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Thread: Malan's Airgun Cylinder Refill Calculator

  1. #16
    Sharp Shooter
    Doctor BAM

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    This is the latest version with some more options.....
    Please verify that the correct reservoir size is displayed in cell I21, the yellow box......
    If not correct, select a suitable size according to the drop-down list.......
    Should your rifle size not be listed, drop me a line.....


    Malan

    Admin edit: attachment corrupted. will update with a new one.
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  2. #17
    Inactive Member

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    Quote Originally Posted by malan128 View Post
    This is the latest version with some more options.....
    Please verify that the correct reservoir size is displayed in cell I21, the yellow box......
    If not correct, select a suitable size according to the drop-down list.......
    Should your rifle size not be listed, drop me a line.....


    Malan
    Every time I click on a button it show me this:
    Why?


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  3. #18
    Sharp Shooter
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    akraba1

    Just click OK and carry on.... I specifically disabled the macros if someone wants to further develop the program..... Just make sure you choose the right reservoir fill size in cell I21 which is clearly shown in yellow.....

    Cheers


    Malan
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  4. #19
    Inactive Member

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    Akraba1, hat version of Office do you have on your PC?
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  5. #20
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    Nice little program malan128!!
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  6. #21
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    Quote Originally Posted by Gratis View Post
    Akraba1, hat version of Office do you have on your PC?

    Microsoft office Word 2007

    akraba1

    Just click OK and carry on.... I specifically disabled the macros if someone wants to further develop the program..... Just make sure you choose the right reservoir fill size in cell I21 which is clearly shown in yellow.....

    Cheers


    Malan
    10X
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  7. #22
    Sharp Shooter
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    Thanks, GDogg

    I am presently in contact with the original author of the program, Rich Clark and he seems to be fine with the latest developments.... The first version started way back in 2003, long before there was mention made of 300 bar units..... The beauty is that the program seems to become a little more conservative when higher pressures are involved, which is a good thing.....

    Enjoy


    Malan
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  8. #23
    Inactive Member

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    But why Hammerli AR 20 FT steel is 220bar maximum?

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  9. #24
    Sharp Shooter
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    akraba1
    Please read the instructions on top as well...... You choose the fill pressure according to the type of PCP you have..... The Hammerli AR 20 is fully regulated and you can safely fill to 300 bar, similar to the Walther PCP's....
    Right-click on the scroll bar and change the maximum value to 300 bar to suit your needs..... Make sure you do not exceed manufacturer's specifications...


    Malan
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  10. #25
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    Sorry its my bad!
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  11. #26
    Sharp Shooter

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    Hi Malan,

    I'm on the way to buy my first PCP.
    Your software is very very helpful and perfectly working.
    Thanks a lot.

    ATB - Andreas
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  12. #27
    Sharp Shooter
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    Glad you like it Andreas.....
    The software will be updated with new variables as they become in use with new PCP's....
    A few years ago pressure of as high as 300 bar was inconceivable, nowadays they are more
    the rule than the exception...
    Wastage of air when purging the system after a fill must be determined on your own rig
    and an assumption made as to how much it contributes to your own fill calculation...


    Cheers


    Malan
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  13. #28
    Sharp Shooter
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    akraba1
    I think what you must do is fill in the operating pressure of the regulated Hammerli AR 20 FT PCP, which is about 125 bar if I am not mistaken....
    The Rifle "empty" pressure is when the regulator stops working, which is about 100 bar..... The program was actually written for unregulated PCP's,
    but a simple trick such as described above, will show that you can fill the Hammerli more than 100 times with a 6 litre 300 bar tank....

    Malan
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  14. #29
    Sharp Shooter

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    Great help this
    Just fantastic, thank you Malan
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  15. #30
    Protea FT Team '19
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    The Sultan of Spring 2017

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    A suggestion for next version: add the ability to make the capacities user defined? So I could have a 573cc dive tank (carbon paintball jobbie) and I'm filling a 47.3cc cylinder?
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