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"Lempo" pneumatic ballistic knife

Built a miniature cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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Unread postAuthor: Goats spudz » Wed Oct 19, 2011 9:27 am

POLAND_SPUD wrote:Nice
I am waiting for a pneumatic chainsaw
haha http://www.csunitec.com/saws/air-chain-saws.html
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Unread postAuthor: jackssmirkingrevenge » Wed Oct 19, 2011 10:15 am

oooh very nice! Do want... not sure for what, but it's scarcely important ;)
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 20, 2011 5:56 pm

Some more work on this, the schrader was slightly crooked and annoying the heck out of me so I drilled it out and installed a new one - needs a bit of cleaning up once the epoxy cures but aligned at least.

I also made a new collar out of brass and extended the dimple pattern but to be honest it's not that attractive, I might just have overdone it. A plain ring sounds like a better idea.
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Unread postAuthor: Labtecpower » Thu Oct 20, 2011 6:02 pm

The dimply ring is too much I think...

A nice shaped smooth polished collar would look better.
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Unread postAuthor: USGF » Thu Oct 20, 2011 6:03 pm

JSR,

What happened to the silver solder!!! I hate waiting for epoxy...

USGF
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 20, 2011 6:23 pm

Labtecpower wrote:A nice shaped smooth polished collar would look better.


Yep, definitely. I'll keep it as an "Ah, look, I was up all night making you this ring" emergency gift :D

USGF wrote:What happened to the silver solder!!! I hate waiting for epoxy...


In this case it's past my bedtime so it has plenty of time to cure before I have time to do more on it tomorrow after work. Unlike some people *cough cough hint hint cough cough* I have a day job and don't get to tinker from 9 till 5 ;)
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Unread postAuthor: Labtecpower » Thu Oct 20, 2011 6:30 pm

Yep, definitely. I'll keep it as an "Ah, look, I was up all night making you this ring" emergency gift :D


Again I would go for something smooth and polished :D


*cough cough hint hint cough cough*


I'll think of you when I wake up at 10.30 :D
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 20, 2011 6:38 pm

Labtecpower wrote:Again I would go for something smooth and polished :D


Doesn't matter, it's the reaction that counts. Don't waste time and effort making gifts for ungrateful women ;)

I'll think of you when I wake up at 10.30 :D


That was meant for USGF who earns a living commanding an army of CNC slaves ;) I never wake up that late, work or weekend, unless I've had a particularly heavy night and got home at 6 in the morning...
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Unread postAuthor: Labtecpower » Thu Oct 20, 2011 6:45 pm

That was meant for USGF who earns a living commanding an army of CNC slaves :wink: I never wake up that late, work or weekend, unless I've had a particularly heavy night and got home at 6 in the morning...


I tought you was pointing at my midweek party :D


Doesn't matter, it's the reaction that counts. Don't waste time and effort making gifts for ungrateful women :wink:


Again, you seem to attract a different kind than I do :P
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Unread postAuthor: Gun Freak » Thu Oct 20, 2011 8:53 pm

Definitely over did that ring. Looks like it has anti mumps. :D Plain brass would be best, I think.
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Unread postAuthor: jackssmirkingrevenge » Thu Oct 20, 2011 11:53 pm

Labtecpower wrote:Again, you seem to attract a different kind than I do :P


I know it sounds "bitter" but honestly, there's only one "kind" ;) the only reason I go on about it here is that there are so many things I wish I was told when I was younger, it would have made life easier :)

Luddite Freak wrote:Looks like it has anti mumps.


Cheers :D

Yes, plain brass looks like a better deal, though I might inlay some aluminium to make it interesting.

In terms of decoration I was talking to jakethebeast and he mentioned etching, definitely something I want to look into, especially as I have access to pretty much any acid I want :)
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Unread postAuthor: USGF » Fri Oct 21, 2011 2:43 am

jackssmirkingrevenge wrote: I have access to pretty much any acid I want :)


Very dangerous that Nitric acid. :D

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Unread postAuthor: jackssmirkingrevenge » Fri Oct 21, 2011 3:07 am

USGF wrote:Very dangerous that Nitric acid. :D


I have a couple of litres in the lab, and a couple of drums in the plant, but it seems that I won't have to resort to anything that violent ;)
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Unread postAuthor: Zeus » Fri Oct 21, 2011 3:41 am

Jack, if you want to get rid of the nitric acid (or any other), let myself and SB know, we'll happily relieve you of it. :D

Nice work, if the ring makes triggering it easier, then it's perfect, function over form and all.

(Speaking of acids, I just managed to spill some 70% H<sub>2</sub>SO<sub>4</sub> on heating apparatus.Hot heating apparatus of course. Improvising miniature glassware from Pasteur pipettes requires better glassworking skills.)
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Unread postAuthor: jackssmirkingrevenge » Fri Oct 21, 2011 4:02 am

Zeus wrote:Jack, if you want to get rid of the nitric acid (or any other), let myself and SB know, we'll happily relieve you of it. :D


Don't worry, I get rid of it bit by bit ;)

Nice work, if the ring makes triggering it easier, then it's perfect, function over form and all.


No, that's the problem with making things pretty! The issue here is that I deliberately went for aesthetic features. Been reading up on etching though, it seems like I can do it easily, watch this space :)

(Speaking of acids, I just managed to spill some 70% H<sub>2</sub>SO<sub>4</sub> on heating apparatus.Hot heating apparatus of course. Improvising miniature glassware from Pasteur pipettes requires better glassworking skills.)


Only 70%? pfft.

I might have some spare weird glassware on the market...
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