Sorry if this should be in another section:
So my son is getting into Air Soft guns. He wants to increase the spring rate that does the work of shooting.
Can I take the spring to our local Tru Value and look for a spring of the same diameter and length but fewer coils or maybe same everything but a thicker winding?
This will be a learning experience for us!
i dont see why not. I dont know how well it would work but when bored in class i would take my pens apart and stretch the spring out so that you could get it to 'jump higher' when launching it from the desk. It may be worth trying to stretch the spring
That's a thought.
I was wondering about snipping off the last coil and stretching it to the same length as original.
With the sub $30 airsoft guns, stretching the spring worked very well. I imagine it would do the same with nicer ones but anything over $30 I went CO2 instead.
If you don't run into coil bind, just cut it and add a spacer (don't stretch it). Cutting a coil off increases the spring rate. Stretching it will make the spring wear out much faster (permanently deforming it to stretch it will allow it to sag more readily).
What is happening with this board, where are the calls for adding an electromagnetic rail system? Must be election day.
Without seeing the mechanism it's hard to say for sure, but higher spring rate alone probably isn't really what you're after. You likely want a higher force at a given spring height. If coil bind isn't an issue, don't cut it and try just adding a spacer. That will increase your force at the working height and your spring rate would still be the same.
Hmmmmmm, the spacer idea intrigues me.
These are his first guns so we're buying the lower-prices ones until we know he'll stick with it. You learn that quickly as a parent!
pinchvalve wrote: What is happening with this board, where are the calls for adding an electromagnetic rail system? Must be election day.
I know what I'm doing over Christmas now.
One end of the spring sits in a pocket about 1 1/4" deep so I'll cut a piece of dowel or similar object maybe 1/3" long and drop it in and reassemble it and see what happens.
In reply to Keith Tanner:
You can make some interesting things go flying with a coil out of a solenoid...
For alternate springs, try McMaster. The options for common OD and length will give you plenty of options.
I can already see this happening: new spring improves velocity and accuracy. What's next? I'll end up making so many improvements it'll be unrecognizable and end up killing the squirrels in my yard!
ebonyandivory wrote: I can already see this happening: new spring improves velocity and accuracy. What's next? I'll end up making so many improvements it'll be unrecognizable and end up killing the squirrels in my yard!
You say this like its a bad thing....
Just like a car adding a spacer adds pre load but the rate stays the same. Less coils or thicker wire increases the rate but with less coils you'll need a spacer to mark that room up to be at same pre load or more. here a good site for calculating. the spring store
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