I have a 1976 23' Sceptre with a Yanmar 4LHA/240 hp and inboard v-drive. I fished this weekend out of Baja and ran a total of 210 miles in 2 days and burned 66 gallons of fuel averaging over 3 mpg running about 50/50 cruise and trolling at 7.5-8.5 knots. I run 2800 rpm's at 25 mph and top out 3200 rpm's at a shade over 30 mph. I headed out both days full of fuel, gear, ice and 3 guys on board. I think I could play around with different props and squeeze out another 1000 rpm's but she'll pull out of the hole and run the same numbers regardless of the load so the gain is not worth the hassle to me. From my experience this boats center of gravity with the weight of the diesel will push this hull through much bigger seas that my 23' center console is capable of. Sunday headed back in with winds 15-20 knots and didn't back down too much off my normal cruise and had a good ride. If I were going to build one now and this engine was available I wouldn't hesitate. It's reliable, economical, has tons of torque and leaves plenty of room in the engine compartment to work on it.
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10-16-2017, 09:45 PM
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