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  1. Larry Pletcher

    vent hole size.

    Since my testing was mentioned I thought I should speak up. I did a number of experiments on priming powder, vent location and vent holes. All are found on www.blackpowdermag.com The one is called "Touch Hole Ignition Timing" tested increasing sizes of vents in a barrel, not including...
  2. Larry Pletcher

    Flint leather or lead

    I did a test of lead and leather and listed the link earlier in this list. Since some are late arrivals, here is the link again: https://www.blackpowdermag.com/lead-vs-leather-flint-attachment-study/ Regards, Pletch
  3. Larry Pletcher

    Hypothetical question re: flintlock and Alliant Black MZ

    At one time Black MZ made a product called “Flash”. It was called a priming powder. It was packaged in small tubes. I timed it as I have about all grades of BP. It was frightfully slow - roughly twice as slow as Goex cannon grade. I gave some to a friend who shoots offhand at Friendship. He shot...
  4. Larry Pletcher

    what pan powder do you use?

    quote from Dphar1950: "Null B is a granulated powder. I suspect that its powder that falls through the FFFF small screen but is held in a smaller screen. The floor sweeping thing I read above somewhere is silly. Powder plants are careful about such things. Or they better be." Dan, I am...
  5. Larry Pletcher

    what pan powder do you use?

    The link listed by .44... is mine. if you are one of those guys who saves his old issues of MuzzleBlasts, the article first was published in the April 2005 issue. I started timing locks in 1980s at the Bowling Green Seminar. I was interested in timing powders when Swiss powders became...
  6. Larry Pletcher

    Pyrodex Vs. Traditional Black

    The testing I did was not with Pyrodex, but with another bp sub. The product was made by BlackMag Industries. They produced a “priming powder” called BlackMag Flash - “for the serious flintlock shooter” (their words). A hunting article in MuzzleBlasts mentioned it as a replacement for Bp...
  7. Larry Pletcher

    NMLRA Rules Regarding Peep Sights

    The answer to your question depends on the match you enter. Offhand matches are based on the sights, flint/percussion, etc. Each match will say “primitive sights”, AMS meaning any metallic sights, etc. you need to read the match description in the shoot program, which you receive when you...
  8. Larry Pletcher

    new frizzen

    I went through three frizzens on mine. When the last one was done for, a friend half-soled it with a piece of a bandsaw blade. That was the last one I needed. Regards, Pletch
  9. Larry Pletcher

    Whitworths and Alexander Henry rifles

    Outstanding Fleener!! Regards, Pletch
  10. Larry Pletcher

    Whitworths and Alexander Henry rifles

    Fleener, I haven’t been back to Oakridge since 2001. That year there were only a few rifles on display - nothing like your collections of photos. I’m glad you could go this year. Hope you shot well. Regards, Pletch
  11. Larry Pletcher

    Why are or aren't you an NMLRA member?

    I suspect the pic is from a Kid’s shoot. They run one with .22s and one with small side hammer muzzleloader. The purpose is to introduce young folks to shooting sports. My friend spends much of his time at Friendship teaching kids on the offhand range. At the Spring and Fall Shoots, there won’t...
  12. Larry Pletcher

    Flint Life

    This flex showed showed up on the videos we shot at Friendship in 2009. We shot at 5000 f/s; when I viewed them on frame by frame software, I tried to pick the frame when the flint edge stopped moving. Once the frame was picked, I noticed that the edge moved back up for two frames. This could...
  13. Larry Pletcher

    Muzzle loading percussion or flint

    Interesting thought, MD. I use a platinum nipple on the long range gun. Using full power loads, 5 or 6 shots ruined a regular nipple. My mentors set me straight, and I ordered a platinum one. I wonder if one could platinum-line a Chambers vent? Regards, Pletch
  14. Larry Pletcher

    Muzzle loading percussion or flint

    To muddy the water a little bit more, wouldn't it be fun to make bullet gun with a really good flintlock to ignite it? I have a 1000 yd gun with a 1x18 twist that likes 540 gr paper patch bullets. It is not convertible; if it was I would be tempted to try it. Regards, Pletch
  15. Larry Pletcher

    The inefficiences of Flintlocks

    I agree. There is no firearm type that hold my interest like a properly functioning flintlock. Regards, Pletch
  16. Larry Pletcher

    The inefficiences of Flintlocks

    This is probably not the video you are thinking of, but it is one we did in my garage years ago. It was done at 15,000 fps and you can see gases, the ball and the patch separating from the ball. slo mo rifle I also have some stills of the patch separating from the ball. One of those shows a...
  17. Larry Pletcher

    Forum Testing Results?

    I saw my name mentioned and thought I should speak up. I have timed a bunch of locks, tested ignition of various powders, and also location of priming powder in the pan. These have been done over a period of time from the late 90s to the present. Some of these have been published in...
  18. Larry Pletcher

    3f in .58

    I have a flint .58 with a 1/72 twist Sharon barrel. The barrel is 32" long. We shot some heavy loads but felt at the time that we could get the same velocity with less pressure by using ffg. IMHO it's not a good idea to experiment with heavy loads of fffg in a large bore when a ffg load would...
  19. Larry Pletcher

    Wanting to get into casting ball

    Dutch, It was me. I started timing flintlocks in the middle 80s at the gun making Seminar in Bowling Green. I've been at it pretty much since that time. At the 2017 Spring Shoot in Friendship I had a booth to time locks and photograph sparks. I hope i can do that this spring too. I have a...
  20. Larry Pletcher

    White Lightning in 1/4 x 28?

    The reason Jim sells the liner and the tap to go with it is based on safety. Barrels taped 32 threads/inch will have more threads and less chance for something to go wrong. I think he wants the hole threaded with his tap for the same reason. He can't do the install, but at least he's trying...
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