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  1. #1
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956

    Tennis Racquet Customization - /



    , , , .

    , (!!!), , . , , , , , .

    - ;
    , ! . setup . , , ! , ! , ( ), - .


    , ( ) - - ! (demo), . , , . , , , .

    - , . . ; - , , , ܻ;

    . , , ( , , .) . 100% , , . , . - .. ; - ( , ) , . , .

    , . .

    , ,
    ( , , , , ..).

    - customization;
    , , , ܻ . , , , . . ( ) , , swing weight, twist weight, (stiffness) ..

    , customization ( , swingweight, .) (even) , , , .

    ( ) , , 300 ., swingweight 310 +/-3 points HH/HL, , .

    , , ( Pro Stock) swingweight!

    , ( ) ( ).


    !
    , , , , , . , , (tennis elbow. )! 20 , (!!!), , ܻ!

    , (. ) online ( links) ( / balance swingweight!!!). ! ...
    Simplicius : 19-05-18 09:59

  2. #2
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    SOS
    - , , .

    ( , ), (baseliner, all-around, serve & volley ).


    Balance (): () , , . (cm) (points), 1/8 , 0,3175 . , 68,6 (. 27 ), 33 . , 68,6 / 2 = 34,3 ., 1,3 ( / Head Light) 1,3 / 0,3175 . = 4HL (4 points Head Light). 35,6 . (Head Heavy) : 34,3 . ( ) 35,6 . = -1,3 / 0,3175 . = 4 (4 points Head Heavy).

    , (Head Light) , (even) (Head Heavy), ( ) , . swingweight ( ), ޻ .

    , sweetspot ( ) . , . flat , ( ) (6 points HL ) sweetspot . , baseliners , stringbed ( ), (5 points HL ) sweetspot . All-around (5-6HL).


    Static Weight ( ): Static weight ( weight) , , (gram) (oz). 1 oz = 28,35 .
    : , ( : Based on unstrung racquet).
    , , 17 , 6 overgrip 3 dampener.

    , , :

    270 300 : . (head heavy) (even) (stiffness) . , ( ), ( ) .

    301 325 : . (control), .

    326 350 : . , (head light) , (flex) , . , ( / fast and long swing).

    : , . ; , ; ܻ , , .

    ( ) . , ܻ (. ) . tennis elbow!

    , . 500 , , . () ( , ) - - .
    Simplicius : 19-05-18 10:01

  3. #3
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    Swing Weight ( ), Moment of Inertia: , . swingweight ( ) ( twistweight) .

    ޻ , , (. ). , , swingweight , , , swingweight.

    , swingweight (.. 350 ., swingweight 330), , swingweight (. 270 ., swingweight 300), .

    swingweight, 300 , 300-325 325-350 . 350 . swingweight , tennis elbow.

    swingweight 370-380 , . ATP Tour polarized setups ( ), ( ) swingweight.

    swingweight ( , ) ( , bumper guards, , ..). , , , . swingweight, , , . , (head light), , swingweight.

    swingweight , . , swingweight, , . . swingweight , swingweight, , , . , swingweight , , (long swing). . . swingweight, .

    swingweight , 10 . , . (butt cap) swingweight . swingweight .

    : , , ...

    : swingweight Online .


    Twist Weight ( ), Polar Moment of Inertia: twistweight (.. )
    . ( , swingweight) twistweight, .

    twistweight . , , .

    , twistweight , . , twistweight, 12 11 …

    , twistweight (-, .. ). , .

    = = – - , tennis elbow!

    twist weight () 3 9 ( 10-2 8-4), ( overgrip), . .

    ( ) twistweight, , .

    , twistweight 12.50 14.50 - 50% - 50% 12.50 ( , ), 14.50 ( ). , twistweight , twistweight, flat. , twist weight , . , , , twist weight 12.00 12.50.

    ( ) twistweight , , ( swingweight) !

    , twistweight 2 ( 11 13) , 21 swingweight 18 . . ( ) swingweight, twistweight …

    To twist weight swing weight, , , . , , , , ...

    Twistweights Database

    T.W. twist weights .

    , ,
    Tennis Racquet Power Comparison
    ( 9-3) twistweight . twistweight .
    Simplicius : 05-01-15 15:30

  4. #4
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    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 : 17-08-15 10:54

  5. #5
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    Beam Width Flat or Tapered ( ): ( ) (mm). (flat beam), (. 23mm) (tapered beam), (shaft), (beam) (tip), (. 23mm / 25mm / 24mm). flat beams ( 20 ), (20-24 .) (25 . ).

    (), , . , (. tennis elbow).

    tapered beams, (. beam), , stiffness ( ) (shaft).

    , twist weight ( ), , .

    , , - , , , , .

    , (spin window), , (frame) ..



    &

    , , . , , .

    (lead tape) - ( ) . , , 12 , 3 9, - , . , , . 9 3 10 2. , , .

    , sweetspot , . , , ( 12) . , , swingweight .

    : (. ) . ( sweetspot) . ( 12), 9 3, .

    12: ( 12), , plow through swingweight , . , . baseliners, . (head heavy) swingweight, . swingweight, .

    10-2: 10 2, 12, . , ( , 9-3).

    9-3: 9-3 (. ), , ޻ ( twistweight). , . , volley, . ( ), flat (), . , plow through swingweight , , 12, .

    : 9-3, ( 12 11-1). , , (. , , , ) , . .

    8-4: . , , 9-3 6.

    6, (shaft): , , (, swingweight, .) . , , , sweetspot. , .

    (butt cap) grip: , , . ( butt cap) ( grip) (swingweight) . , (head heavy) , (head light).



