WHEN ONLY THE BEST WILL DO

CHOOSE ROLLA FOR ULTIMATE PROPELLER PERFORMANCE Since 1963 the name Rolla has been synonymous with the highest quality, most efficient propellers in the world. What started with Philip Rolla individually designing and crafting Rolla fully-submerged propellers NiBrAl propellers in diameters from 24" up to 75", with power ranges from 500-4000 hp race-winning propellers has grown to become the leader in propeller technology for high- Rolla-developed proprietary software, based on the panel method, is used to design our fully- performance pleasure and commercial craft as well as military vessels....

For more information, visit www.twindisc.com Twin Disc, Incorporated Racine, Wisconsin 53403, U.S.A. 262-638-4000/262-638-4481 (fax) www.twindisc.com United States of America • Australia • Belgium • France • Italy • Singapore • Switzerland ROLLA101 © 2009, Twin Disc, Incorporated