It's funny that it became a discussion about the effect on the loop, because that wasn't really what I had in mind when making this thread. Not that I mind. It's fine but it was because I was searching for a blade with the same speed as my bt777 but easier to make spin with on serves. On loops I have no problem, Because it's a higher impact shot, so in that regard I get plenty of spin. I just Feel dissatisfied with the spin on serves. It was obviously easier to keep it shorter, lower and spinnier with cj8000, which is also fast enough near the table, if I add in a little more force. But at mid distance, in out of position shots and when I get tired in my arm during a rally, it's not fast enough. So overall I find FX-S to be more forgiving. So I was thinking: "hmm, what if change the blade to something with the same speed but easier spin on low impact? Does such blade exist". I didn't want to make another "I'm searching for new equipment" thread. And I was curious to hear if people would mention blades with harder outers for instance, because I'm aware that peoples styles and skills are differentWow. This thread is massive! I missed the fun completely I ignored the thread exactly because of its title. (Hell, why would I care about the fastest stuff on earth I thought).
May I say something in between the elephants (at least counting the volume of texts), knowing that I don’t actually know any science around this. (So I’ve got my disclaimer straight on )
The actual loop is not pure spin as we’d like to imagine it. And we all actually know this. If we make the ball spin a ton without “mashing” it at the same time it won’t ever go to the other side. The ball trajectory is not determined by spin alone. It’s the balance between spin and speed in relation. This is probably why nymose think the flex helps curve the ball up. In reality, if the wood is hard, and you have the same stroke, you probably add the “smashing” force relatively more than the “spining” force. You have more spin but even more “smash” so the ball stays quite flat. Same for the kick. It needs both “smashing” and “spin” to kick deep. Hence you feel like hard wood makes more spin (which is true) but also “flattens the curve”.
To me, after trying Viscaria, Victas ZX Gear In (innerforce ALC/ZLC Limba) and Yasaka Reinforce AC (innerforce ALC Koto), it feels like hard wood makes more spin but it’s so easy to over “smash” so your contact has to be very thin, but not too thin (precise). If I did it right, it’s like hell. It’s just too hard to do right. So the “dampening” effect that Carl says mostly impact that “smash” thing, especially at contact point. The blade just dampens the tiny extra smash you make when contacting a little too thick, giving room for you to spin more easily.
This very same fundamental applies to tacky non-bouncy hard rubber. I’ve seen quite a few measurements proving that Chinese rubbers are “craps” but somehow it helps the Chinese make more spin. Because at speed, it’s actually more forgiving. It dampens the incoming force. Naturally your body adjusts to that without knowing that you’re actually putting in more force (by a slightly longer swing for example, or a heavier push on the leg)
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