    Polarized & depolarized setups ( ): , . ޻ (polarized setup) , 12 , ޻ (depolarized setup), ( 9-3 , 6, .).

    polarized setup, , . ( +/- even), ( , ), swingweight (. 320 . / 335 swingweight) , , ( ), ( ).

    depolarized setup, all-around , , , (flat) . (5+ points head light) , swingweight (. 350 . / 335 swingweight), ( ), , twistweight.
    Simplicius : 08-11-15 21:18

  6. #6
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956


    , . , Tennis Racquet Customization and Reverse Engineering Tool link , ONLINE .

    ( ) !

    Twistweight / Twistweight:
    (twistweight) , .

    - 6 . (, . 3+3 .) 9-3, twistweight 1 .

    - , 3 . 0,5 , 12 . 2 .

    Swingweight / Swingweight:
    swingweight :

    swingweight , :

    - 12 = x 3,5

    . swingweight 300, 10 . 12 swingweight : 10 ( ) x 3.5 = 35 300 = 335 swingweight.

    - 10:30-1:30 = x 2,625

    - 9-3 = x 1,75

    - swingweight .


    / :
    ( ):

    - , ( 12).

    - , 9-3.

    - , 10-2 0,75 (. 8 . 10-2, 6 . ).

    - ( ) .



    . , , .

    Lead / Tungsten Tape ( )
    lead tape. . (1/2) (1/4) , 12 6 . 2,5 (. 1 ) 1/2 0,5 , 1/4 0,25 . , (grommets) . , ( ).

    () lead tape , . , . , . , - - , , (lead), , , , . , guard saver tape ... , , .

    tungsten (. ). (1/4) . , . tungsten tapes , , .

    , . , , (butt cap), , , ( , ) . , , .


    , , , , ( ) ( !). ( butt cap) . ( !!!! ) !

    ( ) , :
    2 euro coin - diameter (mm): 25.75 - weight (g): 8.5
    1 euro coin - diameter (mm): 23.25 - weight (g): 7.5
    0.50 euro coin - diameter (mm): 24.25 - weight (g): 7.8
    0.20 euro coin - diameter (mm): 22.25 - weight (g): 5.7
    0.10 euro coin - diameter (mm): 19.75 - weight (g): 4.1
    0.05 euro coin - diameter (mm): 21.25 - weight (g): 3.9
    0.02 euro coin - diameter (mm): 18.75 - weight (g): 3
    0.01 euro coin - diameter (mm): 16.25 - weight (g): 2.3

    ( ) dampeners (), .
    , . , lead tape ( ), .
    Simplicius : 11-11-15 15:40

  7. #7
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    ONLINE CUSTOMIZATION


    Tennis Racquet Customization and Reverse Engineering Tool
    Reverse Engineering Tool ( link ), , what-if, , .


    Tennis Racquet Customization
    , .


    Tennis Racquet Swingweight Calculator
    swingweight ( ).


    Tennis Racquet Swingweight Machine
    ( link ), 10, Swingweight Calculator, . , , , .


    Online Stopwatch - Chronometer

    ( swingweight), , .



    oz () gram ()



    inches () cm ()

    1 Balance Point = 0,3175 , . 3,175

    , ...

    Racquet Finder

    Racquet Finder , . , .





    . , . , , .

    , . , , , .

    , URL (. ) http://translate.google.com/ .


    Tennis Warehouse: Customizing Racquet Weight & Balance


    Tennis Warehouse: Racquet & String Terms
    ( )


    Tennis Warehouse University
    (Tennis Science Articles)


    Tennis Express
    (The Science behind Tennis)


    Tennis Racquet Specs and Power Potential


    Racquet Performance and Choosing the Right Racquet
    (Sweet Spot, Moment, Torque, Torsion, Shock, etc)


    How to Choose the Best Tennis Racquet


    Racquet Choice and Effects on Tennis Elbow


    Tuning your Racquet
    (Swing weight, balance, lead tape adjustments, polarized/ depolarized setups)


    How to set your racquet up like an ATP pro
    (Polarized & Depolarized Setups)


    The Official Lead Tape Placement & Racket Customization Thread

    (Polarized & Depolarized Setups)


    Tennis Warehouse Blog: customization
    (A story of tail-weighting a racquet)


    How to Choose the Best Tennis Racquet for Control and Power


    How Impact Location and Twistweight Affect Spin


    RacquetTECH.com - The Physics and Technology of Tennis Learning Center
    (Racquet Power - Customization: Customizing Weight, Balance, and Swingweight)
    ()





    , , (Wilmot H. McCutchen, Rod Cross, Howard Brody, ..), . , .

    , (Physics) , (.. - - , . 58 ., (!!!), . 600+ ., , .

    , , . . , . , . - , ܻ.

    , , .

    :

    Racquet Sports Industry Magazine > Science

    Racquet Research

    Rod Cross Home Page


    :

    - The Physics and Technology of Tennis (2004), Howard Brody, Rod Cross, Crawford Lindsey

    - Technical Tennis: Racquets, Strings, Balls, Courts, Spin, and Bounce (2005), Rod Cross





    , , , , , , ...

    , . , .

    customization . ! , , ... ! !


    Simplicius 2013 All rights reserved.

    : simplicius92@yahoo.gr ()

    , , , , , link ().


    :

    8 2015: Beam Width Flat or Tapered ( ).
    Simplicius : 19-05-18 10:04

  8. #8
    Junior Member  avatar   thanasis68
    12-02-2011
    178
    ... . !
    ...

  9. #9
    Member  avatar   Simplicius
    19-02-2012
    Athens (Pikermi)
    956
    !
    thread customization,
    .
    !

  10. #10
    Junior Member
    19-10-2011
    Thessaloniki
    92
    !
    Babolat Pure Storm GTLtd 3.5 . 9 3 . .

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