The Z spinners combine the advantages of the CN spinner (cool nose with cooling air openings) and the cranked Z center pieces. Due to the angled middle pieces made of aluminium, the folding propeller blades fit even closer to the fuselage and thus ensure less air resistance during gliding. 

The Z spinners combine the advantages of the CN spinner (cool nose with cooling air openings) and the cranked Z center pieces. Due to the angled middle pieces made of aluminium, the folding propeller blades fit even closer to the fuselage and thus ensure less air resistance during gliding.