==HOW TO MESSAGE FROM THE MAKER== Thanks to all the positive responses - thought it was about time I gave a few more details... From looking at all the videos online it seems the US has a completely different type of plumbing fittings to the UK. All the US guns are big but un-impressive. My gun is simply a P-trap (sits under a bathroom wash basin). - The internal trap bit is cut out to give a nice combustion chamber. - An end cap is placed on the side outlet (I found a nice one with a bayonet fitting which makes for easy access - available at B&Q - this isn't on the one in the video so you see me opening the bottom of the trap to spray the propellant in). In the early models this end cap would often pop-off into your hand as the gun was fired so we had to superglue it into place. - A normal piece of plastic waste pipe is then attached to the top of the trap (experiment with length - different effects). - The igniter was the hard part - BBQ Igniters aren't easy to find in UK stores so we started with disposable lighters but depending on the model they're very hard to wire up. The coolest thing we found was a battery powered igniter for £1.99 from Morrissons (look in the kitchen section). - To make the spark gap we mounted two strong pieces of wire with plastic outers taken from some coaxial cable (used for TV arieals). Thes were fed in through the strong platic top part of the trap (didn't want to risk weakening the main chamber walls). The ends of the wires were bared and ...
Tuesday, August 14, 2012
Spud Gun Cannon - version 1
Spud Gun Cannon - version 1 Tube. Duration : 0.42 Mins.
==HOW TO MESSAGE FROM THE MAKER== Thanks to all the positive responses - thought it was about time I gave a few more details... From looking at all the videos online it seems the US has a completely different type of plumbing fittings to the UK. All the US guns are big but un-impressive. My gun is simply a P-trap (sits under a bathroom wash basin). - The internal trap bit is cut out to give a nice combustion chamber. - An end cap is placed on the side outlet (I found a nice one with a bayonet fitting which makes for easy access - available at B&Q - this isn't on the one in the video so you see me opening the bottom of the trap to spray the propellant in). In the early models this end cap would often pop-off into your hand as the gun was fired so we had to superglue it into place. - A normal piece of plastic waste pipe is then attached to the top of the trap (experiment with length - different effects). - The igniter was the hard part - BBQ Igniters aren't easy to find in UK stores so we started with disposable lighters but depending on the model they're very hard to wire up. The coolest thing we found was a battery powered igniter for £1.99 from Morrissons (look in the kitchen section). - To make the spark gap we mounted two strong pieces of wire with plastic outers taken from some coaxial cable (used for TV arieals). Thes were fed in through the strong platic top part of the trap (didn't want to risk weakening the main chamber walls). The ends of the wires were bared and ...
==HOW TO MESSAGE FROM THE MAKER== Thanks to all the positive responses - thought it was about time I gave a few more details... From looking at all the videos online it seems the US has a completely different type of plumbing fittings to the UK. All the US guns are big but un-impressive. My gun is simply a P-trap (sits under a bathroom wash basin). - The internal trap bit is cut out to give a nice combustion chamber. - An end cap is placed on the side outlet (I found a nice one with a bayonet fitting which makes for easy access - available at B&Q - this isn't on the one in the video so you see me opening the bottom of the trap to spray the propellant in). In the early models this end cap would often pop-off into your hand as the gun was fired so we had to superglue it into place. - A normal piece of plastic waste pipe is then attached to the top of the trap (experiment with length - different effects). - The igniter was the hard part - BBQ Igniters aren't easy to find in UK stores so we started with disposable lighters but depending on the model they're very hard to wire up. The coolest thing we found was a battery powered igniter for £1.99 from Morrissons (look in the kitchen section). - To make the spark gap we mounted two strong pieces of wire with plastic outers taken from some coaxial cable (used for TV arieals). Thes were fed in through the strong platic top part of the trap (didn't want to risk weakening the main chamber walls). The ends of the wires were bared and ...
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