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Copperhead Prime

Built a pneumatic 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: Hotwired » Wed Jan 31, 2007 4:51 am

I had to use the wrench to loosen the barrel compression fitting when I loaded it for the first time that day.

It was tightened up more than usual because I had to travel with it in a rucksack along with a track pump on a bike to meet a friend of mine with a decent camera.

But in normal use you don't need any tools.

Petrie the QEV was under £10 and none of the joints were soldered, I used a special glue called JustForCopper which can make joins on solder fittings rated to 500psi.
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Unread postAuthor: zeigs spud » Wed Jan 31, 2007 6:31 am

wow very nice!!!! and clean!!! whts the psi? i must of missed it.

but it is great also becuase it is the best four letter word known to man,


FREE!! (for you, not the guy who payed for it lol)

you should pu it up to it's max psi witha Loooooooong barrel and see how acurate and we it does!! safely that is
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Unread postAuthor: Hotwired » Wed Jan 31, 2007 6:52 am

It goes to 160psi because thats how far the pressure guage on the track pump goes but if I could I'd take it to 200.

The C:B ratio is a huge overkill at over 2.6:1 and I'd like to see what it could do with a 3m barrel (longest length the pipe comes in). Definitely need a bipod somewhere along it :wink:
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Unread postAuthor: joannaardway » Wed Jan 31, 2007 7:16 am

If you want to try something longer for the barrel, 150 cm should be nicely managable.
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Unread postAuthor: maz oner » Wed Jan 31, 2007 7:58 am

is that glue common or did u need to go plumbing place because in australia there is much more limited product or atleast if u want to find somthing good u needa go specialist which is usoaly bit more pricey
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Unread postAuthor: Hotwired » Wed Jan 31, 2007 10:45 am

In the UK it can be found in the copper plumbing section of all the large DIY stores I've been to.

I can't really say for Australia.
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Unread postAuthor: killagorrila99 » Sat Feb 03, 2007 9:48 pm

ProfessorAmadeus wrote:I love you... Really this is amazing! You are an awesome master with potato guns.

Damb Loverly.


grr! you stole my thing!
GRRRRR YOU STOLE MY OTHER THING! It's copyrighted.
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Unread postAuthor: Hotwired » Mon Feb 05, 2007 8:21 pm

Hey hey I don't mind, you can tell me the same thing again I won't complain :D
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Unread postAuthor: chaos » Sat Feb 10, 2007 11:46 pm

maz oner wrote:is that glue common or did u need to go plumbing place because in australia there is much more limited product or atleast if u want to find somthing good u needa go specialist which is usoaly bit more pricey


maz oner, do you have a bunnings or reece shourly they would have it.
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Unread postAuthor: Killjoy » Sun Feb 11, 2007 1:32 am

im pretty sure you can order it off the internet if you can't find it at the hardware store.
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Unread postAuthor: maz oner » Sun Feb 11, 2007 4:19 am

Yeah I get every thing from Bunnings except copper piping so i havnt really looked at the copper/brass section much, will have a look though...
peace

maz
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Unread postAuthor: spit_spud » Tue Feb 13, 2007 7:41 am

truly indeed, i love copper guns, i like you handle id you just build it or bought it?
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Unread postAuthor: Hotwired » Tue Feb 13, 2007 8:38 am

I moulded it by hand from polymorph granules softened in hot water.

When its soft its like a rubbery putty, when its hard its like solid nylon.

It took about an hour and lots of boiling water but it was worth it :D

Heres a link to the place mine was from: http://www.mutr.co.uk/prodDetail.aspx?prodID=576
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Unread postAuthor: Matheusilla » Tue Feb 13, 2007 8:41 pm

OMG... Very, very nice work. I probably would not have been able to do better myself. It means alot for me to be saying that (I'm a crabby designer\inventer type, working through a D.E.P. in machining). Great gun. I'm sure that you know that all of us would love to own one ;)
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Unread postAuthor: chaos » Wed Feb 21, 2007 3:14 pm

I love this gun, this along with the reaper rifle inspired me to build the S.S.R.

peace
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