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Thread: My homemade black powder

  1. #2281
    Hey there, I was describing myself, not you at all. Sorry if I offended, I certainly did not mean to do so.

    Vettepilot

  2. #2282
    DICTIONARY
    "Anal Retentive"
    PSYCHOANALYSIS
    noun
    1.
    a person who is excessively orderly and fussy.

    (That's me!)

    Vettepilot

  3. #2283
    Boolit Mold
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    Thanks to all for the feedback. I guess my assumption about sulfur was on par with what you all think...which is pure sulfur is just that..pure sulfur. Just read so much talk about how rubber makers grade should be used, yet rubber makers grade is usually 99.5%+ pure...& mines at the 99.9% pure grade and just couldnt figure out what the difference was between the two considering i knew that sulfur doesn't actually make soil acidic but that the chemical reaction is what causes the acidity. Just couldnt get a straight answer. My black powder is great...got my formula down to where it outperforms swiss..but if there was a slight possibility of making it better by just changing the type of sulfur then i was gonna try it. Thank you all for helping me clear up that whole acidic sulfur notion.

  4. #2284
    Boolit Master




    Boz330's Avatar
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    Sulfur basically lowers the ignition point of BP from what I have read. Unless you are shooting a flintlock it probably doesn't make much difference. One US Army Tech Manual on improvised munitions describes making powder from sugar, ferric oxide and KNO3.
    During the invasion of the Philippines 06 ammo was reloaded using match heads for primers, brass curtain rods for bullets and a number of concoctions for powder including movie film chopped up.
    I have some powder made with CC, sugar and KNO3 but haven't tested it for velocity etc.



    Bob
    GUNFIRE! The sound of Freedom!

  5. #2285
    Boolit Buddy

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    Quote Originally Posted by Vettepilot View Post
    Yeah. If that first shot was a fouling shot, then really, Extreme Spread drops to 6! And excellent accuracy as well.

    "Nice shootin' Tex" ;»)

    How long did the barrel cool between shots?

    I hope my powder turns out that consistent....

    vettepilot
    It will be consistent IF all your ingredients measure the same each and every time you mill it AND mill it the same length of time. Don't change anything! I've attached a chart I made to give exact calculations of each ingredient (kinda takes the headache out of it) from .5-10 lbs. of finished BP.

    Click image for larger version. 

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    “To achieve victory we must mass our forces at the hub of all power and movement. The enemy’s "center of gravity”

    ― Karl Von Clausewitz

  6. #2286
    Wow, nice chart. Thanks!

    Still gathering up odds and ends here, though my ball mill and press are in storage 7 hours from here and I won't be headed that way till Christmas to pick them up.

    Vettepilot

  7. #2287
    Boolit Buddy

    Dieselhorses's Avatar
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    Quote Originally Posted by Vettepilot View Post
    Wow, nice chart. Thanks!

    Still gathering up odds and ends here, though my ball mill and press are in storage 7 hours from here and I won't be headed that way till Christmas to pick them up.

    Vettepilot
    Your welcome! Yea I remember you mentioning getting your stuff at Christmas. I probably would have done played hooky form work and made a road trip already! My ball mill (home made) is turning a bit fast so I ordered a pulse modulator/motor speed controller for it.
    Click image for larger version. 

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    “To achieve victory we must mass our forces at the hub of all power and movement. The enemy’s "center of gravity”

    ― Karl Von Clausewitz

  8. #2288
    Looks nice! How much too fast is it? You can buy an adjustable pulley for that motor. The sheave halves can be adjusted for varying the pulley width, causing the belt to ride higer or lower on the pulley. The effect is literally of changing the effective diameter of the pulley, and thus changing the gear ratio and the speed of the drum. It is surprising how much difference in speed you can achieve doing this, and the pulley doesn't cost that much. They are commonly used on evaporative air conditioners. ("Swamp or Water Coolers")

    Here is one:

    https://www.amazon.com/Dial-6123-Var...70_&dpSrc=srch

    Vettebob

  9. #2289
    I'm sure you know this, but I will mention it. Be sure to double check the motor shaft size so as to order the correct pulley...

    Vettepilot

  10. #2290
    Boolit Buddy

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    Quote Originally Posted by Vettepilot View Post
    I'm sure you know this, but I will mention it. Be sure to double check the motor shaft size so as to order the correct pulley...

