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In Reply to: RE: I think you are using the first inch on the ruler. nt posted by Norm on June 22, 2012 at 19:26:53
The best isolation/vibration control device I've found is a lawn mower or other small, rubber tired machine innertube partially inflated topped by a maple cutting board. It CAN be leveled with some care.
You'll have to trust me on this, buggy cords are light years ahead of inner tubes.
Now were you to have a tapered bungee cord that might be interesting. I always wished someone made a tapered spring with wire that went from very thin to very thick.
I think you mean different spring rates. Resonant frequency is a characteristic of the system, not the spring, and is a function of the spring rate.
What's the difference whether the spring is tapered or the wire is tapered? And what advantage do you think either one would have over a conventional spring?
Why would you want to vary the spring rate of the spring or the resonant frequency (of the system)? Wouldn't you want the lowest possible spring rate for a given load, thus the lowest resonant frequency? The characteristic of the spring is its spring rate, whereas resonant frequency, a function of the total spring rate of all the springs and the mass, is a system characteristic.
That is why I love the StillPoints Ultra Fives and the Neuance shelves.
You will always get some low frequency vibrations making their way up through the isolator no matter how hard you try. Nothing is perfect.
I take it you mean bungee cords. Please explain...
Suspension via one or more bungee cords. One is obviously best.
Why did you have to mention cords? Now I have a brain itch. The only way for me to scratch it is buy all sorts of bungee cords and experiment. I won't eat nor sleep; I'll forget about my girlfriend, Dr. appointments, my mail will pile up. All this because you said bungee cord. But in the end even if bungee cords don't work for me my girlfriend can use them to strap me down when I hear of the next big tweak.
...tell me, or show me, more please. I'm already mapleblock and raquetballed throughout. I'd need something new to obsess on. ;-)
See ya. Dave
Well, you'd have to think about how many bungee cords per component you want to use, what their spring rates would need to be per component (weight), how to attach the bungee cords to the component and how to anchor the other ends of the bungee cords. You can use the maple blocks for cutting boards and the racket balls for playing racketball.
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