the 27'?, 8.5mtr nz GBE cats had the same raked rudders and same heavy helm until they also got their rudders back to vertical

note the line drawing here shows the original system but the photo shows the common mod

http://sailboatdata.com/viewrecord.asp?class_id=4401


eric e
1982 nacra 5.2 - 2158
2009 weta tri - 294