Custom Wings Breaking Upon Take-off

[Psychotic_blaze]

I made a quite large aeroplane. After sorting out the issues I had with the gears, I have run into another, more serious problem. While taking off, the wings, which I made from from the structural parts, break off, even after supporting them with struts. I have no idea how to fix this, thus I came here.

Thank you all for the replies. I shall edit the design when I have time.

Edited October 30, 2015 by Psychotic_blaze

[GoSlash27]

Psychotic_Blaze,

If the after-action report says "Collision with launchpad" (or other facilities at KSC), it's a known bug.

If not, I have no ideas.

Best,

-Slashy

[Alshain]

You made the wings from modular wings, not structural parts. That is actually a big difference.

Wings that large may still bow up and down quite a bit. We need to know the actual after action report. Is it a joint failure or a collision with the runway?

[DeMatt]

Assuming the wings are just buckling under aerodynamic forces (F3 for the after-action report), then I'd suggest using bigger wing pieces. Bigger pieces, like the FAT-455 Aeroplane Main Wing, means fewer joints to buckle.

I'd also check that your ailerons are on the right way - they seem to be pointing "in" rather than "back".

[Vanamonde]

Psychotic_blaze, I fixed your pic link for you. The one you want is Imgur's BBCode link.

Anyway, where are the wings breaking? I would suggest strutting not from one wing piece to the next, but from the fuselage to mid-wing, or some arrangement like that which distributes the stresses more widely.

[Van Disaster]

Strutting back & forwards also helps, presuming you've built sections out from the fuselage - pull the wing sections apart with the offset tool, strut between the edges & shove them back in place, that will keep it tidy.

[Fearless Son]

I concur with many other comments here, I think that fewer, bigger wings will do you better than building out elaborate ones out of several pieces.

Fortunately the post 1.0 lift model is much more forgiving of having less total wing surface area, provided you have enough thrust.

[FungusForge]

Generally when making big custom wings (which I still do, the FAT-455 looks too big on Mk2 and too small on Mk3.), I use cubic octo strut as points to reinforce the wings (similar to what you've done), however strut the octos straight to the fuselage, then to eachother. When connecting rows of wings I strut the wings directly to one another, and still strut the wings like I normally would. If it still snaps I either reduce the control surfaces or reinforce the wings from the other side as well.

Example with the Albatross.

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The body still bends but the wings no longer look like they are moments from tearing off.

Edited October 20, 2015 by FungusForge