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04-10-2012, 03:56 AM #256
04-10-2012, 04:42 AM #257
If he wants something stiffer than BS9 (which was indeed true) then how does that translate into wanting something head heavier than the SW35, which he never used
I have not gotten the chance to try the LYD since it's not available here yet, but I believe the differences would be that the LYD will swing faster from the BS shape and be less head heavy. So it'll be less powerful but quicker than the SW35.
04-10-2012, 04:45 AM #258
LYD did use te SW35 several times... For example te WC2010 he played there with the SW35
04-10-2012, 04:49 AM #259
Good point, but the BS LYD should still be faster, less head heavy, and less powerful than the SW35 which is what you actually need to know, isn't it?
04-10-2012, 04:54 AM #260
04-10-2012, 11:19 AM #261
Smash speed is governed by momentum: speed*mass. If you decrease the mass, you'll have to increase the speed by at least the same amount (and vice versa).
edit:// assuming that stiffness remains the same
Last edited by SolsticeOfLight; 04-10-2012 at 11:20 AM. Reason: clarification
04-11-2012, 01:41 AM #262
04-11-2012, 05:41 AM #263
Because of the law of conservation of energy and scientific concepts such as momentum and maths. Note you have to use SI units to make the formula work, and that you have to be careful calculating mass and speed because you're working around a pivot, but I thought to keep it relatively simple.
For further reading: http://en.wikipedia.org/wiki/Momentum
Last edited by SolsticeOfLight; 04-11-2012 at 05:42 AM. Reason: spelling
04-11-2012, 06:01 AM #264
Lol "scientific concepts such as momentum and maths" okay.
04-11-2012, 06:44 AM #265
He's actually not wrong though. When two bodies make contact, there's a transfer of kinetic impulse - depending on the properties of the bodies, it's a soft or hard impact, which affects how much of the impulse is transferred - real processes are all a mix of those two, and badminton is particularly complex because of the flexible strings&shaft and the fact that you hold the racket rather than throwing it, so you can actually transfer more momentum than that of the racket by hitting/swinging through (the reason your grip should be tight when making contact).
Anyhow, that discussion has been started at least 5 times in different places of this forum, so let's not discuss it any further here - if you're interested in this topic, find the thread
To wrap it up: to get the same power with a lighter/head lighter racket (as with a heavier one), you need to swing it quicker and adjust the swing style/technique.
04-11-2012, 01:32 PM #266
Ok ok, ignore my posts. It's been a long time since I took physics so I guess I just don't remember it that well My apologies Solstice.
04-11-2012, 02:38 PM #267
No need to apologize - it's right to be sceptical. That way you won't easily believe some of the less scientific statements around here [my favorite: adding weight to the handle makes a racket quicker ]
04-11-2012, 04:41 PM #268
Pictures and BP
Some pictures here:
First thing: On the both sides of the frame aren't any bright colours as it was shown before on a wallpaper or on some pictures by some resellers. Lucky for me, because I like it that gold-grey stripes
As you can see. The head IS smaller then Arcsaber10 and N55's head.
But it is strangely not (much) smaller than the head of my SW37.
The quality around the cone doesn't look like a high end product Maybe it is really made in China? Where is it stated again? someone have mentioned it before.
There are clearly spaces visible there. Not really of matter but it would explain its cheaper price (from start on)
Some further facts:
BS LYD 3U, strung with 10,5kg, VS850, still with original grip on the wood.
BP with the first overgrip (Victor 06, white, 0,60mm, gripped by seller; overlap: 35%): 295mm ~ 296mm
BP without any overgrip(s): 308mm (!)
BP with new overgrip (Wilson Pro Perforated Overgrip, white, 0,60mm,; overlap: ~50%): ~ 298mm
The same thing with my Arcsaber10. With a new overgrip it has a BP of 302mm now!!!
Is it maybe sweat which matters that much?
Another question: Is it possible that BP isn't the factor for measuring the head heaviness?
Because, when I hold BS LYD, it's still head heavier than Arcsaber10. Not by much, but slightly and noticable more.
Finally I'm at home during the weeks. That means I'll have more time to use my BS LYD from now on
Last edited by Accordaz; 04-11-2012 at 04:44 PM.
04-11-2012, 04:45 PM #269
did you measure it with string on it or pure dry weight (without string and factory grip intact)?
04-11-2012, 04:46 PM #270
04-11-2012, 06:40 PM #271
04-11-2012, 06:53 PM #272
If you have two rackets with the same BP but one carries most of its weight at 12 o'clock, it will feel heavier than the other that carries its weight evenly distributed.
Perhaps it's the overall weight of the racket? Even within a particular 'U', there's still 5 grams difference possible. Even if the balance point were then the same, the heavier racket would feel head-heavier.
Last edited by SolsticeOfLight; 04-11-2012 at 06:53 PM. Reason: layout
By ggman8988 in forum Buy & Sell - Read the rules sticky before you postReplies: 0: 10-13-2011, 01:18 AM