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Magazine springs

Post about things you have launched or thought about launching. Also post about various materials used for building cannons. No posts about explosive projectiles!
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Magazine springs

Unread postAuthor: Lockednloaded » Sun Apr 03, 2011 10:11 pm

I need a spring for a PB magazine that is very very weak, but still has an OD close to .68. I've seen that as OD goes up this high, springs become far too strong. I suppose I could make my own with some music wire, but I have no idea how. Any ideas or sources for weaker springs?
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Unread postAuthor: Crna Legija » Sun Apr 03, 2011 10:29 pm

i made a spring for my semi(coming soon) with ordinary wire(0.7mm) and a pipe in a drill, just spin and move your hand slowly forward, its very week but still can push 30 marbles.
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Unread postAuthor: JDP12 » Sun Apr 03, 2011 10:38 pm

I've heard heating music wire, forming it, and then cooling it works extremely well.
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Unread postAuthor: JDP12 » Sun Apr 03, 2011 10:38 pm

dammit... SF posted my post twice... mod please delete.
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Re: Magazine springs

Unread postAuthor: jackssmirkingrevenge » Sun Apr 03, 2011 10:48 pm

Lockednloaded wrote:I suppose I could make my own with some music wire, but I have no idea how. I suppose I will check outthis link and find out ;)
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Unread postAuthor: Lockednloaded » Sun Apr 03, 2011 11:02 pm

thanks for the tips, I'm going to be going with .026" Dia wire.

If I have to heat the wire to form it, how hot will it need to be; glowing red, or just hot to the touch? I have a small butane torch I suppose I could use
:EDIT:
just figured out the springs are to be heated post-coiling, that makes things much simpler
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Last edited by Lockednloaded on Sun Apr 03, 2011 11:04 pm, edited 1 time in total.
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Unread postAuthor: JDP12 » Sun Apr 03, 2011 11:04 pm

awesome link, thanks for that!
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Unread postAuthor: irisher » Sun Apr 03, 2011 11:05 pm

You might try ACE, in my area they have a decent spring selection that have been suitable for creating my magazines.
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Unread postAuthor: ramses » Mon Apr 04, 2011 4:33 pm

from a physics standpoint, the larger the diameter of the coils, the weaker the spring.
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