Te main spar has been modified,in 1982 by Msr. C.Piel
(that appear in the plans)
that include: 170mm width instead 160mm older
semelles reinforcings of 8 mm upper and low
wings tip cuttof (now 50mm instad 185 mm)
Acording to the infopackage 1630lbs aerobatic (+6/-3)
1850lbs utility (+4,4/-1,76)
sanjo