• Design
        • The most significant opportunities to impact the cost of building and operating a ship are found in the design and engineering phase.

          Initial Design  |  Basic Design  |  Detailed Design

        • Build
        • Even a smaller shipbuilding project is immense in scope and scale. Manage the challenges that are unique to ship construction.

          Prepare  |  Fabricate  |  Assemble

        • Maintain
        • With the majority of a ship’s life taking place after it’s been built, it’s crucial to ensure that the organization has a clear picture of the vessel at all times.

          Digital Twin  |  Repair / Refit  |  Operations

        • Nexus
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        • The SSI blog is your place to get insights into the intersection of shipbuilding and technology, how our industry is moving forward, and keep up with SSI news. It’s the only place to read the latest from Denis Morais and Darren Larkins, SSI’s co-CEOs.

          Lighthouse Waveform  |  Shipbuilding Solutions

        • ShipConstructor
        • Engineering information is a shipbuilder’s most important asset. Getting that information to fit your business means using a solution that is built to handle shipbuilding’s unique challenges and information requirements throughout each stage of a vessel’s lifecycle.

        • EnterprisePlatform
        • Every process in a shipyard requires data. Seamlessly sharing that data across tools in the correct format needed allows for meaningful, actionable information to be consumed throughout the organization. Providing the freedom to choose the tailored tools required for a shipbuilding project.

        • ShipbuildingPLM
        • ShipbuildingPLM is the only product lifecycle management (PLM) platform that is specifically built for the business of shipbuilding. It allows your shipyard to manage and organize information, understand change, build a foundation for digital innovation, and support MRO activities – without the risks and costs of traditional PLM implementations.

        • Company
        • Learn more about SSI and our leadership.

        • Locations & Contact
        • You need a partner with a global presence.

        • News
        • The latest on SSI and shipbuilding.

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        • Join us at our next event, conference, or trade show.

        • Partners
        • Learn more about our Platform and Development Partners.

        • Clients
        • See the industry leaders who trust SSI.

        • Careers
        • Help us make the business of shipbuilding possible.


In ShipConstructor 2017 R1.1, we continued with the ongoing enhancements to the HVAC product. Following the recent additions of the cap and bellmouth stocks, we have added support for the drop cheek elbow type in this latest release.

New ShipConstructor HVAC Stock Part: Drop Cheek Elbow


  • A drop cheek elbow is an HVAC part that turns right or left while transitioning to a different size end.
  • Drop Cheek Elbows in ShipConstructor are defined parametrically, similarly to other stocks.
  • A difference is that the throat curve is always represented by a circular arc with a constant radius.
  • A drop-cheek elbow allows for a transition in its profile width as well as a slant in its cheeks. When setting a cheek at an angle, an offset parameter can be adjusted for the “in” and “out” ends of the elbow so that only one of the sides is dropped while the other one is kept flush. Notice that setting one of the cheeks to be flush is useful in places where an expansion is only possible in one direction such as in proximity to a wall or ceiling.



  • Drop cheek elbows fit well in places where a change in the HVAC line cross-section coincides with a turn.
  • As a stock part, it can be represented in the 3D model and thus show up in reports and BOMs. Being in the 3D model also improves modeling efficiency and production information.



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System Requirements


Supported Client Operating Systems Windows 7, Windows 8.1, Windows 10
Supported Server Operating Systems Windows Server 2008, 2008 R2, or 2012 (64-bit)
SQL Servers MS SQL Server 2008, 2008 R2, 2012, or 2014

Installer includes Microsoft SQL Server 2014 Express
Note that SQL Server 2012 Express Edition SP1 is no longer packaged with the installer.

Supported AutoCAD Platforms AutoCAD 2016 and 2017

AutoCAD Mechanical 2016 and 2017

AutoCAD P&ID 2016

AutoCAD Plant 3D 2016 *

Supported Autodesk Suites** Product Design Suite 2016 and 2017**

Factory Design Suite 2016 and 2017**

Plant Design Suite 2016 and 2017**

Design Suite 2016 and 2017**


* Note that AutoCAD Plant 3D 2017 and AutoCAD P&ID 2017 are NOT supported. Use of these versions can result in crashes and loss of unsaved data.

** Pending final testing and verification.

ShipConstructor 2017 R1.1 Installation Guide

See Manuals in SSI Nexus

Download Information

See Downloads in SSI Nexus

Purchasing Information

To purchase the software or renew your Subscription contact an SSI Representative