Bay Propeller Boating MRI
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%
Bay Propeller • 757-485-5681 • 3231 S. Military Highway • Chesapeake, VA 23323