Combustible Envelope Cartridges

Discussion in 'Handguns' started by Gun Tramp, Dec 28, 2019.

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  1. Jan 22, 2020 #41

    Dr5x

    Dr5x

    Dr5x

    50 Cal. MLF Supporter

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    I HAVE NO PROBLEM WITH THE FORUM. IF I UNDERSTAND IT IS THAT I WANT THE COMMENTS OUT WHERE EVERYONE CAN SEE THEM. THE FORUM, AGAIN AS I UNDERSTAND IT IS OK. BUT THE PEOPLE RESPOND TO ME IN WHAT I GUESS ARE THE JUST BETWEEN US GUYS ALERTS.
    IT AIN'T THE FORUM, IT'S US.
    DUTCH
     
  2. Jan 27, 2020 #42

    Gun Tramp

    Gun Tramp

    Gun Tramp

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    Finally tried the cartridges shown at the beginning of this thread. Bottom target is them with SPG-lubed felt wad over the ball. Six shots near aiming point and a wad bruise at very top of paper. Plenty good. Upper target is six shots near aiming point, same 17 grains FFFg but without paper envelope; wonder lubed felt wad under the ball. Plenty good also. 004.JPG
    But, here's what was left in the chambers after the cartridges. Neither a Q-tip nor a toothpick would remove the stuff so the revolver was disassembled and all but one tiny bit at the bottom of one chamber was then cleared. For that last bit the nipple for that chamber had to be removed. 005.JPG
    Most of the unburned paper was the double-thickness overlap. Remember, I didn't nitrate the paper but before you say Ahaa! note the number of posts in other threads on the subject that suggest nitrating isn't necessary...
     
  3. Jan 27, 2020 #43

    Erwan

    Erwan

    Erwan

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    The residues are mostly following the glue and the twice thickness of paper and this is largely the problem with that kind of rolled cartridges...
    This can happend with no treated paper with KNO³ and a bit excessive gluing.... and this happend too sometimes when all seems good...
    17 grains of charge you say, thats pretty good for 25 yards target shooting but may be not enough to burns all the paper and perhaps that the reason of the treating wit salpeter helps: the salpeter gives the oxygen...
    Witch was the distance for these shots... ?
     
  4. Jan 28, 2020 #44

    Stantheman86

    Stantheman86

    Stantheman86

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    I'm just going to go with an 1840's-50's type "choked ball" or cartridge in which no paper goes in the chamber. I'm in no hurry at the range and it's still historically correct.
     

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