
ISO 484/2 Class S: Why "Standard" Repair Isn't Enough
TechnicalMost shops repair to Class I or II. Discover why Class S (Very High Accuracy) is critical for fuel economy and vibration elimination.
Technical resources for the serious boater.

Most shops repair to Class I or II. Discover why Class S (Very High Accuracy) is critical for fuel economy and vibration elimination.

Blueprinting (Lab Finishing) is more than repair—it's performance optimization. Learn how we thin blades and sharpen edges for 2-5 MPH gains.

Hit floating ice? Your prop might look fine, but stainless steel hides microscopic fractures. We use dye penetrant and micro-welding to fix them.

Slip is the difference between theoretical and actual speed. Learn how to calculate it and what your numbers mean.

The definitive comparison. Aluminum is cheap and sacrificial. Stainless is expensive but offers superior performance and durability. Which do you need?

Is your prop losing grip? Learn the difference between "boiling water" (Cavitation) and "sucking air" (Ventilation) and how to fix both.