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18 February 1814

Napoleon Bonaparte og det østerrikske imperiet under prinsen av Württemberg utkjempet slaget ved Montereau. Slaget sto i nærheten av Montereau-Fault-Yonne i Frankrike. Napoelon vant, etter at marskalk Claude Victor-Perrin kom sent inn med sine... Read more ...

18 February 1814

Slaget ved Montereau
Napoleon Bonaparte og det østerrikske imperiet under prinsen av Württemberg utkjempet slaget ved Montereau. Slaget sto i nærheten av Montereau-Fault-Yonne i Frankrike. Napoelon vant, etter at marskalk Claude Victor-Perrin kom sent inn med sine styrker og avgjorde slaget. Det vil si, Napoleon ble så rasende på Victor-Perrin på grunn av den sakte fremrykningen at han ved ankomsten ble erstattet av Étienne Maurice Gérard. De allierte mistet om lag 6 000 mann og 15 kanoner i slaget, mens Frankrike mistet 2 500 mann.


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    Featured article

      Hunting with Black Powder Weapons

    • Hunting with Black Powder Weapons

      In this article you can read about hunting with black powder firearms, from a Norwegian perspective. The Norwegian game law limits the use of black powder for hunting, but a few hunters hunt small game with black powder rifles and shotguns. Read the article to find out more.

    R&D Conversion Cylinders

    Category: Handguns
    Published: 13 September 2008 by Øyvind Flatnes.
    Views: 34499
    Les artikkel på norsk
    Patrontønne

    The years following the American Civil War was a time of unrest and upheaval, and a time that saw a transition from the percussion system to metallic cartridges. Percussion revolvers, also known as cap and ball revolvers, were made by the thousands before and during the war, but the principle of muzzleloading started to become obsolete when the new metallic cartridges became common after the war.

    Find out more!
    You can learn more about metallic cartridge conversions and black powder cartridge revolvers in the brand new book From Musket to Metallic Cartridge: A Practical History of Black Powder Firearms.

    Patrontønne Patrontønne

    The R&D cylinder.

    The cap and ball revolvers could easily be converted to use the new metallic cartridges. In the 1800s there were many methods for converting percussion revolvers. Some variants even allowed the shooter to use both the old percussion cylinder and a new cartridge cylinder. Many patents were based on the old percussion cylinder, in which a chamber was bored out for the cartridges. At the rear where the percussion nipples are located, it was made some sort of device that facilitated the chambering of the metallic cartridges. The R&D conversion cylinders consist of two parts: a cylinder and a back plate with six individual firing pins. The cylinder must be removed from the revolver to be loaded. In the cylinder I use in my .44 Remington New Army, six cartridges are slipped into the cylinder, and the back plate is placed over the cylinder. There is an indexing pin in the body so that the firing pins align properly with the chambers in the cylinder. The cylinder and back plate is then inserted back into the revolver. This may seem a bit cumbersome, but it is way faster compared to loading a percussion revolver. The percussion revolvers could be loaded with paper cartridges, but they tended to get wet and spoiled by moisture. This problem was as good as eliminated with metallic cartridges.

    Patrontønne Patrontønne

    The plate with firing pins.

    Today the conversion cylinders for replica cap and ball revolvers have become popular among black powder shooters. The R&D cylinders are available for the most common replica revolvers. The cylinder that I use in my .44 Uberti Remington New Army is in .45 Colt (Long Colt). Another alternative is the Kirst Koverter cylinders. These cylinders only take five cartridges, but they have a loading gate that eliminates the need to remove the cylinder to reload. Kirst Konverter cylinders are somewhat more expensive compared to the R&D cylinders.

    Patrontønne Patrontønne

    Roundballs are accurate in the R&D cylinder.

    So far the accuracy from the R&D cylinder has been very good, as a matter a fact it seems to shoot just as well as the percussion cylinder. I have had best results with roundballs, but it also performs well with Lee's .456" conical ball which is designed for percussion revolvers. I size the balls to .454". Only top grade, certified steel is used in the production of these cylinders, and the manufacturer states that is possible to use light smokeless loads in the R&D cylinder, but I haven't tried it and I have no intentions of doing it either. In a revolver that is made for black powder I feel it is more appropriate and safe to stick to black powder.

    Patrontønne Patrontønne

    .45 Colt cartridges, loaded with conical bullets and roundballs.

    The conversion cylinders are allowed in the metallic cartridge competition Smith and Wesson when competing in competitions held by the Norwegian Black Powder Union. Some shooters use the R&D cylinders with very good results. Most shooters load the cartridges with roundballs, and they even grease the cylinder mouths the same way as many cap and ball revolver shooters do. With a R&D cylinder you only need one revolver to shoot both in the Mariette (the percussion revolver competition) and the Smith & Wesson competition.

    Here's a small video of how the R&D cylinder works:

    The R&D cylinders are available for:

    .44 calibre
    • Pietta Remington New Army
    • Pietta 1860 Army Colt
    • Uberti Remington New Army
    • Uberti Dragoon Colt
    • Uberti 1860 Army Colt
    • Ruger Old Army
    .36 calibre:
    • Pietta Remington New Model Navy
    • Pietta 1851 Navy Colt
    • Pietta 1861 Navy Colt
    • Uberti Remington New Model Navy
    • Uberti 1851 Navy Colt
    • Uberti 1861 Navy Colt
    • Uberti Colt 1862 Police
    .31 calibre:
    • Pietta 1863 Pocket Remington