Between smooth and rifled 2
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Thread: Between smooth and rifled 2

  1. #1
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    Default Between smooth and rifled 2

    Hello to all!
    For warming up there is a link to my past topic, it will be clear what I’m talking about. [Only registered and activated users can see links. ]
    In continuing to work on the invention, I abandoned the method of casting non-ferrous metal, and did everything on a CNC machine. The patent does not indicate the method of manufacturing structures, it can be any, sawn or cast. Such a simple solution, and fundamentally decides everything.
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    A few photos of the shooting:
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    Aerodynamics of the projectile - excellent. Yes, it is already visible. Centering along the barrel - excellent. And the pressure in the barrel (projectile speed) can be set to any, just to withstand your barrel.

    And the production of the projectile is relatively inexpensive, which is also important. I would rent an Austrian sniper gun if they would give me (just kidding). link to the Austrian sniper smoothbore gun [Only registered and activated users can see links. ] , it inspired me. There and the caliber of 15.2 mm is the most suitable, I think accuracy and range would improve. This can also be attributed to automatic artillery guns of 25-50mm caliber.

    Another big plus in my design is the ability to make specialized shells (armor-piercing incendiary, explosive, cumulative). This is probably a separate issue.
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    I don’t think that I made a shooting revolution, but a smooth barrel has not yet reached its full potential, I just found a good technical solution. I will be glad to communicate with competent people.
    Last edited by YursR; 02-21-2020 at 01:39 AM.

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    Senior Member ArthAnsgar's Avatar
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    I'm curious, do you have an intended purpose in mind, or is it just experimentation for now?

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    Quote Originally Posted by YursR View Post
    I don’t think that I made a shooting revolution, but a smooth barrel has not yet reached its full potential, I just found a good technical solution. I will be glad to communicate with competent people and companies for implementation.
    You in the USA?

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    Quote Originally Posted by ArthAnsgar View Post
    I'm curious, do you have an intended purpose in mind, or is it just experimentation for now?
    So a hobby turns into a business, the goal itself is drawn. I enthusiastically experimented, did it myself, or ordered, studied specialized literature, and wrote a patent myself. And I like this process.I have gained a lot with this topic.

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    So basically, you're trying to make a smooth bore shotgun perform the same as a rifled barrel shotgun?

    It sounds like your solution needs a problem.
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    Aim true ! NGF Addict! Coalcracker's Avatar
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    Last i checked. It's better to use a rifled slug in a smooth bore shotgun.
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    from the pic.....where in the world is there room for the wad and powder in that shell...........

    the design also appears cost prohibitive.....

    as for accuracy......that is why there are so many slugs on the market.....different guns like different slugs.....find what is acceptable.

    it would seem that the rifled choke tube would expand choices as well for a smooth bore and brings more variables.

    and if i wanted to build a better mouse trap, then i might explore a rifled tube insert conversion at the most or a rifled chamber insert.......say bringing a 12 down to a 20 ga....let the twist start to work on the slug just in front of the chamber and have her start her spin in the first 6" of barrel beyond the chamber...insert stops and she goes smooth bore.....sort of backwards thinking from a rifled choke tube........but the chamber insert would keep the weight down compared to a full length tube insert.

    would it make a difference?....heck if i would know.
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    Above wrote a lot in "protection" of the rifled barrel. Depending on the task, you should have a suitable barrel. For a professional hunter, a universal barrel is desirable. Fraction on a bird, on a wolf in a wooded area - buckshot. On large forest animals, elk, wild boar, bear - bullet (stopper). This is all a smooth barrel.
    In the new design, the bullet is a good stopper, even 12 Ga (bullet weight 37 g) is too excessive in its power. It is better to take a caliber of 15.5 mm, a sleeve length of 89 mm. This is a whole commercial direction, but you get a universal barrel, from a mouse to a bear. This is for hunters and tourists in nature, of whom everywhere are a lot.
    There are two ways to stabilize a projectile in flight. 1. This is rotation around its axis (threaded version) and 2. Stabilization by feathering. All methods have proven their viability. The second way is all smooth-bore tank and anti-tank artillery guns. There are various modifications, but they do not change the essence. About the rifled version, and so everyone understands, but if you begin to see into the effectiveness of these two methods, you will feel the difference.

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