Expert: Dr Darts Date: 11/29/2007 Subject: dartboards
Question Where are the Double and Treble rings located?
Answer Here are the BDO dimensions
13.00 DARTBOARDS
(h) have the following dimensions;
Double and Treble dimensions to be;
- for conventional wire boards, measured inside to inside = 8.0mm +/- 0.2mm
- for boards manufactured with strip material measured apex to apex = 9.6mm +/- 0.2mm
'Bull' inside diameter = 12.7 mm. +/- 0.2 mm.
’25’ ring inside diameter = 31.8mm +/- 0.3 mm
Outside edge of ‘Double’ wire to Centre Bull = 170.0 mm. +/- 0.2 mm.
Outside edge of ‘Treble’ wire to Centre Bull = 107.0 mm. +/- 0.2 mm.
Outside edge of ‘Double’ wire to outside edge = 340.0 mm. +/- 0.5 mm.
Of ‘Double’ wire
Overall dartboard diameter {+/- 3.0 mm.} = 451.0 mm. +/- 3.0 mm.