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Question Calculating SHOT AVERAGE ON CROMBO

Discussion in 'Anything Airgun Related' started by wizard1963uk, Sep 15, 2014.

  1. wizard1963uk

    wizard1963uk Donator

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    how do you calculate your average power with a crombo do you add your 10 shots together then divide by 5 :confused: is this correct
    atb
    terry
     
  2. render87

    render87 Busy Member

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    add all your fps up and divide by the number of shots hope this helps
     
  3. wizard1963uk

    wizard1963uk Donator

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    yes mate thankyou :up:
     
    Last edited: Sep 15, 2014
  4. TomJ

    TomJ Active Member

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  5. TomJ

    TomJ Active Member

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    Just realised that's not what you asked for originally, doh :facepalm:
     
  6. wizard1963uk

    wizard1963uk Donator

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    still appreciated mate :)
     
  7. mattyts

    mattyts Donator

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    An average is the sum of results / number of results.
     
  8. busanga

    busanga Posting Addict

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    You can hold the button down on combo. It will cycle through lowest highest and average of the shots recorded. Both in fps and fpe
     
  9. terry1001

    terry1001 Major Poster

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    This is a simple way of getting the averages etc of your shot strings. You can also get a cable to connect it to a usb port on a computer which provides the power and you can get all the shots downloaded for a full analysis in a spreadsheet or use one of the specialised programs fro chrono use. I think you can also get an app to connect to your phone done by one of the members here but I don't know much about it.
     
  10. wizard1963uk

    wizard1963uk Donator

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    i did look at the cable and the program mate :up: just another question this is about chairgun will this only work with hawke scopes ? or are all scope mildots the same distance apart if you understand what i mean ...i have a scb reticule
     
  11. mattyts

    mattyts Donator

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    Mildots are only true mildots at a certain mag,it's usually 10 but the manufacturer should say.
     
  12. stevemandm

    stevemandm Honorary Member

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    in a distant galaxy, far far away ....... actually
    chairgun is designed for hawke scopes, but theres nothing wrong with trying it with yours - i would think it would give you a good starting point, which will probably need a bit of tweeking to suit your scope, and as matty says, try on 10x mag. i would be interested to hear of your results mate
     
  13. terry1001

    terry1001 Major Poster

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    As Steve has said Chairgun is designed around Hawke scopes and is a part of their marketing. It does have a variety of mil dot reticles and will give the trajectory etc for them at different ranges, magnifications etc. As far as I know (and I can't be certain) the MTC reticle is a mil dot one with their enhancements so it should give decent results with Chairgun. You may find that the way Hawke and MTC measure magnification is different so you will definitely have to check your results by shooting. If you find that the results don't match your actual shooting results then you may well be able to get it spot on by adjusting the magnification, it's not easy to explain but I have found (with my Hawke scopes) that to get the intercepts exactly right I have to alter the magnification slightly. The markings on the scope won't be particularly good and, like the range markings, are only a guide. Give it a try, I'm almost certain it will work well once you get the hang of it.
     

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