Cummins 6BT5.9 210HP, LWL: 34.7', 31000 lbs, semi-displacement
The following operating hours and ranges are based on continuous running and calibrated fuel flow (FloScan). NM/G and ranges can increase up to 20% assuming 4 hour average daily runs and normal times for warming/cooling.
[FONT="]Really Slow Economy cruise:[/FONT][FONT="] 1400 rpm, 6.2 kts, S/L 1.06, 59.2% propeller efficiency, 28 hp (13% of ME rating), 1.7 gph, 3.7 nm/g, 172 F coolant temp, 380 F pyro, 1.0 lb turbo boost, 195 operating hours with a range of 1207 miles (90%), 74 dba in pilothouse. [/FONT]
[FONT="]Slow Economy cruise:[/FONT][FONT="] 1500 rpm, 6.5 kts, S/L 1.11, 58.8% propeller efficiency, 34 hp (16% of ME rating), 2.1 gph, 3.1 nm/g, 172 F coolant temp, 420 F pyro, 1.5 lbs turbo boost, 158 operating hours with a range of 1024 miles (90%), 77 dba in pilothouse. [/FONT]
[FONT="]Fast Economy cruise:[/FONT][FONT="] 1600 rpm, 6.9 kts, S/L 1.18, 58.6% propeller efficiency, 41 hp (20% of ME rating), 2.5 gph, 2.8 nm/g, 172 F coolant temp, 450 F pyro, 2.0 lbs turbo boost, 132 operating hours with a range of 914 miles (90%), 78 dba in pilothouse. [/FONT]
[FONT="]Slow Fast cruise:[/FONT][FONT="] 1700 rpm, 7.2 kts, S/L 1.23, 57.5% propeller efficiency, 47 hp (22% of ME rating), 2.9 gph, 2.5 nm/g, 173 F coolant temp, 480 F pyro, 2.5 lbs turbo boost, 114 operating hours with a range of 822 miles (90%), 77 dba in pilothouse. [/FONT]
[FONT="]Fast cruise:[/FONT][FONT="] 1800 rpm, 7.5 kts, S/L 1.28, 56.6% propeller efficiency, 55 hp (26% of ME rating), 3.5 gph, 2.1 nm/g, 175 F coolant temp, 510 F pyro, 3.3 lbs turbo boost, 95 operating hours with a range of 709 miles (90%), 74 dba in pilothouse. [/FONT]