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SB15's Hybrid (Now handheld)

Built a hybrid 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: frankrede » Thu Jul 26, 2007 10:20 pm

No, his cannon is a fake cannon, it doesn't really fire.

My god.
If you really want to build a hybrid I have 2 questions, What cannons have you built and have you checked the wiki?
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Unread postAuthor: Alabaster » Thu Jul 26, 2007 10:36 pm

simple pneumatic and simple combust i sell them in neighborhood and yes i have i just want to figure out how hybrids operate
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Unread postAuthor: iPaintball » Thu Jul 26, 2007 10:37 pm

A hybrid cannon is just that, a HYBRID of pneumatics and combustions. Please use the spud wiki in the future :wink: This is the wiki's definition:

A hybrid is a type of spudgun that combines principles of the combustion and pneumatic spudgun. It uses a pressurized mixture of fuel and air to get more power out of a given chamber volume. The hybrid is capable of higher velocities than a combustion or pneumatic spudgun; projectiles fired by a hybrid have broken the sound barrier (Source). This is possible because of the higher pressure and temperature gases.

Don't even THINK about thinking about constructing a hybrid yourself until tou have a lot of experience in pneumatics and combustions. As BoogieMan says, "If you mess up on a combustion or a pneumatic, you are out a few dollars. If you mess up on a hybrid, you are dead."
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Unread postAuthor: Alabaster » Thu Jul 26, 2007 10:41 pm

thank u man i just wanted to know a little more i wouldnt build one because of my staraight out baffeled ness of the concept

thx
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Unread postAuthor: iPaintball » Thu Jul 26, 2007 10:43 pm

Just do yourself a favor and don't kill yourself. :wink:
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Unread postAuthor: SpudBlaster15 » Thu Aug 09, 2007 1:01 am

The launcher is now handheld, and a video has been added to the main post.
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Unread postAuthor: spudman029 » Thu Mar 27, 2008 12:18 pm

How are you able to vent the burnt gases after an ignition?
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Unread postAuthor: SpudFarm » Thu Mar 27, 2008 12:24 pm

he don't really need to..
it takes som time to change burstdisk and it get vented in that time.
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Unread postAuthor: SpudBlaster15 » Thu Mar 27, 2008 3:19 pm

You must vent the combustion products from the chamber using manually induced airflow, as it will require a far larger time period for atmospheric gases to completely displace the combustion products than is required to change burst disks.

If you use my air through meter design, there really is no other way around it.

However, there may be another option if you are using the less accurate traditional fuel meter (such as the setup present on spudfarm's hybrid). If you could eliminate mixing of the atmospheric air with the non reactive atmosphere retained in the chamber after combustion, you could simply add another atmosphere to your chamber when pressurizing to compensate. A ball valve positioned such that it directly precedes the union would probably work well.
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Unread postAuthor: HybridRAGE » Thu Aug 07, 2008 1:53 pm

Hey I am building a hybrid that pressurizes MAPP and O2 but I saw yours and was wondering how you connected the hose to the can. right now it looks like my only options are:
1. Pay for 2 torch heads and cut them off
2. Buy connectors that do not have valves (meaning I can't dial them down or up...)

Did you by chance find connectors that have the valves in them without cannibalizing torch heads?
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Unread postAuthor: DYI » Thu Aug 07, 2008 9:06 pm

By modifying the regulator on the Canadian Tire "Oxy/MAPP torch", you can get it to output up to 70 psi, depending on how hard you push down the diaphragm. A better long term option is just to get a proper oxygen tank with a real regulator.
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