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Technical

APPENDIX 1

TOLERANCES AND METRIC EQUIVALENTS OF STANDARD DIMENSIONS

 
LAW
SUBJECT
IMPERIAL UNITS
TOLERANCE
METRIC EQUIVALENTS
TOLERANCE
2 The court
35 yards
+/- 6 inches
32.0 metres
+/- 150 mm.
   
28 yards
+/- 6 inches
25.6 metres
+/- 150 mm.
   
13 yards
+/- 3 inches
11.9 metres
+/- 75 mm.
   
7 yards
n/a
6.4 metres
n/a
   
1 yard
n/a
0.9 metres
n/a
           
3(a) The peg
18 inches
+/- 1 inch
450 mm.
+/- 25 mm.
   
6 inches
n/a
150 mm.
n/a
   
1.5 inches
+/- ¼ inch
38 mm.
+/- 6 mm.
           
3(b) Hoops
12 inches
+/- ½  inch
300 mm.
+/- 12.5 mm.
   
4 inches
+/- 1/32 inch
100 mm.
+/- 0.8 mm.
   
3 3/4 inches
+/- 1/32 inch
95 mm.
+/- 0.8 mm.
   
5/8 inch
+/- 1/32 inch
16 mm.
+/- 0.8 mm.
           
3(c) Balls
3 5/8 inches
+/- 1/32 inch
92 mm.
+/- 0.8 mm.
   
16 ounces
+/- ¼ ounce
454 grams
+/- 7 grams
           
3(f) Corner flags
12 inches
n/a
300 mm.
n/a.
           
3(g) Corner pegs
3 inches
n/a
75 mm.
n/a
   
3/4 inch
n/a
19 mm.
n/a

 
Author: The Croquet Association
All rights reserved © 2009

Updated 10.iv.11
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