info(at)flylightning.net
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 Posted: Tue Aug 11, 2009 1:54 pm Post subject: Angle of incidence Plates |
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To group,
It has come to my attention by a builder that the Build manual does not include instruction for the proper installation, or installation at all of the Angle of incidence plates.
I believe that everyone who is flying their Lightning has installed these plates and any one in close contact with there dealer knows about them and has installed them.
I the kit should be 4 plates which should look like thick steel plate washers with AN-5 buts welded to them. These are to be installed inside the forward and rear attach points of the wing.
When setting the wing incidence you are told to match drill the forward and rear hard points on the wings to the pre-drilled holes in the fuselage with a 5/16” bit.
The holes in the wings must than have a AOI plate installed on the inside of the wing not the side which mates to the fuselage.
The plate should be attached with #8 screws and nuts or with stainless steel 1/8” rivets of sufficient grip length. 2 of one or the other per plate will be enough, think of them as giant nut plates, the screws or rivets are to just keep them from turning and are not structural.
I will be updating the Spar box and wing alignment section tomorrow to include these instructions.
Nick Otterback
Arion Aircraft, LLC
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