Μήνυμα για τους χρήστες φορητού αναγνώστη

Καλώς ορίσατε, Εάν χρησιμοποιείτε πρόγραμμα φορητού ανάγνωστη σας συνιστούμε να μεταβείτε σε "Λειτουργία πλήρους πρόσβασης".Αυτή η λειτουργία έχει σχεδιαστεί για να βοηθήσει διαφορετικους τύπους πλοήγησης:


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With the addition of Rolla Propellers to Twin Disc's extensive line of propulsion equipment, engine manufacturers, boat designers, builders, owners and operators now have one source for the greatest combined propulsion technology.

Rolla Propellers offers a wide variety of services for virtually every aspect of propeller design, manufacture and application. Starting with a CFD analysis of the hull, including sea keeping, to the most sophisticated CFD propeller design methods for surface propellers.

Since 1963 the name Rolla has been synonymous with the highest efficiency, highest quality surface propellers in the world. All ROLLA propellers are dynamically balanced and geometrically comply with the "S" Class of ISO 484/2 standards.

Rolla stainless steel and NiBrAl surface piercing propellers range from 28 inches to 9.8 feet in diameter and include lines specifically designed for all major surface drive systems.

Surface piercing propellers - manufactured in:

NibrAl from 28" up to 65" diameter, with a power range from 600 hp up to 5500 hp.
Stainless Steel from 16" up to 32.5" diameter with a power range from 250 hp up to 1400 hp.
Rolla Propellers Brochure (pdf)

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