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Why not a big single planing diesel? (conceptual)

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Why not a big single planing diesel? (conceptual)

Old 06-30-2007, 03:44 PM
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Default Why not a big single planing diesel? (conceptual)

I have been boating for 30 years - had single and dual outboards and inboards/ IOs and more recently surface piercing drives.

Why don't they make a deep vee, performance cruiser, with a single monster diesel engine and a surface drive...something like a single 1000 hp with a beefy gear to get her on plane at a nice 30 mph cruise? The diesel genny could have a PTO of sorts for a limp home hull speed cruise if the big motor craps, small bow thruster to help around the docks. One big motor is much easier to work on than two crammed ones in an engine room.

Is there a technical reason why this isnt done/available?
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Old 06-30-2007, 04:09 PM
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Default Re: Why not a big single planing diesel? (conceptual)

It's done. just not often.

http://www.nava.ca/
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Old 06-30-2007, 05:12 PM
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Default Re: Why not a big single planing diesel? (conceptual)

That Nava looks like it would work...a very interesting concept with some promise.
There are many carolina-style hulls with single diesels....take a trip up to the OB in NC and you will be surprised at the 40-50' sportfishers that have only one large diesel. No surface drives on those that I know of. But most are custom, and I would think it could be done.
I do believe Hinkley and Hunt both make a single-diesel with a jet drive.
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Old 06-30-2007, 05:32 PM
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Default Re: Why not a big single planing diesel? (conceptual)

Great info guys - I had never heard of the Nava - interesting stuff. I was thinking more of a performance boat - something that can cruise at 40-45mph top out over 50. Like a smith with a single.....cool
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