| 摘要 |
PURPOSE: A connection structure of a propeller blade and a propeller boss is provided to facilitate a repairing work by individually manufacturing a propeller blade using a composite material and detachably coupling a unit blade to a propeller boss. CONSTITUTION: A connection structure of a propeller blade and a propeller boss comprises a propeller boss(12) and blade coupling holes(16). The propeller boss is formed into a hollow structure. The blade coupling holes are formed at predetermined intervals along the circumference of the propeller boss. A coupling part(10a) of unit blades(10) composed by a composite material is inserted into the blade coupling holes to fix the unit blades and the propeller boss. |
