Introduction
Rolla Propellers, part of Twin Disc, Inc., has been a leader in propeller technology since 1963, known for high-quality and efficient propellers for pleasure, commercial, and military vessels. Founded by Philip Rolla, the company has grown from crafting race-winning propellers to offering advanced propulsion solutions.

Design and Manufacturing
Rolla maintains complete control over its design and manufacturing processes, employing talented personnel and the latest technologies. Each propeller is custom-designed with proprietary codes to meet various classification registers like Lloyd’s Register and ABS. All propellers comply with ISO 484/2 standards, and laser scanning reports are available for registration purposes.

Fully-Submerged Propellers
These propellers are made from NiBrAl, with diameters up to 3.5 meters and power ranges from 500 hp to 5000 hp. Rolla uses proprietary software for design, analyzing factors such as diameter, blade number, skew, and rake to optimize performance and detect potential issues like cavitation.

Surface-Piercing Propellers
Manufactured in NiBrAl and stainless steel, these propellers range from 60" to 28" in diameter, supporting power from 250 hp to 5500 hp. Rolla's extensive database and CFD software help optimize design by considering thrusts and pitch options.

Experience and Expertise
Rolla's experience in racing and extensive database of performance profiles reduce trial and error, saving development costs and time while ensuring optimal performance. The company offers comprehensive services, including hydrodynamic analysis, engineering, CFD hull analysis, and sea trials.

Global Presence
As part of the Twin Disc family, Rolla serves a global market with locations in the USA, Australia, Belgium, China, Finland, India, Italy, Japan, Netherlands, Singapore, and Switzerland.