Potatoes last one shot, so build reusable! Discuss ammo designs and ideas. Tough to find cannon part or questions? Ask here!
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jackssmirkingrevenge
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Sun Dec 02, 2012 7:50 am
wyz2285 wrote:293g?? Well I guess if it were aluminium would weight less
![Laughing :lol:](./images/smilies/icon_lol.png)
...but more annoying to machine, and slightly less durable.
To be honest the wall thickness is excessive, even if you're looking to use this at 1000 psi 21-25mm diameter would be more than enough.
hectmarr wrote:You have to make many weapons, because this field is long and short life
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wyz2285
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Sun Dec 02, 2012 8:20 am
I know, but its for 3000 psi
CpTn_lAw wrote:
![Very Happy :D](./images/smilies/icon_e_biggrin.png)
"yay, me wanna make big multishot pnoob with 1000 psi foot pump compressor using diamond as main material. Do you think wet bread make good sealant? "
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jackssmirkingrevenge
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Sun Dec 02, 2012 2:24 pm
wyz2285 wrote:I know, but its for 3000 psi
Still overkill but better safe than sorry.
killerbanjo, here's your part:
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Attachments
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![kbpart2.jpg (180.76 KiB) Viewed 2422 times kbpart2.jpg](./download/file.php?id=23081&t=1&sid=ffd4aa053dbe28b5add1fc7378b11fda)
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![kbpart1.jpg (102.07 KiB) Viewed 2422 times kbpart1.jpg](./download/file.php?id=23082&t=1&sid=ffd4aa053dbe28b5add1fc7378b11fda)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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jackssmirkingrevenge
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Mon Dec 03, 2012 1:34 am
killerbanjo wrote:I belive that is a loom, did you mean this?
The loom is inside a silk mill so I consider everything I do there to be milling, whether sitting at the loom or using the ladies' room
*knock knock*
"Are you still milling in there Gladys?"
*strain*
"Yeeeeesssss"
![Very Happy :D](./images/smilies/icon_e_biggrin.png)
hectmarr wrote:You have to make many weapons, because this field is long and short life
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PaperNinja
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Thu Dec 06, 2012 8:35 am
This isn't actually a part, but I do have a question about machining.
wikipedia says that for a 1/4" pipe size, the OD of the pipe needs to be 0.54". If my pipe is 0.59" OD, will I still be able to externally thread it or will I need to sand it down?
I could also do pipe size 1/8" (I'd rather do 1/4"), for that it's supposed to be 0.405" and I can get 0.39". Would that work better?
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jrrdw
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Thu Dec 06, 2012 11:49 am
If my pipe is 0.59" OD, will I still be able to externally thread it or will I need to sand it down?
.05" of a difference, you should be ok. Use a good cutting lube. What kind of thread cutter are you using? A die would be the most trouble with the size difference.
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PaperNinja
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Thu Dec 06, 2012 12:01 pm
I'm actually hoping not to thread it myself, there's a place Fastenal right near my dance studio that I'm hoping will be able to thread it for me (though it would be nice to do it myself, I don't have the equipment to do it i think...)
If a die would be the most trouble, what other ways are there? Is there a way I can thread it with the tools I have at home? (Standard stuff)
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jrrdw
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Thu Dec 06, 2012 12:08 pm
Google pipe threaders, manual and power. A metal lathe can also be used, but takes set up time to do it right.
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jrrdw
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Thu Dec 06, 2012 12:34 pm
You never mentioned your budget...did you? Hardware stores and or a plumber, any place that works with or installs pipe should have a threader to do the job. Can't say what they charge you but shouldn't be much. What kind of shop is Fastenal?
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PaperNinja
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Thu Dec 06, 2012 12:57 pm
You never mentioned your budget
Very true
What kind of shop is Fastenal?
The signs on the outside say it's a machine shop, so I assumed it would be able to thread pipe. If they can't, there's a Home Depot close by too.
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jrrdw
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Thu Dec 06, 2012 1:04 pm
Home Chepot's have pipe threaders around my way, your local store should have it as well. The machine shop will charge you set up time...