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In Reply to: RE: Science Behind Spikes for Racks? posted by aggielaw on May 17, 2017 at 09:33:21
Loading a tiny spot makes it seemingly 'immovable' so it is locked together.
The vibrations just go right through the spot. But maybe fewer in certain vectors.
If you wanted the same tightness of a joint in a nut and bolt.. Jeez. Plus the spiked thingy is actually easy to move, remove and move around, vs some super heavy duty solid system.
All the fancy BS about 'vibration' and 'draining' with points is all audiophile drivel. The real great thing about a point holding something up is it acts as if it weighed several tons at the point.. so that joint is not going to have any inherent vibration between the point and the surface it rests on.
IMO a combination of dampening and mass are the best to think about in a way to hold up stuff.
I use a few pointy thingies under the patio block my amp is on. And under the 80lb power conditioner on the floor.
For my rack I use cheap as dirt butyl rubber chemical bottle stoppers, size 10. $1,25 each. I own over a hundred of them. I use them EVERYWHERE.
But I am a cheapskate.
I agree with you, up to a point (if you will pardon my pun).
The floor or shelf will have vibrational nodes, just like any other object. If you can position the tiptoes supporting the item you want to isolate such that they are in contact with a point on the surface of the floor or shelf that does not move when the floor or shelf is excited by some other external force, then you can achieve the diodic effect claimed for tiptoe-like feet. The energy can drain into the floor or shelf, and very little energy wants to flow back up into the tiptoe.
You can find the nodes, sometimes, with a stethoscope.
To the OP, gravity has NOTHING to do with this.
"gravity has NOTHING to do with this. " Ya sure about that Lew? Please explain how this would work without gravity. I must say that the nothing in capitals gives this point of view gravitas, if you excuse the pun. Tweekie666
"The Borg is the ultimate user. They're unlike any threat your Federation has ever faced."
- Q, 2365
Perhaps my statement that gravity has nothing to do with "this" was an oversimplification. Gravity has everything to do with weight, of course. But I think the OP was asking whether the potential analogy of a tiptoe to a diode had to do with an effect of gravity on energy flow, as in the notion that gravity is somehow pulling energy down and preventing energy from moving up into the supported device. I may have misunderstood the OP's question about gravity, but my answer to that latter hypothesis is "no". Is that better?
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