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Senior Member
Sweet Spot ( ): (stringbed) , , , . (3) sweetspots ( ) , , (Center of Percussion COP). , .
, ( , . , ), sweetspots :
1. (Nodal Point Node): (vibration)
2. (Center of Percussion COP): (shock) , . sweet spot .
3. (Maximum Coefficient of Restitution), , .
sweetspot: sweetspot , , , , , , .. ( sweetspot), , , . , , sweetspot, . , ( ).
sweetspot (. : ). , , , . , ( , , sweetspot) , , , sweetspot, . , , , , .
Plow Through ( ): ( ), . , o plowthrough , . , plowthrough . , plowthrough, - .
, ( ) , ( tennis elbow)...
( Beam Width / Stiffness & Flexibility of racquet frame / & ) ( ). .
Stiffness & Flexibility of racquet frame ( & ): () , Racquet Diagnostic Center (RDC machine). stiffness / flexibility ratings (RA). , . 55-72 RA. , stiffness 61-66 RA.
, , , , (. ) . , .
- . . stiffness rating . RA 67, (spin friendly). , , (tennis elbow, ..) . (67+ RA), .
, stiffness (60- RA), , , . (feel & control) .
RA stiffness (61-66) , .
(RA) 2 6 ( , ), . (RA), . ( stiffness RA), .
(RA 60) , , , . stiffness. marketing. , , , !
, .
: RDC machine , stiffness . (matching) , . - - , 4 RA, (.: ).
, , tapered beams ( ) , stiffness (RA) RA rating, (shaft). , , . , , . , ( 10-2 12) stiffness (RA) Racquet Diagnostic Center, (. ) .
flexibility / stiffness ratings (RA) ( ) ( , ), stiffness .
stiffness (RA) Racquet Diagnostic Center VIDEO ( 2:50 min).
Simplicius : 02-10-21 20:25
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