[grover]

is it necessary to attach both wings at the same time? I'm talking for the initial fitting and rear spar drilling here.

 

[szicree]

In theory it could probably be done one at a time, but it will be A LOT harder to make sure everything is lined up. It's not a particularly hard job, but the consequences for screwing it up are kinda big. Mounting and drilling the rear spar is a job that can easily be done in a day. Once that's done, you can do all other stuff one wing at a time.

 

[JordanGrant]

You will definitely need to have them both on for drilling the rear spar. Like Steve says, its theoretically possible to get them lined up correctly one at a time, but its not worth the risk. Do it right the first time.

 

[JoeBlank]

You may want read the FAQ off of Van's website to ensure that you are following the proper steps and considering all of the issues. It is located here:

http://www.vansaircraft.com/pdf/Wing_ Incidence.pdf

Since this is a critical area of construction, go slowly as you only get one shot at drilling the rear spar.

Blue Skies!

Joe Blank
RV-6
N6810B