Hi Parker,
As Pascal mentioned, some of the geometry doesn’t line up.
Attached is my quick attempt. It isn’t perfect but I think it will do. It might help if you look at real images of the plane and see where the splits are in the metal joins. This can help form the shapes and add to the realism if that’s what you’re trying to do.
I basically used your lines to do blendcrv and then sweep for the ends. Splitedge and then blendsrf with curvature.100P Wing191005.3dm (631.4 KB)
Since there’s no easy way to scale background bitmaps and these GA’s aren’t even horizontally aligned, I’m planning to model the plane in whichever size they are then scale it 1:1 to add finishing details.
is this magic? Nice catch on the airfoils btw, I fixed that on my model
Thanks Pascal, I managed to update the wing model accordingly. The GA I’m using isn’t horizontally aligned so I chose
one wing side to model from.Thanks for your help, unfortunately the wing tip is not a uniform curve but changes along the way (see attached file). Unless you can loft along curve I don’t think this is possible to do. I’m close to giving up to be honest.
Updated Wing.3dm (517.6 KB)
Do you intend to physically build/print this model? If so you can’t have zero thickness trailing edges on the wings.
As me and other people mentioned earlier, wings always have thickness at the trailing edge. Also, wings must have a specific cross section shape in order to generate lift. In general, the upper shape must be made so that the air flow will travel a longer distance than the one at the bottom of the wing.
Don’t give up.
Split the trailing edge curve at the tip in two, then you have a leading edge curve, a trailing edge curve and a tip curve. Sweep two curves from airfoil curve to tip curve top and bottom. Do the same trick as my prior message to close the tip (sweep two curves). For the trailing edge thickness, offset it forward by 0.1 ft on a top view and pull that curve on top and bottom wing surfaces and trim. Create trailing edge surface by joining edges. Done.Updated Wing lvb.3dm (502.1 KB)
I know this is an old thread, and probably no one with ever read this, but just in case:
I have made a lot of wings, mostly for concept work but also involved in production projects
By a lot, I mean hundreds, I worked with Boeing replacement studies, Advanced Concepts etc. for years
For example, look at the 7E7 concept used for marketing
The ‘only’ method that works is the one Pascal shows (or similar), loft to a point, loft loose etc. do not give the shape control required
The issue with the image Parker Andrew shows with the twist in the ‘wrap’ surface is a Rhino problem
‘Most’ software has a spine feature so you can control the generating curve layout
In Rhino sometimes you can get close using the ‘add slash’ function
Pascal mentions that the leading edge and trailing edge ‘don’t line up’, that is typical, tips have (and wings in general) have twist
The trailing edge does always have a thickness, ‘we’ always used .1”
You don’t want to trim to this, make the upper TE and make a copy below, surface to 2 individual curves
If you a ‘modern’ tip, where there is a distinct end to the TE, it is easer than something like the Spitfire, at some point you will need to connect the flat TE with a curved bit from the LE
