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

In total there are 66 users online :: 2 registered, 0 hidden and 64 guests

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

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

The Team
Global Moderators
global_moderators.png CS

Revised Hybrid Piston Valve Design

Post questions and info about hybrid (compressed gas with fuel) powered cannons here. This includes discussion about fuels, ratios, ignition systems, build types, safety, and anything else relevant.
  • Author

Revised Hybrid Piston Valve Design

Unread postAuthor: saefroch » Tue Aug 03, 2010 7:59 pm

After Technician pointed out the obvious failure of my previous configuration, I came up with this design, which seems to me to overcome the issue of tearing off the front o-ring. I have also replaced the compression spring with an air spring, which is far more adjustable. Useful comments much appreciated.

Old Design:

New Design
  • 0

User avatar
Major General
Major General
Posts: 1679
Joined: Mon Jun 08, 2009 8:47 am
Location: U.S.A.- See Map
Country: United States (us)
Reputation: 0

Unread postAuthor: SpudFarm » Wed Aug 04, 2010 7:05 am

Is this a valve housed in a cross fitting? Looks like it and I like it.
But my question is why you don't just funnel the two chambers into one tee fitting and make a regular piston valve?

The piston you are using in the new design looks huge and heavy, that's reason enough to build something simpler in my opinion.

On the other hand, I would like to see a cannon like this.
  • 0

"Made in France"
- A spud gun insurance.
User avatar
Donating Member
Donating Member
Posts: 2571
Joined: Sat Nov 04, 2006 9:39 am
Location: Norway Trondheim area
Reputation: 1

Return to Hybrid Cannon Discussion

Who is online

Registered users: Bing [Bot], Google [Bot]

Reputation System ©'