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July 12, 2000, 10:21 PM | #1 |
Senior Member
Join Date: July 2, 2000
Location: Harnett County, NC
Posts: 1,700
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I was wondering if there ever was a design where the barrel on a repeating firearm moved forward and then rearward to work the action? I do know that the Semmerling (sp) pistol has a manually operated forward action. I also read an article about a shotgun -- South African design? -- that utilized a slide action in this manner. My question is if any have been patented, prototyped, or produced that were semi-automatic in nature. It seems to solve many compactness concerns.
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July 13, 2000, 11:00 AM | #2 |
Staff Alumnus
Join Date: February 23, 1999
Location: Denver, CO
Posts: 4,272
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A friend told me about a guy he knew (yes, third-hand info) who designed and built a blow-forward pistol. Turned out it didn't want to go into battery.
When a blowback doesn't go into battery, you smack the back of the slide. Well, with a blow-forward, you smack the front... that is, the muzzle. Rule 2 comes to mind here. Boy genius got a slamfire as his pistol went into battery. He's missing some previously-installed components from his hand now. So, unless you can figure out a way to get a blow-forward design to go into battery 100% of the time, I'd say give it a miss. |
July 13, 2000, 10:49 PM | #3 |
Senior Member
Join Date: July 2, 2000
Location: Harnett County, NC
Posts: 1,700
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Good point.
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July 14, 2000, 10:36 AM | #4 |
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Join Date: April 1, 2000
Location: Ohio
Posts: 52
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The 1894 Mannlicher, the Hino-Komuro and the 1908 Schwarzlose are all blow-forward designs. Doesn't appear that they solved any concerns at all.
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July 16, 2000, 10:20 PM | #5 |
Member In Memoriam
Join Date: March 17, 1999
Posts: 24,383
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The Schwartzlose seems to have been an attempt to circumvent various blowback patents. In practice, there is no advantage to such a design and many disadvantages. One of the problems is how to make the magazine work when the barrel scoops up the round from the front. The blow-forward designers solved the problem, but 'twarn't easy!
Jim |
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