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Classic Class D runabout questions

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  • Classic Class D runabout questions

    I was thinking about building a classic D runabout, I had a Yellowjacket as a kid and it was great fun. In looking at them today I am amazed how small the A/B boats were, and running in the Intracoastal Waterway in South Fla. it was a pretty wet boat, it would slice thru big boat wakes and the squared front would sometimes clip the chop and send a lot of water into your face. For that reason I thought I would move up to something more like a D Speedliner with a Merc. The higher bow and longer length would likely make it a lot drier ride... There is just something classic about those boats that I really like, and at around 200 lbs it is going to take more motor than a Super 10 to get my big you know what moving.

    Use would be a weekend lake boat on fairly calm water, but I wouldn't rule out racing it some or use in some marathons.

    Hull design has come a looooooonnnnggg way since the mid-50's, and there are a lot of options in terms of deep V hulls with a pad and other configurations like a tunnel hull.

    Plans are available for several "classic" C/D hulls from Sorensen or Glenn-L, but does it make sense to build something like that, or is a more modern deep V the way to go? The Glenn-L and Sorensen look pretty robust, more like the Speedliner Marthoner M-814, and not like the Corsair.... I'm thinking that would be a good starting place. I would customize it with two cockpits and some other tweeks (the engineer in me has to come out somewhere), and work it all out on the CAD system before I build it.

    Which is faster with a Mark 55 or 58? And at the speeds that a D boat can reach, is it getting pounded really bad (most have a perfectly flat planing surface that is about 38 to 40 inches wide)? I'm not minding getting bounced around a bit, but I'm too old to take a pounding...

    Opinions and experience please?



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