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The Offcial Machinist Thread: Revised 01/04/2014

A place to ask general spud cannon related questions.
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Unread postAuthor: jackssmirkingrevenge » Thu Aug 29, 2013 12:44 am

Yeah, I've been spoilt :roll: :D
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Unread postAuthor: CS » Thu Aug 29, 2013 5:36 pm

Jrrdw, I have the 8x12 just like you. I have a 4" 3 jaw chuck with 3 mounting holes that came with the lathe. I had bought a 4" 4 jaw chuck, unknowingly, with 4 mounting holes. Then I discovered at some point in time that the 3 jaw could hold the 4 jaw chuck.

Just back out the jaws on the 3 jaw chuck until they almost fall out, then see if it'll fit.
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Unread postAuthor: jrrdw » Fri Aug 30, 2013 3:27 pm

CS, did you get outside jaws with yours? I did and they would grab it no problem. I'd like to get a treadmill motor and convert mine to varitable speed, other then changing the belt to another pulley.
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Unread postAuthor: wyz2285 » Tue Sep 03, 2013 1:50 pm

A very close friend's birthday is near, so I thought I'd give him something cool.
So I'm making a 5mm smooth bore PCP pistol( probably will have a butt stock though).
Also made a kit to make 5mm lead pellets, all parts made from 32 OD aluminium cylinder, the cup for melting lead is bored out for the same cylinder, just to not wast the left overs :)
PS: sorry Jake, it's way more fun making this than your bolt :lol:
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CpTn_lAw wrote::D "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? " :D
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Unread postAuthor: wyz2285 » Thu Sep 19, 2013 12:16 pm

Almost done :)
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CpTn_lAw wrote::D "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? " :D
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Unread postAuthor: jrrdw » Thu Sep 19, 2013 4:55 pm

Nice work, he's gonna like it. 8)
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Unread postAuthor: Gun Freak » Thu Sep 19, 2013 6:42 pm

jrrdw wrote:Nice work, he's gonna like it. 8)



Indeed I am!! :D
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Unread postAuthor: jrrdw » Thu Sep 19, 2013 8:06 pm

Gun Freak wrote:
jrrdw wrote:Nice work, he's gonna like it. 8)



Indeed I am!! :D


Spoiled rotten!!!!!!!!!!! :P
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 20, 2013 6:52 am

Make sure you wrap it well...
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Unread postAuthor: Gun Freak » Fri Sep 20, 2013 6:55 am

jackssmirkingrevenge wrote:Make sure you wrap it well...


Yeah no kidding...

I was joking about it being for me... Haha. But hey jack maybe now that you're closer you could give that part another go once you're settled in... ;)
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 20, 2013 6:58 am

Why not the whole thing :)

We have this in the shop as a demo:

[youtube]http://www.youtube.com/watch?v=zzeWmDLZ5Lw[/youtube]
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Unread postAuthor: wyz2285 » Fri Sep 20, 2013 7:01 am

How did you make the cap for the schrader valve? What tap size did you use?
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CpTn_lAw wrote::D "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? " :D
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Unread postAuthor: Gun Freak » Fri Sep 20, 2013 7:49 am

jackssmirkingrevenge wrote:Why not the whole thing


You would send me an entire pen gun? :lol: I'm happy with mine... :)
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 20, 2013 12:10 pm

Gun Freak wrote:You would send me an entire pen gun? :lol: I'm happy with mine... :)


For the right price, you could get a better one :)

How did you make the cap for the schrader valve? What tap size did you use?


I ddin,t tap it myself, just used one ofthese, lathed it down and epoxied it into the cap, voila.
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Unread postAuthor: wyz2285 » Fri Sep 20, 2013 12:43 pm

I ddin't tap it myself, just used one of these, lathed it down and epoxied it into the cap, voila

Ah, same here :)
I also made a new one, 4.5mm
Now for a question, what vise do you all use for precise milling? I'm not very happy with my set up... :roll:
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CpTn_lAw wrote::D "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? " :D
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