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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
Posted to rec.crafts.metalworking
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Metal and Energy
On Wed, 22 Jun 2011 19:30:04 -0700, "Bob La Londe"
wrote: I was just looking at an old Sportman's Guide catalog before tossing it in the trash. One item that caught my eye was a .223 adaptor to use a 209 primer to launch a .22 caliber air gun pellet. What kind of energy is that going to develop? What kind of muzzle velocity will that generate? It might be a nice way to practice pulling the trigger and get some short range target practice with your bolt action .223, although I would be hesitant to use it in an auto. The thing though is they advertise it for pest control. Seems to me for short range even a pump air gun would be far more economical. As a kid I killed a lot of gophers for the bounty with my Daisy 880. Spring piston guns are so mush more powerful, and now with the gas spring guns on the market for a few years you don't have to worry about leaving them ready to flip the safety and fire killing the spring. Not even considering the PCP guns. How does this 209 primer propelled .22 pellet compare to a pellet fired out of a pellet gun? A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. |
#2
Posted to rec.crafts.metalworking
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Metal and Energy
On Jun 23, 7:58*am, john B. wrote:
On Wed, 22 Jun 2011 19:30:04 -0700, "Bob La Londe" wrote: I was just looking at an old Sportman's Guide catalog before tossing it in the trash. *One item that caught my eye was a .223 adaptor to use a 209 primer to launch a .22 caliber air gun pellet. *What kind of energy is that going to develop? *What kind of muzzle velocity will that generate? *It might be a nice way to practice pulling the trigger and get some short range target practice with your bolt action .223, although I would be hesitant to use it in an auto. The thing though is they advertise it for pest control. *Seems to me for short range even a pump air gun would be far more economical. *As a kid I killed a lot of gophers for the bounty with my Daisy 880. *Spring piston guns are so mush more powerful, and now with the gas spring guns on the market for a few years you don't have to worry about leaving them ready to flip the safety and fire killing the spring. Not even considering the PCP guns. *How does this 209 primer propelled .22 pellet compare to a pellet fired out of a pellet gun? A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. Somebody just needs to pull a bullet from a CB cap and put this to rest. I do know that Aquila makes two variations, one of which says "sans poudre" |
#3
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Metal and Energy
"Rex" wrote in message ... On Jun 23, 7:58 am, john B. wrote: On Wed, 22 Jun 2011 19:30:04 -0700, "Bob La Londe" wrote: I was just looking at an old Sportman's Guide catalog before tossing it in the trash. One item that caught my eye was a .223 adaptor to use a 209 primer to launch a .22 caliber air gun pellet. What kind of energy is that going to develop? What kind of muzzle velocity will that generate? It might be a nice way to practice pulling the trigger and get some short range target practice with your bolt action .223, although I would be hesitant to use it in an auto. The thing though is they advertise it for pest control. Seems to me for short range even a pump air gun would be far more economical. As a kid I killed a lot of gophers for the bounty with my Daisy 880. Spring piston guns are so mush more powerful, and now with the gas spring guns on the market for a few years you don't have to worry about leaving them ready to flip the safety and fire killing the spring. Not even considering the PCP guns. How does this 209 primer propelled .22 pellet compare to a pellet fired out of a pellet gun? A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. I don't think .22 pellets are anywhere near 29 grains. 11-13 comes to mind. Somebody just needs to pull a bullet from a CB cap and put this to rest. I'll do that if I can find them. I still have a half box of CB shorts around from my trap line days. At short range they would even punch the skull of a badger. I do know that Aquila makes two variations, one of which says "sans poudre" |
#4
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Metal and Energy
On Thu, 23 Jun 2011 06:22:43 -0700 (PDT), Rex
