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  1. #1
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    35x228 new cartridges

    I bought these three 35x228 cartridges today.

    The red painted catridge on the left has the text 'autofrettage' painted on. I think this points out the productionmethod of the projectile, either the barrel type to be used;
    http://en.wikipedia.org/wiki/Autofrettage

    The middle one is most probably South African practice, however I am not shure.

    The left one I was told is a frangible, however I am not shure about that too.

    Who can help me on the correct designation and purpose,

    Thanks in advance,
    Regards, DJH
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  2. #2
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    The middle one is not a practice but a reference (ballistic standard) as the "REF" and the purple color are indicating.

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  4. #3
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    Hi X, Ballistic reference; what does that mean? Does it have a precise weight or dimensions? Or is it to calibrate sights and projectile flightpath?

    Thanks in advance,

    Regards, DJH

  5. #4
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    Derk, a ballistic standard or reference round is matching the set ballistics to the best possible ability. The projectiles and cases are normally standard items.

    These rounds are used in a variety of applications where for example prototype weapons are tested or for simple things like zeroing.

  6. #5
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    Thanks EOD,
    that's what I wanted to know.
    Does anybody have info about the Right cartridge?

    Regards, DJH

  7. #6
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    three more 35x228 cartridges

    Three more 35x228 cartridges of which I have no type designation.

    I have no clue about the left one. The sabot and nosepiece are aluminium made. The drivingband is white nylon. It may be a test model, a drivingband test, a half product, a fake in the worst case, although I doubt the latter.

    The middle one seems to be a sabot test either a penetrator shape test. I've seen a couple around on collectors meetings and auctioning forums, so it could be a known type.

    The right one supposedly is a driving band test, using a plastic drivingband.

    If anybody has any info regarding these cartridges like type designation, nomenclature or country of origin, please let me know

    Thanks in advance,
    regards, DJH
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  8. #7
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    Some new and interesting addittions to the -still growing- 35x228 Oerlikon collection:

    -TPGID ; a subcalibre round for the 105 and 120mm tank guns
    -Temperature gauge cartridge; to measure the temperature of powder
    -The M1A1 B87 Drill
    -An experimental Dutch manufactured APDS.

    Regards, DJH
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  10. #8
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    A very nice and interesting addition to the 35m collection is this 43cm long model of a GDF-001 gun I got yesterday. As I found out during miror repairs, it it not a kit model, but a machined pertinax and sheet steel custom build precision model. The wheels can be turned upward and blocked, the discs on which the gun stands can be screwed down as to show the gun in it's working position.

    Regards, DJH
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  11. #9
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    Nice find, could it be a manufacturers model?

  12. #10
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    I suppose so. I think it was offered to potential clients who were on the brink of buying these guns. I can see however they are hand made piece by piece by a special model maker in tokyo. It is exactly the GDF-001 Japan bought.

    Regards, DJH

 

 
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