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| UnrealityisReal |
 Posted: 02/10/2005 10:52 AM Post subject: MAP Gas |
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Private
Joined: 08 Feb 2005
Posts: 12
57.58 Spud Bux
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| I have a combustion cannon that uses propane and i was interested in upgrading to MAP Gas. Does anyone have any information regarding the safety of this activity, as well as the percentage of gas by volume that should be used? |
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| BC Pneumatics |
| Posted: 02/10/2005 22:03 PM Post subject: |
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Donating Moderator
Joined: 18 Jan 2005
Posts: 1155
2439.97 Spud Bux
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It shoots farther, but it isnt worth the extra cost, and it smells even worse that propane does! You are much better off with propane.
Also, it is MAPP  |
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| Aaron ????? |
| Posted: 05/15/2005 6:15 AM Post subject: |
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Sergeant
Joined: 10 Mar 2005
Posts: 99
259.51 Spud Bux
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what is mapp gas
does m a p p stand for anything or what |
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| yuandrew |
| Posted: 08/03/2005 13:58 PM Post subject: |
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Private First Class
Joined: 03 Aug 2005
Posts: 32
167.58 Spud Bux
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Mapp Gas- Methyl Acetylene Propadiean Gas
(A mixture of propane and Acetylene) More power than propane but I would only use it in very large guns
I had someone told me he used Mapp gas with Oxygen in a 6" diameter combustion chamber connected to a 1.5" barrel. The potato flies out so fast that it disengrated upon exiting the cannon |
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| boilingleadbath |
| Posted: 08/03/2005 14:57 PM Post subject: |
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Joined: 12 Mar 2005
Posts: 1647
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| The aerodynamic forces are smaller than the forces inside a launcher... that potatoe was damaged in the barrel, not the air. |
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| spudshot |
| Posted: 08/03/2005 14:58 PM Post subject: |
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Brigadier General
Joined: 03 Oct 2004
Posts: 1044
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| yuandrew, that seems like a load of crap to me, oxy and mapp would detonate a 6" PVC chamber, if it is metal i can understand though |
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| boilingleadbath |
| Posted: 08/03/2005 14:58 PM Post subject: |
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Joined: 12 Mar 2005
Posts: 1647
5491.22 Spud Bux
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The aerodynamic forces are smaller than the forces inside a launcher... that potatoe was damaged in the barrel, not the air.
It does result in slightly higher velocities, so if you want to, you can use it. You'll still spend many times more on ammo than fuel. |
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