wrote: On Jun 23, 7:58*am, john B. wrote: On Wed, 22 Jun 2011 19:30:04 -0700, "Bob La Londe" wrote: I was just looking at an old Sportman's Guide catalog before tossing it in the trash. *One item that caught my eye was a .223 adaptor to use a 209 primer to launch a .22 caliber air gun pellet. *What kind of energy is that going to develop? *What kind of muzzle velocity will that generate? *It might be a nice way to practice pulling the trigger and get some short range target practice with your bolt action .223, although I would be hesitant to use it in an auto. The thing though is they advertise it for pest control. *Seems to me for short range even a pump air gun would be far more economical. *As a kid I killed a lot of gophers for the bounty with my Daisy 880. *Spring piston guns are so mush more powerful, and now with the gas spring guns on the market for a few years you don't have to worry about leaving them ready to flip the safety and fire killing the spring. Not even considering the PCP guns. *How does this 209 primer propelled .22 pellet compare to a pellet fired out of a pellet gun? A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. Somebody just needs to pull a bullet from a CB cap and put this to rest. I do know that Aquila makes two variations, one of which says "sans poudre" I shoot both the CB shorts and the sans poudre rounds. The CB shorts do indeed have a little powder and will shoot safely in a rifle. The sans poudre (no powder) rounds will not make it out of a rifle barrel that isn't worn. My old pump Remington .22 is kind of shot out and the sans poudre bullets make it out of the barrel. My Remington bolt action hasn't had quite so many bullets pass through it and the bullets from the sans poudre rounds don't quite make it out. The box for the sans poudre rounds says that they should only be used in pistols. Eric |
#5
Posted to rec.crafts.metalworking
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Metal and Energy
"Bob La Londe" wrote in message ... "Rex" wrote in message ... On Jun 23, 7:58 am, john B. wrote: On Wed, 22 Jun 2011 19:30:04 -0700, "Bob La Londe" wrote: I was just looking at an old Sportman's Guide catalog before tossing it in the trash. One item that caught my eye was a .223 adaptor to use a 209 primer to launch a .22 caliber air gun pellet. What kind of energy is that going to develop? What kind of muzzle velocity will that generate? It might be a nice way to practice pulling the trigger and get some short range target practice with your bolt action .223, although I would be hesitant to use it in an auto. The thing though is they advertise it for pest control. Seems to me for short range even a pump air gun would be far more economical. As a kid I killed a lot of gophers for the bounty with my Daisy 880. Spring piston guns are so mush more powerful, and now with the gas spring guns on the market for a few years you don't have to worry about leaving them ready to flip the safety and fire killing the spring. Not even considering the PCP guns. How does this 209 primer propelled .22 pellet compare to a pellet fired out of a pellet gun? A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. I don't think .22 pellets are anywhere near 29 grains. 11-13 comes to mind. A .22 caliber round ball, as supplied in the BB Cap, weighs around 18 grains. The small conical bullets in CB caps can run up to 29 grains or so. The last ones I bought, which was back in 1975, had a bullet at the heavier end of the scale and looked like a slightly shorter version of a .22 Short bullet. Some of them, though, are like little straight-sided cones, and lighter. Here's an example: http://en.wikipedia.org/wiki/.22_CB -- Ed Huntress Somebody just needs to pull a bullet from a CB cap and put this to rest. I'll do that if I can find them. I still have a half box of CB shorts around from my trap line days. At short range they would even punch the skull of a badger. I do know that Aquila makes two variations, one of which says "sans poudre" |
#6
Posted to rec.crafts.metalworking
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Metal and Energy
On Thu, 23 Jun 2011 08:42:25 -0700, "Bob La Londe"
wrote: A "CB Cap", a small cartridge using the primer for propellant; using a 29 gr. bullet has a MV of about 725 ft./sec. Probably similar to the adapter. I don't think .22 pellets are anywhere near 29 grains. 11-13 comes to mind. You can buy heavy pointed ones that run pretty close to 29 grs....but they are hard to find. French made as I recall. Most of the pointed hunting pellets run from 14-18 grains Gunner -- Maxim 12: A soft answer turneth away wrath. Once wrath is looking the other way, shoot it in the head. |
#7
Posted to rec.crafts.metalworking
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Metal and Energy
I have a sweet old Stevens bolt gun, tube mag with a 22" barrel.
It's very satisfying to pop tin cans from the backyard deck. It's so quiet, all you hear is the click of the lockwork, then Thunk as the bullet hits. Work that smooth bolt, repeat. Sure beats cranking that magnum springer barrel down each round. |
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