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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Designing your own wildcats
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<blockquote data-quote="J E Custom" data-source="post: 1218951" data-attributes="member: 2736"><p>+1 More good advice.</p><p></p><p>Years ago it was almost a necessity to wildcat a cartridge if you wanted more than was offered.</p><p>Now with all the new powders and cartridges there is almost always something that will do what you want without going to all the trouble and expense.</p><p></p><p>If you go slow and think about what you want and read as much as you can about case designs and there benefit you can come up with your own design but again chances are that someone has already done it they just gave it another name.</p><p></p><p>I would look at what you want to do with it first. then decide what weight bullet is needed to obtain the optimum velocity. then decide how much powder capacity is needed to achieve safe pressure levels. Pressing pressures over the limit of any cartridge to obtain desired velocities will only bring grief. so go with a cartridge that will be at 90 to 95% capacity at maximum pressure and you will have wiggle room to get the best performance from it.</p><p></p><p>Body taper and shoulder angle will normally take care of most needs, but freebore, throat and lead</p><p>will also have an impact on how forgiving a cartridge is to different loads. DON"T GET TRICKY In these areas unless you totally understand there pitfalls.</p><p></p><p>Just my advice, Have fun</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1218951, member: 2736"] +1 More good advice. Years ago it was almost a necessity to wildcat a cartridge if you wanted more than was offered. Now with all the new powders and cartridges there is almost always something that will do what you want without going to all the trouble and expense. If you go slow and think about what you want and read as much as you can about case designs and there benefit you can come up with your own design but again chances are that someone has already done it they just gave it another name. I would look at what you want to do with it first. then decide what weight bullet is needed to obtain the optimum velocity. then decide how much powder capacity is needed to achieve safe pressure levels. Pressing pressures over the limit of any cartridge to obtain desired velocities will only bring grief. so go with a cartridge that will be at 90 to 95% capacity at maximum pressure and you will have wiggle room to get the best performance from it. Body taper and shoulder angle will normally take care of most needs, but freebore, throat and lead will also have an impact on how forgiving a cartridge is to different loads. DON"T GET TRICKY In these areas unless you totally understand there pitfalls. Just my advice, Have fun J E CUSTOM [/QUOTE]
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Designing your own wildcats
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