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Lil' Shatterhand buildlog

Built a pneumatic 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: Brian the brain » Sat Sep 14, 2013 4:28 pm

Working on the video right now...

Edit:
Here we go...




I got about 7 shots from one charge.

My son missed most of his shots...he hit on the last one though...hence the low report..
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Last edited by jrrdw on Thu Oct 17, 2013 2:35 pm, edited 1 time in total.
Reason: Fixed video.
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: dart guy » Sat Sep 14, 2013 7:40 pm

i think that i am gonna rad this and your preivous buid log (hope there is one) because i want one
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Unread postAuthor: Gun Freak » Sat Sep 14, 2013 10:10 pm

Sweet! Cool little vapor plume 8)

Projectiles in this video? Pressure?
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Unread postAuthor: Brian the brain » Sun Sep 15, 2013 2:27 am

Previous build:

http://www.spudfiles.com/forums/cbhv-ma ... rt,15.html



Projectiles in this video? Pressure?


Yes.. :roll: obviously...

Sweet! Cool little vapor plume


:D

I especially like seeing the hammer hit and the target jump up at the same time..

Projectiles: berries pressure: 10 bar
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: Brian the brain » Wed Sep 18, 2013 2:50 pm

Hmm...double post?
Am I starting to bore you guys?


:D
I tried her out last Sunday, using 16 bar...
Made me very happy :wink:

Too powerful for my kid I can tell you...

I've made some iron ( brass) sights...made the tunnel for the ramrod, a brass tip for the rod...In the bottom picture it's partially pulled out.

You can barely make out the front sight.It's triangular seen from the front, just a piece of brass..Rear sight is fixed.

And I made a buttplate out of brass pipe.
I cut it, folded it open,( PITA!!) flattened it and hammered it into shape by hand.
Like panelbeating..?
The edges are now curled.
I really enjoyed the process.

Not a perfect fit and you can clearly see it's been hammered...but I kinda like it..
Only time will tell how well I can clean it up.

I'll fix up the damaged paint later after I completed the fit to the stock.

The buttplate can be rotated after the centre screw is removed by hand.
The other bolt will be replaced by something better suited for the job.

Pictures are in random order...
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Attachments
001.JPG
002.JPG
003.JPG
004.JPG
005.JPG
007.JPG
Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: wyz2285 » Thu Sep 19, 2013 12:25 pm

Superb. Sometimes I also "unfold" tubes to get foils :D
It's a great idea to have the ramrod incorporated, for a coaxial :)
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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: jackssmirkingrevenge » Fri Sep 20, 2013 6:55 am

Très agréable, bravo!
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Unread postAuthor: Labtecpower » Fri Sep 20, 2013 10:22 am

Hmm...double post?
Am I starting to bore you guys?


Nope, it's like metal porn :D
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Unread postAuthor: jackssmirkingrevenge » Fri Sep 20, 2013 12:06 pm

Labtecpower wrote:Nope, it's like metal porn :D


*fapshting* *fapshting* *fapshting*
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Unread postAuthor: Brian the brain » Fri Sep 20, 2013 12:14 pm

Très agréable, bravo!

Speak Epoxy...you collaborateur :D

It's a great idea to have the ramrod incorporated, for a coaxial

Not really my idea is it?

Superb. Sometimes I also "unfold" tubes to get foils

It was the only way to get a piece large enough...but I'm not satisfied.
I want a perfect fit.
..so I might be doing some more hammering...or scrap it the minute I find something better.

I'll think it over first..I'm starting to wear myself out.

I do realise that the brass tip I had wanted to do under the barrel can't be done now that the ramrod is there.
It would be too hard to pull out the rod...unless I'd have it stick out even further, wich I don't like...
maybe I'l make some sort of brass thingy just to finish the theme, but I won't be extending the stock slightly past the muzzle to get the "massive-agressive" look I'd like.
It's just not functional.

Edit: Oh...and thanks for the kind words...just what I needed to get out of my depressed state of mind caused by overexhaustion.. :D

*fapshting* *fapshting* *fapshting*

:D
The sound of a knight in armour reproducing... :lol:
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Unread postAuthor: wyz2285 » Fri Sep 20, 2013 12:57 pm

..so I might be doing some more hammering

I found heating it up then clamp it in a vise left a better surface than hammering. Repeat the process until you get a large enough foil.
Not really my idea is it?

No but I'm surprised that no one have incorporated one in a coaxial.
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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: Brian the brain » Sat Sep 21, 2013 8:22 am

No but I'm surprised that no one have incorporated one in a coaxial.

I can't imagine it being a spudfiles first... :roll:

It just makes sense to do so...for this build especially, but every coax should have it really...

I found heating it up then clamp it in a vise left a better surface than hammering. Repeat the process until you get a large enough foil


It's not the surface I'm worried about, it's the rounded edge not fitting the stock properly and the lack of sufficient thickness.
A 100% fit would give it enough support against the stock but without it, the 1mm thickness means it's wobbly.

I'll get it right, just not sure when.
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Re: Lil' Shatterhand buildlog

Unread postAuthor: Brian the brain » Sat Nov 09, 2013 3:17 pm

Added some gold/brass paint and some ( actual) brass lionhead sling attachment thingies...
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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Re: Lil' Shatterhand buildlog

Unread postAuthor: jackssmirkingrevenge » Sun Nov 10, 2013 8:33 am

Nice! You should finish the paint though.

From a steampunk forum:

Model paints from hobby shops can work great, be sure to give the bits you're planning on painting a dark base coat (usually black), and then a heavily thinned wash of the black (or black + metallic color) once the main coat has dried. The wash will help give the illusion of deeper cracks and seams, and provide a bit of grunge to look like the camera has been used a lot.

This method works well. You could also consider applying a heavy drybrush of antique bronze over the black basecoat, followed by antique gold and then a light flick over with brass to pick out the "worn" areas that would be shinier than the rest of the finish on real brass. Depending on how old you want it to look, apply more or less gold before the brass.

A lot of it depends on the texture and shape of the piece to be painted. Here's a Nerf gun I did with the method described above to give you an idea of what I mean.

Image
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Re: Lil' Shatterhand buildlog

Unread postAuthor: Brian the brain » Mon Nov 11, 2013 2:17 pm

Seems like I'll have to do a little touch-up anyway..
I had to take her apart.

The piston got reduced to shreds...I used several layers of thin rubber and washers as the main body.I glued an O-ring to the front, slightly larger than the required diameter so it would hug the walls.
Logically, the superglue dissolved because of lubricants..


Anyway.
I sharpened a scrap section of the outer reservoir tube and cut a new piston out of solid 1/4"rubber.I backed it with a metal washer.

As I had opened her up anyway...I decided to insert a second tube into the barrel, reducing caliber to 8mm....perfect for some rubber toy bullits I have a lot of.
The double layered barrel should be able to withstand a lot more pressure safely too.

I also extended the barrel a little as I realised I had way more piston movement than was nessecary...thus reducing pilot volume to the absolute minimum making it very responsive to the hammer.
I could probably ( an educated guess) pilot it at 30 bar easily.
Maybe more.

I just fired it at 18 bar and this thing is a beast.
Did 6 very powerful shots and it doesn't seem to be losing much power yet.
Dented a steel toolbox..took the paint right off.

I'm wondering how much damage I would get with lead projectiles....
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Gun Freak wrote:
Oh my friggin god stop being so awesome, that thing is pure kick ass. Most innovative and creative pneumatic that the files have ever come by!

Can't ask for a better compliment!!
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