twin screws. With her 4-blade, 92 x 92 inch screws turning at 243 rpm at full power, the "Balboa" cruises at speeds up to 14.2 knots. Two Waukesha VC L1616 diesels provide 350 kw each for ship's service power. A Waukesha VC H1077 drives the bow thruster and supplies 250 kw emergency power. The skiff
twin screws. With her 4-blade, 92 x 92 inch screws turning at 243 rpm at full power, the "Balboa" cruises at speeds up to 14.2 knots. Two Waukesha VC L1616 diesels provide 350 kw each for ship's service power. A Waukesha VC H1077 drives the bow thruster and supplies 250 kw emergency power. The skiff