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 81 users online :: 5 registered, 0 hidden and 76 guests


Most users ever online was 155 on Mon Aug 15, 2016 1:40 am

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

The Team
Administrators
Global Moderators
global_moderators.png CS

qev footage

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
Sponsored 
  • Author
    Message

qev footage

Unread postAuthor: Demon » Fri Oct 16, 2009 4:35 pm

http://www.youtube.com/watch?v=jvnGPOUb ... re=channel

That guy has made a very quick openeing valve
(the piston is extremely lightweight).

Just replay it, you can see the bullet going out.I cant get tired of it.
  • 0

User avatar
Demon
Colonel
Colonel
 
Posts: 743
Joined: Sun Apr 13, 2008 8:46 am
Reputation: 0

Unread postAuthor: Mr.Sandman » Fri Oct 16, 2009 4:39 pm

The best part about it is when you see the ginormous vapor cloud and the bullet whizzing through. Hmm maybe i will make a slow mo thread.
  • 0

Yeah, it's that important.
User avatar
Mr.Sandman
Donating Member
Donating Member
 
Posts: 762
Joined: Fri Mar 28, 2008 9:10 am
Country: Antarctica (aq)
Reputation: 0

Unread postAuthor: Brian the brain » Fri Oct 16, 2009 4:50 pm

If you take a look at his other vids...at normal speed you can still see the projectile...

Not that impressive.. :oops:

But the slow moving vapour cloud is!!
  • 0

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!!
User avatar
Brian the brain
Moderator
Moderator
 
Posts: 3494
Joined: Mon Dec 05, 2005 2:06 am
Location: Holland
Country: Netherlands (nl)
Reputation: 29

Unread postAuthor: spudtyrrant » Fri Oct 16, 2009 5:09 pm

Mr.Sandman wrote:The best part about it is when you see the ginormous vapor cloud and the bullet whizzing through.
i think the "cloud" is a powder that he added behind the projectile not condensed water vapor
  • 0

I ♥ ♣'in baby seals
User avatar
spudtyrrant
Colonel
Colonel
 
Posts: 550
Joined: Fri Jan 02, 2009 6:10 pm
Reputation: 0

Unread postAuthor: velocity3x » Fri Oct 16, 2009 5:47 pm

Actually...... quite unremarkable. IMO
  • 0

User avatar
velocity3x
Brigadier General
Brigadier General
 
Posts: 827
Joined: Fri Jun 05, 2009 3:09 pm
Location: Yuma, Arizona
Country: United States (us)
Reputation: 7

looks like flour

Unread postAuthor: Procyon » Fri Oct 16, 2009 7:18 pm

I use flour for launching horizontal rockets. With more mass then the air compressing it gives a considerable amount more thrust then air alone. At least with rockets anyway. I never tried it with a projectile. Looks like he packed some flour behind the projectile as the visual effect is the same, but since rockets carry the fuel and expel it in free air I wouldn't think it would have the same effect as a projectile that begins to slow down the moments it leaves the barrel. Nice video but seems like a bit of drama went on.
  • 0

Attachments
RL3.jpg

Procyon
Private First Class
Private First Class
 
Posts: 29
Joined: Fri Oct 16, 2009 3:45 pm
Reputation: 0

Unread postAuthor: rikukiakuchiki777 » Fri Oct 16, 2009 7:36 pm

I quite liked the vid actually. The performance, as mentioned, may not be spectacular but it sure is a nice effect. Once upon a time, I had a spray and pray and I would make 65mm x 100mm 'flour shells'. It was some cylindrical card paper with paper end caps - filled full of flour. The objective was to shoot a heap of flour out of the barrel to make the smoke effect but it ended up just shooting the whole shell and exploding on impact in a giant cloud of white :D
  • 0

User avatar
rikukiakuchiki777
Staff Sergeant
Staff Sergeant
 
Posts: 110
Joined: Wed Feb 11, 2009 1:00 am
Location: Australia
Reputation: 0

Sponsored

Sponsor
 


Unread postAuthor: Ragnarok » Fri Oct 16, 2009 7:40 pm

I'm going to have to agree. That looks more like a cloud of flour than water vapour. It appears too quickly, disappears too slowly, and just reacts wrong. Compare the large cloud and what emerges from the muzzle (after what I expect is exaggerated recoil).

The "blast" vapour cloud disappears fast - HEAL is capable of blast vapour several feet long, but it's still translucent and is only caught on only 2 or 3 frames of video (and only reasonably clearly on one of those).

While visually impressive at first glance, I am pretty certain that it's a set-up.
  • 0

Does that thing kinda look like a big cat to you?
User avatar
Ragnarok
Chief of Staff
Chief of Staff
 
Posts: 5339
Joined: Tue Dec 19, 2006 8:23 am
Location: The UK
Reputation: 8

Unread postAuthor: Demon » Fri Oct 16, 2009 8:08 pm

While visually impressive at first glance, I am pretty certain that it's a set-up.


Of course, it is said that its a aluminium ball with flour in the description.

Edit:

woops, you dont talk french, sorry i forgot :oops: ...
  • 0

User avatar
Demon
Colonel
Colonel
 
Posts: 743
Joined: Sun Apr 13, 2008 8:46 am
Reputation: 0

Unread postAuthor: Ragnarok » Fri Oct 16, 2009 8:28 pm

Demon wrote:woops, you dont talk french, sorry i forgot :oops: ...

I know some limited French. Indeed, with context, I can partially fudge my way through a few European languages... and even Australian, believe it or not. :tongue3:

However, I will be honest, I didn't bother trying to read it, because I didn't expect to be able to (Kinda silly as it turns out. Looking again, it is within my limits.)

Still, either way, the details are set out for later viewers now.
  • 0

Does that thing kinda look like a big cat to you?
User avatar
Ragnarok
Chief of Staff
Chief of Staff
 
Posts: 5339
Joined: Tue Dec 19, 2006 8:23 am
Location: The UK
Reputation: 8

Unread postAuthor: rikukiakuchiki777 » Fri Oct 16, 2009 8:39 pm

Ragnarok wrote:Indeed, with context, I can partially fudge my way through a few European languages... and even Australian, believe it or not.


G'day mate! you up for a barbie this arvo? shes gonna be a beaut'! We've got snags and an esky full of cold ones!
  • 0

User avatar
rikukiakuchiki777
Staff Sergeant
Staff Sergeant
 
Posts: 110
Joined: Wed Feb 11, 2009 1:00 am
Location: Australia
Reputation: 0

Return to Pneumatic Cannon Discussion

Who is online

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

Reputation System ©'