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All Terrain Boat?
Posted by sbeausol 
All Terrain Boat?
January 10, 2017 04:16PM
Long time lurker here. I've always had an interested in building a boat myself. Still waiting for a series of things to come together for that to happen. A hull design I've been specifically interested is one that falls into the power drifter/jet sled category. I know it's always a pitfall for people to want one boat to do a few different things well, but it's an interest of mine. I'm willing to accept compromises in both functions should performance be adequate for rowing and motoring. I've been following the idea since Jason Cajune's Kodiak design, and the latest design that has caught my eye is StealthCraft's ATB or "all terrain boat". The concept is the same as it's been for a while - a boat the motors well, and also rows well. I'm wondering if there are any open designs similar to the ATB. I'm interested in understanding the hull design better, and if it reflects any new concepts beyond plascore construction. Anyone here have additional insight on this category of boat? Is the ATB a pretty novel design? From what I've read, there is alot of admiration for Mike and Stealthcraft in general, but I haven't come across much discussion on the ATB...

Input is greatly appreciated!
Re: All Terrain Boat?
January 10, 2017 06:09PM
The ATB looks like a traditional but molded Rapid Robert, with a relatively flat bottom, pointed at one end and BIG square transom at the other end.

The Rapid Robert was meant to be powered from the flat transom with pointed end ahead, but rowed the other way around (without motor) with transom end downstream.

For power boats meant to at least SOMETIMES navigate in shallow water, slowly under power, the boats that do the best have a motor well in the rear, so the motor is surrounded by flotation, so the rear end doesn't dig down so badly when you goose the throttle.

Trim tabs can do that too. In the Bahamas I've seen at least two flats boats modified so they had small bolt-on pontoons either side of the motor, so it was almost like a motor in a motor well. The idea there too was to be able to twist the throttle in shallow water without the boat digging down at the rear (and standing vertical at the front) .

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