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อธิบายได้ชัดเจนเรื่อง Swing weight เปรียบเทียบกับ การซวิงฆ้อน โดยจับที่ด้ามแล้วซวิง กับจับที่หัวแล้วซวิง นาที 3.30 รวมทั้งความสัมพันธ์ระหว่าง Racket weight, Balance และ Swing weight

เว็บคำนวณ MgR/I
https://impactingtennis.com/education-tools/mgr-i/ (https://impactingtennis.com/education-tools/mgr-i/)

Swing Weight Calculator

http://twu.tennis-warehouse.com/learning_center/swingweight_calc.php (http://twu.tennis-warehouse.com/learning_center/swingweight_calc.php)

http://www.liquid12.nl/swcalc/index-en.php (http://www.liquid12.nl/swcalc/index-en.php)

https://impactingtennis.com/education-tools/swingweight/ (https://impactingtennis.com/education-tools/swingweight/)

Optimum Racquet Balance for Performance II - MgR/I Data for ATP Pros
https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/)

MgR/I
https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/ (https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/)

Optimum Balance Data for ATP Pros III
https://tt.tennis-warehouse.com/index.php?threads/optimum-balance-data-for-atp-pros-iii.390065/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-balance-data-for-atp-pros-iii.390065/)

Optimum Racquet Balance for Performance - New Racquet Spec Data for ATP Pros
https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-new-racquet-spec-data-for-atp-pros.387620/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-new-racquet-spec-data-for-atp-pros.387620/)

ค่า mgR/I

Optimum Racquet Balance for Performance II - MgR/I Data for ATP Pros
https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/)

https://tt.tennis-warehouse.com/index.php?threads/mgr-i-where-i-swingweight-20mr-100m.571237/ (https://tt.tennis-warehouse.com/index.php?threads/mgr-i-where-i-swingweight-20mr-100m.571237/)

https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/)

https://www.physicsforums.com/threads/simple-cheap-method-of-measuring-mass-distribution-of-object.866100/ (https://www.physicsforums.com/threads/simple-cheap-method-of-measuring-mass-distribution-of-object.866100/)

https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/ (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/)

https://www.tennisplayer.net/bulletin/forum/tennisplayer/1854-mgr-io-21-formula-for-frame-pro-balance-points-moment-of-inertia-total-mass-gravita (https://www.tennisplayer.net/bulletin/forum/tennisplayer/1854-mgr-io-21-formula-for-frame-pro-balance-points-moment-of-inertia-total-mass-gravita)

https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/page-2 (https://tt.tennis-warehouse.com/index.php?threads/optimum-racquet-balance-for-performance-ii-mgr-i-data-for-atp-pros.387805/page-2)

https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/ (https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/)


https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/ (https://tt.tennis-warehouse.com/index.php?threads/mgr-i.586338/)
ตารางไม้เทนนิส
https://tennisnerd.net/pro-player-racquets (https://tennisnerd.net/pro-player-racquets)

Parallel axis theorem

https://en.wikipedia.org/wiki/Parallel_axis_theorem (https://en.wikipedia.org/wiki/Parallel_axis_theorem)

https://en.wikipedia.org/wiki/Moment_of_inertia#Simple_pendulum (https://en.wikipedia.org/wiki/Moment_of_inertia#Simple_pendulum)

https://www.badmintoncentral.com/forums/index.php?threads/swing-speed-vs-head-weight.154777/page-2 (https://www.badmintoncentral.com/forums/index.php?threads/swing-speed-vs-head-weight.154777/page-2)

The compound pendulum
http://farside.ph.utexas.edu/teaching/301/lectures/node141.html (http://farside.ph.utexas.edu/teaching/301/lectures/node141.html)

standard gravity, g=980.665 cm/s2
https://www.oxfordreference.com/view/10.1093/oi/authority.20110803100527500 (https://www.oxfordreference.com/view/10.1093/oi/authority.20110803100527500)

1. Li-Ning Aeronaut 9000C

Racket weight = 90.9 kg
Balance Point = 298mm
Swing weight = 88.5 kg.cm2

https://www.facebook.com/RacquetForce/posts/li-ning-new-aeronaut-9000-series-are-all-in-first-to-review-is-the-one-made-the-/1340580602760566/ (https://www.facebook.com/RacquetForce/posts/li-ning-new-aeronaut-9000-series-are-all-in-first-to-review-is-the-one-made-the-/1340580602760566/)

2. Li-Ning Aeronaut 9000i

Racket weight = 81.1 kg
Balance Point = 323mm
Swing weight = 88.0 kg.cm2

https://www.facebook.com/RacquetForce/posts/li-ning-aeronaut-9000-instinct-yes-this-is-the-normal-version-not-the-limited-se/1947664812052139/ (https://www.facebook.com/RacquetForce/posts/li-ning-aeronaut-9000-instinct-yes-this-is-the-normal-version-not-the-limited-se/1947664812052139/)

Tennis warehouse

@Travlerajam
@Irvin
@RanchDressing

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