Propeller making apparatus and method

摘要: Apparatus and method for making propellers having a base plate with an upstanding central shaft receiving blank propeller hub. A plurality of blocks are radially arranged on the about shaft, each block has upwardly projecting pin near one end thereof. The have vertical set screws therethrough opposite their pins to allow swingable movement adjust radial distances from shaft. heads said positioned top blocks, provide positioning means locating cylindrical collar blocks. adjustable arms, block, extending inwardly therefrom, arms collet thereon presented slotted face. is made by blade blanks its root in contact hub tip resting upon thereon. adjusted reception leading edge collets. Then, rotated respect pitch angle repsect When desired obtained, connected hub, as soldering, brazing, etc.