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Not sure if this is the right board, but where do I shop for all my /diy/ needs? Specifically, small springs. The local place closed down several years ago and my weak googlefu wants me to buy in bulk.
I'm looking to replace the spring in picrelated with something weaker (it injects too fast as is). Alternatively, I want to make a variable speed autoinjection device, but I don't know where to start. The only one on the market I know of is the LISA, and it's too expensive for me on top of not being compatible with my syringes.
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>>941850
you can make your own custom springs with music wire
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Make a spring cylinder that has adjustable volume.
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>>941850
>Specifically, small springs.
In my experience, this is the hardest kind of thing to find. It's the perfect storm of "good fucking luck" factors: There's no standard, the equipment used to make them is specialized, and they're almost always made-to-order.
Honestly, the "buy some music wire and make your own" tends not to be that bad a suggestion. I keep a couple spools for this purpose, although I keep finding the stuff extremely useful for things here and there, too. The only other practical option is to poke around for spring kits and hope there's one in there that will work.
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