheers Steve.
    Steve Topp Brain-finger, Brain-finger, Finger- brain DOOH
    REDFEARNS FTC
    Air Arms Owners Club

  4. #4
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    tyke

    hi Steve
    no worries mate anytime

  5. #5
    Join Date
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    tyke

    hi Steve
    you have pm

  6. #6
    Paul Hudson Guest
    Tyke.

    If you've got all the figures (scope height, pellet type and weight and the measured drop at a given distance) there is the "No Chrono" option under the "Extras" menu. This is pretty accurate, but I'd strongly recommend measuring a pellet drop at a longer distance than 10 yards.

    This is no substitute for running the rifle over the chrony though. I'll have mine with me at Redfearns over the weekend (just in case the battery's flat in DWB's).

    Paul.

  7. #7
    Join Date
    Jan 2004
    Location
    Hunslet, Leeds
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    Thanks Paul, I will have it checked on Saturday. When I enquired I think my mind was in overdrive but Iam all right know.
    Ill have to go now matrons here and she dosnt like me talking to normal people.
    Steve Topp Brain-finger, Brain-finger, Finger- brain DOOH
    REDFEARNS FTC
    Air Arms Owners Club

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