Login    Register
User Information
Username:
Password:
We are a free and open
community, all are welcome.
Click here to Register
Sponsored
Who is online

In total there are 45 users online :: 6 registered, 0 hidden and 39 guests


Most users ever online was 218 on Wed Dec 07, 2016 6:58 pm

Registered users: Bing [Bot], Exabot [Bot], Google [Bot], jimmy101, MSNbot Media, Yahoo [Bot] based on users active over the past 5 minutes

The Team
Administrators
Global Moderators
global_moderators.png CS

Second Sniper Rifle!

Built a pneumatic cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
Sponsored 
  • Author
    Message

Second Sniper Rifle!

Unread postAuthor: elitesniper » Sun Nov 11, 2007 3:52 pm

this is my second sniper i made i just finished now and am waiting for it to cure . update* ok i got some damage pics now and some more pics of the gun hope you guys like it* new update Update**:D i got a shiny new gauge on it :D and fixed the stock from the previous position cause it was moving .
* updates*
breech.
Painting the Valve.
More DAMAGE PICS:D
http://www.youtube.com/watch?v=HPMqAeRYIRI
damge video at low pressure
  • 0

Attachments
newsniper.JPG
the gun
no barel.JPG
no barell on
1234567.JPG
soft ball of play dough at 30 psi
wall.JPG
play dough at 20 psi 40 feet away
wall2.JPG
shot at 35 psi through my neigbors wall
12.JPG
range at 65 psi with a rubber balls cant really see it well but its 150 yards
size.JPG
gun compared to my dads car
w.JPG
new gauge
breech.JPG
new bolt action breech.
side.JPG
new painted valve.
Last edited by elitesniper on Thu Dec 20, 2007 11:37 pm, edited 13 times in total.
User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: ALIHISGREAT » Sun Nov 11, 2007 3:59 pm

looks alright but i would have put a tee in instead of the 90degree elbow and fixed the stock into that, the stock would then give you more chamber volume aswell oh and i would also have mounted the blowgun inside the two elbows.... and make sure you get those damage pics up :twisted:
  • 0

User avatar
ALIHISGREAT
Major General
Major General
 
Posts: 1779
Joined: Sat Aug 25, 2007 6:47 pm
Location: UK
Reputation: 0

Unread postAuthor: f.c » Sun Nov 11, 2007 4:03 pm

thats definetly a nice gun. that hose connecting the blow gun to the sprinkler valve is it pressure rated ? im only asking that as it looks a quite thick and doesn't appear to have those strand of metal or plastic in it to strengthen it. the last thing you want is your gun piloting when you don't want to.
  • 0

can i be a sasquatch ?
User avatar
f.c
Captain
Captain
 
Posts: 340
Joined: Sun Jul 08, 2007 2:40 am
Reputation: 0

Unread postAuthor: elitesniper » Sun Nov 11, 2007 4:06 pm

wat isnt that bad to have ur stock as a tank it give dead space or sumthing das why i didnt do the tee thing
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: ALIHISGREAT » Sun Nov 11, 2007 4:08 pm

elitesniper wrote:wat isnt that bad to have ur stock as a tank it give dead space or sumthing das why i didnt do the tee thing


its only dead space if its not part of the tank... or if its not part of the tank and its not blocked off.
  • 0

User avatar
ALIHISGREAT
Major General
Major General
 
Posts: 1779
Joined: Sat Aug 25, 2007 6:47 pm
Location: UK
Reputation: 0

Unread postAuthor: elitesniper » Sun Nov 11, 2007 4:18 pm

i mean like if the stock is the tank too it slows down the air flow?
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: elitesniper » Sun Nov 11, 2007 11:13 pm

can somebody tell the C:B ratio of my gun has cuase iono how to
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Sponsored

Sponsor
 


Unread postAuthor: the beast » Mon Nov 12, 2007 4:14 pm

its really hard to tell the C:B ratio just by looking at it but the way i tell my C:B ratio is just pour water into the chamber until it is full and measure it then do the same to the barrel. then just simplify or divide or such till it is in simple forms. Example:Chamber=10.9 cups, Barell=9.8 Cups or 10.9:9.8 then just simplify to get your ratio. Hope this helps. :)
Great cannon too i like the handle.
  • 0

User avatar
the beast
Private
Private
 
Posts: 22
Joined: Wed Sep 12, 2007 9:00 pm
Reputation: 0

Unread postAuthor: elitesniper » Mon Nov 12, 2007 6:20 pm

dus no one like my gun:[
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: Hubb » Mon Nov 12, 2007 6:26 pm

elitesniper wrote:i mean like if the stock is the tank too it slows down the air flow?


I haven't really tested it, but the ones I've built...well, I think this statement is just a little over-rated.

As far as the C:B, it is definitely less than a 1:1 but it is hard to tell as of now. What is the size / length of the chamber and the size / length of the barrel?
  • 0

User avatar
Hubb
Major General
Major General
 
Posts: 2390
Joined: Mon May 28, 2007 8:39 am
Location: South Georgia
Reputation: 2

Unread postAuthor: elitesniper » Mon Nov 12, 2007 6:32 pm

hubb017 wrote:
elitesniper wrote:i mean like if the stock is the tank too it slows down the air flow?


I haven't really tested it, but the ones I've built...well, I think this statement is just a little over-rated.

As far as the C:B, it is definitely less than a 1:1 but it is hard to tell as of now. What is the size / length of the chamber and the size / length of the barrel?
there both 1inch but the chamber is like 1 inch longer
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: elitesniper » Mon Nov 12, 2007 6:33 pm

wait less then 1:1 is bad? and btw the recoil of this thing is MASSIVE
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Unread postAuthor: Hubb » Mon Nov 12, 2007 6:45 pm

1:1 on a pneumatic is not bad. It was just my prediction (seeing as how the chamber was shorter than the barrel).

As far as the power of a pneumatic, that all depends on the kind of pressure, type of air flow, etc. It is less effected by C:B.

As far as your launcher, it looks good and that was a pretty nifty way of adding the stock.

Oh, how long is the chamber and barrel?
  • 0

User avatar
Hubb
Major General
Major General
 
Posts: 2390
Joined: Mon May 28, 2007 8:39 am
Location: South Georgia
Reputation: 2

Unread postAuthor: potatoflinger » Mon Nov 12, 2007 6:46 pm

Great looking gun, I also like the play-doh ammo idea.
  • 0

It's hard to soar with eagles when you're working with turkeys.
User avatar
potatoflinger
Brigadier General
Brigadier General
 
Posts: 1136
Joined: Thu Nov 02, 2006 3:26 pm
Location: Maryland
Reputation: 1

Unread postAuthor: elitesniper » Mon Nov 12, 2007 6:51 pm

barrel is 30 inches, the chamber is 39 inchs if u add the bends and everthing else behind the valve not the stock tho
  • 0

User avatar
elitesniper
Brigadier General
Brigadier General
 
Posts: 1090
Joined: Sat Oct 13, 2007 8:40 pm
Reputation: 0

Next

Return to Pneumatic Cannon Database

Who is online

Registered users: Bing [Bot], Exabot [Bot], Google [Bot], jimmy101, MSNbot Media, Yahoo [Bot]

Reputation System ©'