    Vettepilot
    Actually the red pulley (6") is an adjustable pulley but is all the way in. Pulley on motor is 2". I'm getting about 130-140 rpm but need around 100-110 rpm. If anyone knows more about this I welcome your input.

    “To achieve victory we must mass our forces at the hub of all power and movement. The enemy’s "center of gravity”

    ― Karl Von Clausewitz

  11. #2291
    Yeah, that's winging right along. Seems like I've frequently read that 60 to 85 rpm is optimal. You need to go bigger on the large pulley, or smaller on the little one.

    Meanwhile, I thought I had found the right kitchen screen for my #30 screen. But my daughter and I counted the squares, and it actually is #26!!! Whatever am I going to do???

    Vettebob

  12. #2292
    Changes to the smaller pulley make the biggest difference.

    Vettepilot
    "Those who sacrifice freedom for security, have neither."
    Benjamin Franklin. (A very wise man!)

  13. #2293
    Boolit Master




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    I'm getting ready for deer season and took my 40-50 out to check zero and do a little practicing with the home made powder and get some velocities since the case capacity is pretty small with the lighter powder. At 100yd the first 2 rounds were touching at 3:00 so I made the adjustments and shot this group, which I was very pleased with but had to move it a little.
    To qualify this the load was a duplex load of 35.5gr 3F HM and 4.5gr Reloader 7 with a 325gr FN boolit. I went with a duplex load to avoid having to wipe or blow tube during practice since my time is limited in the evenings before dark, especially after the time change.
    I got the following velocities from 10 rounds 5 of those are these shots; 1296, 1305, 1239, 1291, 1294, 1273, 1289, 1295, 1294, & 1301. I'm not sure where that 1239 came from but it felt light on recoil.
    I also shot some Old Eynsford duplex and straight and these velocities were almost identical to the OE 2F straight, which I used to take a deer with this rifle last year. Going on the increased velocity of the duplex OE load I would surmise that the straight HM velocity would be in the 1250fps area which should take a deer cleanly. Last year was the first year since 2011 that I used store bought BP to hunt with, but I'm back on track now.

    Bob
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    GUNFIRE! The sound of Freedom!

  14. #2294
    Boolit Buddy

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    Quote Originally Posted by Vettepilot View Post
    Changes to the smaller pulley make the biggest difference.

    Vettepilot
    I agree but .>>>>THIS might do the trick also. At least I can rev it up whenever I need to.

    “To achieve victory we must mass our forces at the hub of all power and movement. The enemy’s "center of gravity”

    ― Karl Von Clausewitz

  15. #2295
    Hmmm... impressive specs and price on that unit. Please let me know how it works and how well it holds up. I might just need a couple of those for various projects.

    For anyone else contemplating motor speed reduction, please note that you can't do it with a simple light dimmer switch. They are not meant for inductive loads such as motors.

    Vettepilot
    "Those who sacrifice freedom for security, have neither."
    Benjamin Franklin. (A very wise man!)

  16. #2296
    Quote Originally Posted by Boz330 View Post
    I'm getting ready for deer season and took my 40-50 out to check zero and do a little practicing with the home made powder and get some velocities since the case capacity is pretty small with the lighter powder. At 100yd the first 2 rounds were touching at 3:00 so I made the adjustments and shot this group, which I was very pleased with but had to move it a little.
    To qualify this the load was a duplex load of 35.5gr 3F HM and 4.5gr Reloader 7 with a 325gr FN boolit. I went with a duplex load to avoid having to wipe or blow tube during practice since my time is limited in the evenings before dark, especially after the time change.
    I got the following velocities from 10 rounds 5 of those are these shots; 1296, 1305, 1239, 1291, 1294, 1273, 1289, 1295, 1294, & 1301. I'm not sure where that 1239 came from but it felt light on recoil.
    I also shot some Old Eynsford duplex and straight and these velocities were almost identical to the OE 2F straight, which I used to take a deer with this rifle last year. Going on the increased velocity of the duplex OE load I would surmise that the straight HM velocity would be in the 1250fps area which should take a deer cleanly. Last year was the first year since 2011 that I used store bought BP to hunt with, but I'm back on track now.

    Bob
    Very, very nice! The stats, the group; all of it!

    Congrats!!

    Vettepilot
    "Those who sacrifice freedom for security, have neither."
    Benjamin Franklin. (A very wise man!)

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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