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نوشته اصلی توسط shahri
ممنونم از راهنمائیت منظور از L4 :تو عکسی که این زیر گذاشتم از L6 شروع میشه تا S10 وسط راکت HEAD داخل دایره نوشته L4 اگه میشه این تقسیم بندی رو توضیح بدید
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راستش من تا 20 دقیقه دیگه دارم میرم مسافرت شرمنده وقت ترجمه مطلب نیست. اصلش رو گذاشتم از سایت tennis-warehouse.com
Swingweight: Measure of how heavy a racquet feels when swung, i.e. maneuverability. Also known as Moment of Inertia or Second Moment, swingweight is dependent on several factors, including racquet weight, length, balance, head size. A heavy swingweight racquet is more powerful than a light swingweight racquet (ATBE), but will be less maneuverable. Also, a heavy swingweight racquet can be relatively light in overall weight by placing the majority of weight in the head. A trend initiated by Wilson with their Hammer racquets, the objective is to retain maneuverability without sacrificing power by distributing most of the overall weight to the upper hoop, where ball contact is made. Swingweight can be increased by adding weight above the pivot point (where the racquet is gripped) or by increasing length. Swingweight (like overall weight) cannot be reduced unless the bumper is removed or racquet length is reduced. Keep this in mind when selecting a racquet to purchase - better to error on the light side and add weight if needed.