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Thread: Yonex Shuttlecock Speed Chart
09-19-2009, 06:43 AM #1
Yonex Shuttlecock Speed Chart
'The best shuttlecocks in the world!'.. Wow!
09-19-2009, 03:15 PM #2
Everybody on the forum, and every shuttle manufacturer knows that choice of shuttle is temperature dependant.
What confuses me with this ad. is that Yonex are using a 1 to 7 scale whereas most players/manufacturers relate to 76/77/78/79 or the 40's/50's speed scale. Why use another system to confuse people ???
09-19-2009, 06:46 PM #3
maybe yonex thinks a 1,2,3,4,5 system is easier to remember than 74-80, or 40 to 50
09-19-2009, 09:18 PM #4
isn't it the responsiblity of IBF to decide on this, or Yonex thinks they are important enough so that everyone will follow them?
09-19-2009, 10:47 PM #5
I think Yonex probably wants to have a numbering system for both feathers and plastics.
Anyway, the feathers numbering system used by Yonex may not be so accurate. For example I use Yonex AS-50 for testing/evaluation extensively for comparative purposes and I find their speed 2 is actually more suitable for a temperature of 25 degrees C, RH 50% and maybe a bit fast. The chart says differently and seems to be tailored to women or players who cannot hit well. I would rate the Yonex AS-50 as similar to speed 78.
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