It came out of a Hitec Weekender 300S.
https://hitecrcd.com/products/discontinued-models/extra-300s-/product
Motor:WB3720 600Kv Brushless OutrunnerSpeed Control:50 amp WE50AProp:12 x 8 3-Blade
I've built both the FT3D and Edge. The 3D flew ok but it seems too small for this motor. The Edge never flew well for me. I built at least 3 of each plane. Still have a carcus of the FT Edge.
I may try a large stick. I seem to have more success with this simple design.