View Single Post
Old 06-29-2019, 04:42 PM
  #2  
wingless
Senior Member
 
Join Date: Jan 2007
Posts: 3,294
Received 84 Likes on 65 Posts
Default

My propellers has been tuned to ISO 484 Class I several times.

Then, I started having my propellers tuned to Class S using Prop Scan.

There was an immediate noticeable difference in boat performance that I attributed to the improved propeller tune.