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    Where can i buy aluminium/brass tubing for breeches in adelaide???

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    TheBradl3s
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    Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  TheBradl3s on Thu Jul 01, 2010 12:43 pm

    yeah.. title says it really, where can I buy some in Adelaide SA the sizes i need are:
    9/16inch - 14.28mm
    1/2inch - 12.7mm
    19/32inch - 15.08mm
    17/32inch - 13.49mm

    so yeah if anyone can help me that be great! cause i went to some hardware stores today and they didn't have
    anything I could use (bunnings, banner hardware) yeah yeah thanks

    - Bradles
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    ShootEmUp

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  ShootEmUp on Thu Jul 01, 2010 12:51 pm

    Brass is sold at toy and hobby stores.
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    TheBradl3s
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  TheBradl3s on Thu Jul 01, 2010 12:52 pm

    how much per meter?
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    ShootEmUp

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  ShootEmUp on Thu Jul 01, 2010 12:54 pm

    Its sold in 1 foot lengths, normally from 7 to 10 dollars
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    Hamish

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Hamish on Thu Jul 01, 2010 12:55 pm

    Dude theres already a thread for this.

    Check the 'Guide to Barrel Materials' thread.
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    TheBradl3s
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  TheBradl3s on Thu Jul 01, 2010 1:47 pm

    ah k didnt know there was thanks
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    Servulus
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Servulus on Sat Jul 24, 2010 1:00 pm

    Capral Aluminium at Wingfield is the best place to buy aluminium products in SA, they supply most of the hardware stores in Australia as well.
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    bulletproofvest

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  bulletproofvest on Sat Jul 24, 2010 6:01 pm

    I needed to know that too . dam that's expensive. would Copper do the trick?
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    Hamish

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Hamish on Sun Jul 25, 2010 2:25 am

    Copper is to small and to big and to bendy. Hobby Habit sells brass the have stores in Melrose park and Blair Athol.

    -Hamish

    Oh and Bunnings sells 16mm Aluminium for 13mm stefans.
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    chrisb
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 3:18 am

    $7-$10 per foot is expensive
    Does anyone on the forum buy in bulk, cut it up and deliver it?
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    chrisb
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 5:22 am

    Is there a market for it in the nerf community?
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    Servulus
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Servulus on Mon Jul 26, 2010 5:36 am

    every time that i have tried to change the diameter of the original barrel i have suffered a power loss, often it appears the darts are catching the sides of the new barrel and thus slowing down.
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Servulus on Mon Jul 26, 2010 6:13 am

    i am going to hold out till i get some brass tubes. i think that the thickness of the wall of the tub might be too great.
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Servulus on Mon Jul 26, 2010 6:26 am

    all the sizes your giving are for the 'OD' outside diameter. I would like to know the OD, and the wall thickness of each tube.

    if i could afford it i would take up the option of having a length extruded for me, then cut and sell it.

    As for purchasing, i used to go to a supplier here in adelaide for brass and copper, i may see if they are still in business and head there to get supplies (a lot cheaper than going to a hobby store)
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    chrisb
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 6:34 am

    Shouldn't it be measured by the internal diameter?
    In between those sizes is 35/64

    Has anyone tried using a sabot?
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    chrisb
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 6:50 am

    What about rifling?
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 7:16 am

    Very much so
    The good thing about brass it that its easy to join bits together
    I'm sure there are moders out their who will pay for a completed brass barrel
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    Biggles

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Biggles on Mon Jul 26, 2010 9:16 am

    phuonguyen wrote:Nowadays, high powered sniper rifles do not use riflings they use smooth bore barrels, that have been engineered and extruded.

    I'm going to have to call bull shit on that one. All rifles use rifled barrels, that's why their called rifles. The last smooth smooth bore weapon apart from the shot gun was pruduced around the 19th sentry. A notable exeption were several experimental weapons produced in the 20th century which fired fin stabilised flachetes. The only modern smooth bore weapons in use are modern tank guns which need to fire long fin stabilised rounds which use kinetic energy to penetrate modern lamited tank armour.

    Biggles
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 9:29 am

    arn't handguns also rifled to some degree?
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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  chrisb on Mon Jul 26, 2010 9:51 am

    not if parts of said rounds are brass tubing and therefore could be bought from adelaide...

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    Re: Where can i buy aluminium/brass tubing for breeches in adelaide???

    Post  Guest on Sun Jan 09, 2011 7:42 pm

    I make three apologies here: I apologise for nerco'ing, for being massively off-topic, and for making a stupidly long post. I also accept that this may score up to three strikes all at once on the OzNerf strike system. HOWEVER, there are some significant misconceptions/misunderstandings in this thread, and I hate letting errors stand as fact. Firstly, to address the last posts first, MOST modern sniper rifles and almost ALL precision arms use rifling.

    Especially the Cheytac Intervention, which a quick check would reveal, DOES have rifling. Most Cheytac rifles have between 1:10 and 1:13 twist barrels, which in layman's terms means that a bullet fired trhough the barrel will complete one 360 degree rotation per 10 inches to 13 inches travelled respectively.

    MOST handguns are also rifled - a sidearm deisgned for accuracy will have a rifled barrel, with the notable exception of the gyrojet systems.

    Rapid firing weapons, short range arms such as submachine guns often have less pronounced rifling, as accuracy is less important at close range (read 20-50 metres) but still have eneough to cause the bullet to spin.

    Onto the main purpose of this post, i.e. Education;

    The PURPOSE of rifling is to impart gyroscopic motion to a projectile. This acts as a stabilising force, which prevents the projectile from tumbling. Ever played with a gyroscope as a kid? Notice how you can balance them on lines and on end and they don't fall? Yeah, that effect. Common ballistics teminology would call it gyroscopic stabilization, which is the term I'll use from here on. When fired through an unrifled barrel, a normal spitzer (read conical) bullet will tumble, vastly increasing drag, which reduces range, and drastically decreasing accuracy. Gyroscopic stabilisation imparted from rifling prevents a bullet from tumbling in flight, which allows for both accuracy and distance.

    NERF guns do not have rifling. This is for a very simple reason, not because they would slow the dart down (which they would), or because they wouldn't make the dart spin fast enough (which they probably wouldn't), but because THEY DON'T NEED IT. The mechanism which stabilises a nerf dart, any dart for that matter, is NOT gyroscopic stabilisation, but the dart itself. Notice your darts have a weighted tip. Notice how we all increase the weight in our darts by adding BBs, sinkers or whatever? Weighted TIP. The TAIL of the dart is very light. What this means from what we understand of physics (ref. "Magnus Effect" for more detail) is that the tail of the dart is dragged along behind the head as the dart flies. The head forms the majority of the dart's mass required to sustain flight against air resistance, and the long tail of the dart experiences more drag along it's sides than the tip. This stabilises the dart, allowing it to fly straighter and further due to reduced drag when compared to a tumbling projectile.

    In short, Nerf guns don't have rifling to stabilise darts, because DARTS STABILISE THEMSELVES.

    SO this post is even remotely on topic, here are the places I buy supplies from.

    Orient Express, brass, copper, aluminium tube and rod (use the brass),
    2 King William Road, Unley (a few hundred metres from the city, right next to the Greenhill road tram stop)

    Hobby Habit, brass, copper, aluminium tube and rod (again get the brass)
    462 Main North Road (out north, in case you hadn't guessed)

    For those that apparently aren't in the adelaide area, or apparently have little means of leaving the house, Orient Express supposedly offers a worldwide mail service from their site.
    http://orientexpressmodels.com.au/index.htm
    I wouldn't know, I've never used it.

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