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Discraft Ringer and Stalker discs - PDGA Approved

The Discraft Ringer and Stalker passed all PDGA tests and have been added to the list of PDGA-approved discs. These discs are now permitted in PDGA competition, although formal certification will be made by the Board of Directors at their next meeting. Test measurements are listed below.

Ringer

Outside diameter: 21.0 cm
Inside rim diameter: 19.2 cm
Height: 1.8 cm
Rim depth: 1.2 cm
Rim thickness: 0.9 cm
Flight plate thickness: 0.2 cm
Flight plate to rim plane distance: 1.6 cm
Flexibility rating: 6.12 kg
Rim configuration rating: 67.7
Maximum weight allowed: 174.3 g

Stalker

Outside diameter: 21.6 cm
Inside rim diameter: 18.3 cm
Height: 1.6 cm
Rim depth: 1.2 cm
Rim thickness: 1.7 cm
Flight plate thickness: 0.2 cm
Flight plate to rim plane distance: 1.4 cm
Flexibility rating: 4.76 kg
Rim configuration rating: 32.5
Maximum weight allowed: 179.3 g

For a complete list of PDGA approved golf discs:
http://www.pdga.com/files/documents/PDGA_approved_discs_61709.pdf