Wing spar purple bond Home › Forums › Ask the Gurus › Wing spar purple bond Tagged: 75 Tiger, AA5B, Delamination, Purple Glue This topic has 1 reply, 2 voices, and was last updated 8 years ago by Roscoe Rosché. Viewing 1 reply thread Author Posts April 11, 2016 at 13:28 #4190 JohnParticipant Thinking about buying a 1975 tiger here is a pic from inside the spar does this have the purple bond? Does it look ok? April 17, 2016 at 18:10 #4278 Roscoe RoschéKeymaster Here is what the purple glue looks like! Cheers Roscoe Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In