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About wing mod CN-1...

Ian

Member
The mods on the RV-3 wing spar seem to be a little bit confusing for me....

As I have an old wing with 3/16 spar laminates I did apply CN-2 mod......

....but what about CN-1 ? Didn't ever heard about it before reading on Randy's nice website !......

Is it necessary to have the CN-1 mod applied ?.........What the difference between the described option#1 & option #2 ......

Need to straighten this out...could anybody help me with that confusing stuff ?
 
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