https://grannysglasses.com/?p=zz12fep This racquet, the Slazenger Challenge No.1, is one of the finest examples of wood crafting you may ever see in a tennis racquet. This racquet uses soft rounded edges throughout the shaft and head. This contrasts with the Wilson approach that used sharper contours.
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- Margaret Court AO, MBE, also known as Margaret Smith Court, is a retired World No. 1 professional tennis player and Christian minister from Australia. – Wikipedia
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https://photovisions.ca/s1v8891blwk Manufacturer | follow Slazenger |
|---|---|
| Racquet Model | Slazenger Challenge No. 1 |
| Reference Tension | Not Strung |
| String | Not Strung |
| |
|
| ASPS, RDC | 0 |
| ASPS, FlexFour | 0 |
| Racquet Flex, RDC | 28 |
| Racquet Flex, FlexFour | 34 |
| Weight, Gram | 359.8 |
| Weight, Ounce | 12.69 |
| Balance, mm | 323 |
| Balance, Inch | 12.72 |
| Length, cm | 68.6 |
| Length, Inch | 27.01 |
| Head Width | 8.15 |
| Head Length | 10.75 |
| Head Area, sq cm | 443.9 |
| Head Area, sq in | 68.8 |
| Number of Main Strings | 18 |
| Number of Cross Strings | 20 |
| Ratio Cross/Main | 0.682 |
| Main String Grid | 6.25 |
| Cross String Grid | 8.00 |
| Density | 0.892 |
| Average Cross String Spacing | 0.400 |
| Average Main String Spacing | 0.347 |
| |
|
| Dynamic Tension, KP, ERT | Not Strung |
| Dynamic Tension, Lbs/in | Not Strung |
| First Moment, Nm | 0.893 |
| Polar Moment | 324 |
| Torsional Stability | 8 |
| Swing Weight, Gram | 316 |
| Swing Weight, Ounce | 11.15 |
| Swing Weight Calculated | 375.4 |
| Power, RDC | Not Strung |
| Control, RDC | Not Strung |
| Maneuverability, RDC | Not Strung |
| Power, Calculated | 614.9 |
| Head Points | 6.61 |
| Head Weight, Percent | 46.9 |
| Center of Percussion | 19.4 |
| Dwell Time, Ms | Not Strung |
| Effective Stiffness | Not Strung |
| K, lb/in | Not Strung |
| Recoil Weight | 139.63 |
| Twist Weight | 183.87 |
source Can you send me the date of production /introduction of Challange no 1 which I found in my cellar . Thanks for your reply HGThuemen.
see Thank you for the message!
https://thegreathighway.com/h1o2dvyd As near as I can tell the Challenge Series ran between the late 1950′ through the 1970s. I will take a look at the one in our museum to determine when it was made…if possible!
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