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Ducky shine spring noises?

post #1 of 6
Thread Starter 
I just got my Ducky shine from Qtan (cherry reds with white light). After putting o-ring dampeners on the keys, half the keys are making an annoying 'ping' noise whenever I press, then release (it happens on release).

I can only imagine it being the springs inside the switch. Is this normal? Will it eventually go away or..... thinking.gif I've also done this with a Noppoo Choc mini, and BWU and didn't have this problem.


edit: now this is strange.. I've played around with it a bit, and noticed that it only happens whenever the o-ring is on the key. If I remove the o-ring, the noise stops, put it back on, it returns.. How does a piece of rubber cause a metal ping noise?
Edited by Backfat - 1/23/12 at 2:20pm
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post #2 of 6
This happens on all the keys regardless if they are stabilized keys or not?
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post #3 of 6
Thread Starter 
Yep. It seemed like it happened on 75% of the keys i put o-rings on. It makes a very distinct metallic noise.. sort of creaking with a ping to it. I gave up and just removed all the o-rings and it sounds normal now. I kind of like how it feels more without them on anyways. I like the feel of longer travel (odd I know).
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post #4 of 6
This is called "ping".

I've heard of it but none of my six Filcos had it.

Edit: Actually my Filco Zero had it - ALPS Simplified Type 1 clicky switches though.
Edited by ripster - 1/24/12 at 7:05am
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post #5 of 6
I got a ducky shine with brown switches today.

i don't have any o-rings on, but if i put my ear about 3cm above a key and release it quickly, i can hear a faint ping. it's nothing i would ever notice, had i not been looking for it.

as for the ping only happening when the o-rings are on, well i have two ideas why that may be happening (both possibly wrong, as i'm not an expert):

1. the o-ring adds mass and inertia to the key, changing the dynamics of the system, which causes the resonant frequency of the system to shift. in this case, it could be moving from an in-audible frequency (no o-rings), to an audible one (with o-rings).

2. the o-ring stiffens the key, preventing it from flexing and dissipating energy (the energy which causes the ping) as quickly, which means the ping would be louder and longer than normal.

as for a solution to the ping problem, test different types of o-rings and see if you can find one that doesn't cause a ping.
post #6 of 6
Quite common on Mechanical Keyboards.

See Filco Ping thread above and this: The McRip Effect.
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