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 Post subject: "Sink effect" meaning
PostPosted: 09 Jan 2018, 11:12 
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I've heard this phrase a few times, always in the context of SP rubbers. I don't know what it means, and in SP reviews people just seem to take it for granted that everyone knows the definition of this phrase. If someone could tell me what it means, that would be helpful, ty.

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PostPosted: 09 Jan 2018, 19:53 
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drewandmalone wrote:
I've heard this phrase a few times, always in the context of SP rubbers. I don't know what it means, and in SP reviews people just seem to take it for granted that everyone knows the definition of this phrase. If someone could tell me what it means, that would be helpful, ty.
cmiiw, please.

I take it as the same effect when you spike a balloon flat straight forward, it stopped by air drag and drop to the table.

I don't think it feasible with current 40 mm ball, but quite apparent with 44 mm ball.

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PostPosted: 10 Jan 2018, 01:05 
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Sounds right to me, ty!

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PostPosted: 10 Jan 2018, 15:48 
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Why don't you give some examples of sentences that contain the words "sink effect"? Maybe we can figure it out by context. It might just another thing like "dwell time" or "flex", which are just two of the very many very vaguely defined terms used by table tennis equipment mavens which mean different things depending on who is saying it.

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PostPosted: 10 Jan 2018, 15:57 
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With certain rubbers -- mostly thinner-sponged short pips -- when you flat-hit a ball in a low, fast path towards your opponent, sink causes it to unexpectedly and suddenly drop downwards, contacting the table sooner than expected. Think downward wind shear and the effect it has on an airplane. Sink can be very effective, especially when the opponent thinks the ball is going long but sink causes to unexpectedly drop and contact the table. Most SPs don't produce sink. I'm not sure I've seen obvious sink in the 40+ ball era. 563 1.2mm and TSP Spectol both produced significant sink with the 40mm celluloid ball.

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PostPosted: 11 Jan 2018, 00:00 
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nathanso wrote:
With certain rubbers -- mostly thinner-sponged short pips -- when you flat-hit a ball in a low, fast path towards your opponent, sink causes it to unexpectedly and suddenly drop downwards, contacting the table sooner than expected. Think downward wind shear and the effect it has on an airplane. Sink can be very effective, especially when the opponent thinks the ball is going long but sink causes to unexpectedly drop and contact the table. Most SPs don't produce sink. I'm not sure I've seen obvious sink in the 40+ ball era. 563 1.2mm and TSP Spectol both produced significant sink with the 40mm celluloid ball.


I agree with this description exactly...the wind shear analogy.

Except, I think I still experience it when playing with and against SPs...just less so and usually only with classic SPs. The new ones are too fast and tensor-ish.

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