sig 4 star 60 dihedral
03-09-2002, 02:41 PM
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sig 4 star 60 dihedral
I'm building my first plane and I messed up the dihedral on the right wing. It is completely backwards or upside down. I haven't build the left wing yet. Can I adjust the left dihedral to make up for the error? Can I "build " some type of spacer that will set the correct degree? How do I figure out what the degree should be? 
03-09-2002, 07:10 PM
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sig 4 star 60 dihedral
Wow someone else made the same mistake I made. 
You can get a protractor and measure the angle on the jig that comes with the kit, you may have to extend the lines to do this, and make a new jig with enough ofset to make up the difference when you set the othe center rib.
I would use an exacto knife to carefully remove the center rib of the bobo and move the top of the rib back into the wing some, probly 1/8 inch or less, reglue and sand the sheeting down to match. You could cut a new center rib and just trim the bobo out completly, take a 1/8 or so slice out of the center and incert the new rib(you'll never miss it).
There are bound to be ways to fix this that I haven't touched on also.
You can get a protractor and measure the angle on the jig that comes with the kit, you may have to extend the lines to do this, and make a new jig with enough ofset to make up the difference when you set the othe center rib.
I would use an exacto knife to carefully remove the center rib of the bobo and move the top of the rib back into the wing some, probly 1/8 inch or less, reglue and sand the sheeting down to match. You could cut a new center rib and just trim the bobo out completly, take a 1/8 or so slice out of the center and incert the new rib(you'll never miss it).
There are bound to be ways to fix this that I haven't touched on also.
