Center of Gravity Balance for RC Airplanes By Cults on February 25, 2019 20:33 Center of Gravity Balance for RC Airplanes Suitable for small to medium size RC planes. Required hardware, QTY 2 - Standard ball bearing 22mm dia x 7mm width. See drawing spec image. Found used bearing from an old pair of Roller Blades. Press fit bearing. Technical specification: Can accommodate fuselage width (Min, 80mm Max, 200mm). Max height with landing gear 170mm. Easy print. No supports needed Infill 20 percent. 3 walls for all parts. Let me know if you have any custom requests related to RC planes. CHECK OUT MORE GREAT 3D PRINTS HERE: https://cults3d.com/en/users/Trikonics/creations Have fun printing! Regards, Trikonics