Wakefield International Cup - A history from 1911 by Charles Dennis Rushing

Rules summary

Year Power Area Weight (minimum unless stated) Minimum
cross-section
Time Launch Other
1928 any unlimited 11 lb maximum L2/100 best of 3 ROG  
1934 rubber unlimited wing area
190-200 ins2
4 oz L2>/100 average of 3 ROG  
1937 rubber unlimited wing area
190-200 ins2
8 oz L2/100 average of 3 ROG  
1938 rubber unlimited +stabilizer 33% 8 oz L2/100 average of 3 ROG  
1951 rubber unlimited 294 ins2 total
(19 dm2)
8 oz 10 sq in 3x5 min ROG  
1954 rubber 80g 19 dm2 8 oz 10 sq in 3x5 min ROG  
1957 rubber 50g 19 dm2 8 oz unlimited 5x180 sec Hand Launch  
1965 rubber 40g 19 dm2 190g unlimited 5x180 sec HL  
1969 rubber 40g 19 dm2 190g unlimited 7x180 sec HL  
1988 rubber 40g 19 dm2 190g unlimited 7x180 sec HL Rescind B.O.M.
1996 rubber 35g 19 dm2 195g unlimited 7x180 sec HL Ban rubber heating
2002 rubber 30g 19 dm2 200g unlimited 7x180 sec HL