TCM Services

Commercial Vessel Design

Our design philosophy is founded in the understanding that the ship is just one part of a transportation, passenger carrying or educational system. The vessel's ability to function in its desired capacity depends on how well that system is understood by the designer. A successful design fulfills the owners goals for the vessel -- this is true from the smallest yacht to the largest ocean carrier. That set of goals is called its mission statement. The initial concept coupled with the mission statement are the first step in the design process. A clear understanding of the performance goals is essential in the preliminary design stages. Identifying limits early on helps define the basic parameters of the design and to put the different requirements of the mission statement in proper priority.

Our design specialty has been large sailing vessels: SSV's (sailing school ships), Subchapter-T passenger carrying vessels vessels, and sailing replicas. All of these tend to be one of a kind with extremely varied mission requirements. The design solution is complex -- particularly when working with regulatory bodies.

dock

33 m steel passenger carrying schooner

There are many sailing vessels that admeasure less than 100 gross tons carrying passengers in the US under the "Subchapter T" regulations. Typical sailing "T" boats are: Amistad, Pride of Baltimore II, Spirit of Massachusetts and the Californian. T boats are size limited and mostly unsuited as true sailing school ships by size -- they simply don't have the room to carry many cadets on extended voyages. T boats are also limited for ocean travel by a high standard for initial stability. Initial stability is a measure of how stable the vessel is when upright, its a strong function of beam but has little to do with ultimate stability at sea. The original Pride of Baltimore and the Marques but had relatively high initial stability, but nonetheless capsized and sank, killing many crew.


Yacht Design

cutter

50' Canoe Stern Cutter rendered with MultiSurf

Maritime Preservation

Preservation projects, past and ongoing:

USS Constellation Framing Elevation and Gundeck Plan


Advanced Engineering Analysis:

 


Emergency Response

Damage stability model using HECSALV


Other Design Services

Boat Interior in 3D AutoCAD rendered using Accurender


Owners Representative

 

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last updated 5/10/02