Foldable propeller with 3 blades. The propeller is 8 inches and has a stock pitch of 4 inches and is designed the Clark Y airfoil. It provides high performance for your aircraft (RC plane, RC helicopter, quadcopter...). It is completely suitable for 3D printing. You can use PLA or ABS. Use the appropriate steel rod in the folding mechanism. When using the propeller, make sure that all parts are intact and working properly, otherwise, injuries may occur. You can send your questions about the propeller as a message to the @aecadco_ Instagram account.