Sukhoi Su-31



The Sukhoi Su-31 is an aerobatic 3D plane that is intended for outdoor use. Build it from the plans attached below.

I have marked out a slot for the motor, but you might want to modify it to for your particular motor and mount. I have included a motor mount that fits the slot.

This is quite a large model, so make sure to user proper reinforcements on the wing and elevator, like stiff carbon fiber rods.

The dimensions of the slots and tabs are made for 6 mm depron.


Wing span
105 cm (41 inches)
98 cm (39 inches)
CoG location
5.7 cm (2.2 inches) behind wing leading edge

Build Instructions

Not available.

Forum Discussion

CAD Images

flickr:3586933226 flickr:3586125469 flickr:3586932648 flickr:3586934454 flickr:3586126909 flickr:3586127675 flickr:3586131625 su-31-r1-motor-mount.png

Build Pictures

Not available yet.

Model Pictures

flickr:3766199154 flickr:3765405037 flickr:3765407201 flickr:3765412577 flickr:3766209546 flickr:3766210726 flickr:3766212474 flickr:3765419045

Model Artwork


Model Videos

Not available yet.



All my plans are published under a Creative Commons Attribution-Noncommercial-Share Alike license.

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  • Share Alike. If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

In plain English this means that

  • you are free to download my plans and build airplane models from them
  • if you make any changes to the plans and want to publish or share your version you have to
    • attribute me as the original designer with a link to this web site
    • release your version under the same or similar license to this one
  • you may not use my plans for commercial purposes
Unless otherwise stated, the content of this page is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License