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Hull and Outfitting

Rectangular Components - Cranked Taper

  • Last UpdatedJan 12, 2026
  • 2 minute read

The task of creating an HVAC Component is initiated from the HVAC Window.

  1. Select Rectangular in the Categories dropdown list and then Cranked Taper in the Available Type dropdown list to display the Cranked Taper window:

    You are required to input the following dimensions:

    • Duct width AA

    • Duct depth AB

    • Duct width LA

    • Duct width LB

    • Length

    • A Offset

    • B Offset

    • A Back Extension

    • Arrive Extension

    • Leave Extension

  2. To visualize how the dimensions equate to the actual piece of HVAC, select Picture to display a detailed drawing for Rectangular Components Catalog Element - Cranked Taper.

    Note: The fields will be pre-populated with default dimension. These dimension are governed by the details defined in the HVAC Catalog.

  3. Select Transpose width/depth to exchange Duct Width AA dimension with Duct depth AB dimension or to exchange Duct Width LA dimension with Duct Width LA dimension with Duct depth LB dimension.

  4. Specify a type of joint to use for the Arrjoint (Arrive Joint) and Leajoint (Leave Joint). For a detailed description, see Create / Modify HVAC Components.

  5. After selecting the type of joint to use for the Arrjoint and Leajoint, enter the Aoff and Boff Direction.

  6. In the Aoff and Boff Direction enter the direction for the Aoff and Boff relative to the Point of Origin. Valid directions are X, Y, Z, -X, -Y or -Z.

  7. In the Connect list, select Connect or Unchanged:

    • Select Connect (default when Create is selected) - connects the piece of HVAC to the previous one.

    • Select Unchanged (default when Modify is selected) - positions the component at the co-ordinates 0.00.

    Note: Unchanged is usually used, when Modify is selected, it does not connect the component but positions it at 0.00, in effect in a floating position.

  8. Select Defaults to reset all the fields back to when the Cranked Taper window was opened.

  9. Select Fit to orientate the Cranked Taper to automatically match the outlet (p-leave) of the previous piece of HVAC to the inlet (p-arrive) of the next piece.

  10. Select OK to create the Cranked Taper component and close the Cranked Taper Window. You will be returned to the HVAC Window.

  11. Select Cancel to discard all field changes and close the Cranked Taper window.

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