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Thread: Here is the write-up "My homemade black powder"

  1. #201

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  4. #204
    Boolit Buddy
    psychicrhino's Avatar
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    Great read. Thanks for the info.
    "Failure to prepare is preparing to fail" - Benjamin Franklin

  5. #205
    Boolit Master
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    Well,another excellent thread.HOWEVER,if I tried this my wife would run me down the road.Her Father tried to make black powder ONE TIME.HE blew up his tractor shed.
    Good luck.Have fun.Be safe.
    Leo

  6. #206
    Boolit Mold
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    I have read this post and skimmed through it again, so if I missed it, my apologies for asking again: can this be used for reloading ammo? And how would this be accomplished (as far as pressure and how much to use)?

    David

  7. #207
    Boolit Buddy
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    dumb question here, is this recipe for corrosive or non corrosive bp?

  8. #208
    Boolit Master

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    Not a dumb question at all. I keep my non-corrosive BP recipe next to my recipe for dehydrated water and design sheets for submarine screen doors.

    The recipes here will still end up hydroscopic (hygroscopic?) after burning, and thus are corrosive.

  9. #209
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    sarcasm noted.

    whats the difference between typical black powder, and the stuff the store sells saying "non corrosive"?

  10. #210
    Boolit Master

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    sulphur. what makes BP particularly hydroscopic. But I haven't heard anyone confirm a sulphur-free BP is truly non-hydroscopic. Possible exception of BH209, but not too many users of that powder. All the others, everyone I talk to say it still attracts water.

  11. #211
    Moderator Emeritus / Trusted loob groove dealer

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    Quote Originally Posted by Whiterabbit View Post
    sulphur. what makes BP particularly hydroscopic. But I haven't heard anyone confirm a sulphur-free BP is truly non-hydroscopic. Possible exception of BH209, but not too many users of that powder. All the others, everyone I talk to say it still attracts water.

    I think the nitrates are the worse culprit.
    The solid soft lead bullet is undoubtably the best and most satisfactory expanding bullet that has ever been designed. It invariably mushrooms perfectly, and never breaks up. With the metal base that is essential for velocities of 2000 f.s. and upwards to protect the naked base, these metal-based soft lead bullets are splendid.
    John Taylor - "African Rifles and Cartridges"

    Forget everything you know about loading jacketed bullets. This is a whole new ball game!


  12. #212
    Boolit Master

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    well, that kinda makes it impossible to make non corrosive BP, doesn't it?

  13. #213
    Boolit Buddy
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    ok. so. non sulfur is, less corrosive, then?
    is there a recipe for non sulfur BP?

  14. #214
    Boolit Master

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    http://www.oocities.org/wdb_0wnz_j00/bp_top.html

    I strongly suggest you do not consider this the only source. "I hear" there are plenty of issues running without sulphur, as it helps reduce ignition temperature.

  15. #215
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    Sulphurless powders
    Lancaster Noble Noble Thomas
    name sulphurless powder sulphurless powder sulphurless powder
    (stoichiometric)
    sulphurless powder
    SFG.12
    Potassium nitrate 70.5 80 87.1 70
    Charcoal 29.5 20 12.9 30

    so, seems like this is what i want to do. Ill have to do some reading to see what issues I may have. Is the process in making it the same, just one less ingredient?

  16. #216
    Boolit Master Linstrum's Avatar
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    Black powder made without sulphur is in the class of "pulver" powders that include "ammonpulver", a highly effective but difficult to store primitive smokeless propellent that is covered in a few semi-scholarly posts here at Cast Boolits. Do a search for "ammonpulver", it is an interesting footnote in history.

    Waksupi is correct, it is the potassium nitrate that makes black powder hygroscopic, or damp. Elemental sulfur, the form that sulfur is in in black powder, is for all practical purposes insoluble in water.

    I am surprised no one covered ash content of the charcoal, ash is a real powder-killer. Charcoal is easily tested for its ash content by burning a known weight and then weighing the remaining ash. I have found willow charcoal with 15% silica ash, 1/7 of its weight in inert useless residue that slows combustion! Woods that work well for powder charcoal are European willow (not native in North America so it is not found here); most varieties of grape vine (Goex may use grape but not sure); cottonwood - The Confederate States made powder equivalent to Du Pont using cottonwood, and it grows all over western, southwestern, and southern North America; avocado - you've got it made if you live in Florida, southeast Texas, or Southern California; and just about any other light open grain wood. Oak, walnut, mahogany, and the other dense hardwoods are the worst. THE KEY FOR WOOD IS LIGHT WEIGHT WITH AN OPEN GRAIN, AND CHECK FOR THE ASH CONTENT OF ITS CHARCOAL, IT SHOULD BE LESS THAT 4%. Compensate for the ash when you make your powder, if the charcoal has 4% ash that means you only have 96/100 of the charcoal called for, so increase the charcoal by adding 1.04166667 times the amount called for (1 divided by 96%).

    I started making my own black powder back in 1965 and never had any trouble because I followed the safety rules and used safety equipment, like no iron or steel tools that spark when dropped or struck, or power tools. Have fun!

    rl 1217
    ~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+~+:/&\:+
    There is no such thing as too many tools, especially when it comes to casting and reloading.
    Howard Hughes said: "He who has the tools rules".

    Safe casting and shooting!

    Linstrum, member F.O.B.C. (Fraternal Order of Boolit Casters), Shooters.com alumnus, and original alloutdoors.com survivor.

  17. #217
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    0«--- this is my head

    ¯^«----- this is where what you said went over my head

  18. #218
    Boolit Mold
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    I think it's very interesting how the molecules stick together ,, the Kno3,charcoal and sulfer to form something so powerful like the BP.

  19. #219
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    still not sure what to do to make bp non corrosive

  20. #220
    Moderator Emeritus / Trusted loob groove dealer

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    Quote Originally Posted by mallen View Post
    still not sure what to do to make bp non corrosive

    Once you discover that, and tell the world, your name will be legend. People will bow their heads in reverence when your name is spoken, and young children will be taught about you in schools. You will be on the pedestal alongside Browning, Maxim, and Colt.
    The solid soft lead bullet is undoubtably the best and most satisfactory expanding bullet that has ever been designed. It invariably mushrooms perfectly, and never breaks up. With the metal base that is essential for velocities of 2000 f.s. and upwards to protect the naked base, these metal-based soft lead bullets are splendid.
    John Taylor - "African Rifles and Cartridges"

    Forget everything you know about loading jacketed bullets. This is a whole new ball game!


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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check