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How do you make a piper cub wing???

emanuelRK6LE
Participant

How do you make a piper cub wing???

emanuelRK6LE
Participant
Participant

How do you make a piper cub wing??? I have tried sweeping then trying to loft, i have tried lofting all the way in both the solid and surface tab. I've linked the file below and picture for those who don't know what a piper cub wing looks like.Piper Cub.jpg

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Accepted solutions (1)
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WHolzwarth
Mentor
Mentor

Nice plane, but modeling needs improvement.

I've added tangent constraints to the wing tip curves, but it didn't help.

Looking at the root of the wing, I noticed no common point between the airfoil section (ClarkY ..) and Sketch5.

 

Coincidence issue.jpg

I think, this needs to be corrected. No rail is possible for a loft to point (tangent) without this change.

Walter Holzwarth

EESignature

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emanuelRK6LE
Participant
Participant

Okey dokey, thanks for the input. I will edit those things and see if i can get it to work. 

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davebYYPCU
Consultant
Consultant
Accepted solution

The 3d wing tip curve follows the Camber Line of the airfoil and is not flat like you started.  Sketch 5 did not line up with the swept body, and had some editing to fix the lofts.

 

You need to create that 3d curve by using the wing tip shape in the canvasses.

You need a top and bottom spar curve, that incorporates the wingtip curve.

You split body the wing for the front and back profiles.

 

Loft front airfoil to spar profile to rear airfoil, with wing tip curve as a Rail.  Due to self intersections you need 2 separate lofts.

 

lftrblt.PNG

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