Products > ISO 484/2

This organization has produced a standard (ISO 484/2) that defines the manufacturing tolerances for marine propellers.

ISO 484 Accuracy Classes Class Description S Very High Accuracy I High Accuracy II Medium Accuracy III Wide Tolerances

ISO Tolerances on Pitch

Class   S I II III a) Local Pitch Pitch of one portion of one blade ± 1.5% ± 2% ± 3% - b) Section Pitch Mean pitch of one radii of one blade ± 1% ± 1.5% ± 2% ± 5% c) Blade Pitch Mean pitch of one blade ± 0.75% ± 1% ± 1.5% ± 4% d) Propeller Pitch Mean pitch of all blades ± 0.5% ± 0.75% ± 1% ± 3%