Designers apply the sandwish principle and use composite materials to make the propellers.
Mold:
EW imported the steels from Germany and Japan to make the mold.
Centre Hub:
The centre hub is made of polyyoxymethylene resin, very strong and can not cause compressed cracks.
Right and Left Edge:
Inside the propeller is epoxy resin, not hollow, the the finish is a beautiful high gloss, clear expoxy gel-coat cover 3 storied 3K Black woven carbon fiber fabric.
Balance:
Our propellers are CNC machined, then hand finished to balance. All are factory balanced.