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SMc Cartridge Developement.

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Unread 09-25-2002, 05:57 PM
Bronze Member
Join Date: May 2001
Location: McKinney, TX, USA
Posts: 49
Re: SMc Cartridge Developement.

The Wby cases have a "double venturi"; neck/shoulder and shoulder/body. The SMc cases have no "venturi" at the neck/shoulder junction.

There was a PS article on this concept about 2 years ago. Look up one called "Carbide toothed beavers" (the only way case forming could be more difficult is to breed carbide......) This article was about M.L. McPherson's idea for the perfect 6mm bullet launcher. He called it the 6mm Thermos. As far as I know, there has not been a follow-up article.
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Unread 09-26-2002, 10:32 AM
Writers Guild
Join Date: Jul 2001
Posts: 1,459
Re: SMc Cartridge Developement.

Anyway to post a picture or drawing of this case. Having a hard time picturing what this looks like.

good new tech is always a good thing...assuming it works.

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Unread 09-26-2002, 03:28 PM
MAX MAX is offline
Silver Member
Join Date: Sep 2001
Posts: 263
Re: SMc Cartridge Developement.

Cut an orange in half, jam a soda straw in the top...there's your shoulder and neck. The design calls for very fat cartridges but I don't have the numbers available. Fatter than the PPC things.
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