Re: 23 Sceptre project
I can't remember exactly where on this site it is, but if you're wondering what the HIN actually means, there is a breakdown of it. If I remember correctly, Capt Chuck posted it a couple years ago.
Regarding power, my father's '82 Sceptre 23 runs a single '97 225 Yamaha 2-stroke (no bracket), cruises 25 knots @ 4500rpm and WOT 34-35 knots @ 5600. Member "lost2a6" has the same boat with a 200 Yam on a bracket and gets similar performance. You mentioned that you run 50 miles offshore. Knowing that, you probably want twins for redundancy. For 4-stroke, you can't go wrong with the 115/140 Suzukis; for 2-stroke, probably the new 'Rude E-Tec 115 or 150, or as you mentioned, the 135 Merc Optis.
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