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Rocket CenteringRing

From FreeCAD Documentation

Rocket CenteringRing

Menu location
Rocket → Centering Ring
Workbenches
Rocket Workbench
Default shortcut
None
Introduced in version
0.19
See also
None

Description[edit | edit source]

A Centering Ring is a solid object used to hold one or more body tubes inside another body tube.

Conical

Usage[edit | edit source]

  1. There are several ways to invoke the command:
    • Press the Centering Ring button.
    • Select the Rocket → Centering Ring option from the menu.
    • Double click on a Centering Ring object in the Tree view.
  2. Set options and press OK.

Options[edit | edit source]

Notch[edit | edit source]

Centering rings, especially those used for low power rocketry, often need a notch to accommodate an engine hook. The Centering Ring tool can generate those for you.

Centering ring with an engine hook notch

Properties[edit | edit source]

Bulkhead

These properties are inherited from the Bulkhead, see Bulkhead for more information.

  • DataDiameter: The outer diameter of the bulkhead
  • DataHole Center: The distance from the center of the hole to the center of the bulkhead
  • DataHole Count: The number of holes applied in a radial pattern around the center of the bulkhead
  • DataHole Diameter: The diameter of the hole
  • DataHole Offset: Offset from 0 degrees of the first hole
  • DataHoles: True when the the bulkhead has one or more holes, see Bulkhead Options
  • DataStep: True when the bulkhead includes a step, see Bulkhead Options
  • DataStep Diameter: The outer diameter of the step
  • DataStep Thickness: The thickness, not including the bulkhead thickness, of the step
  • DataThickness: The thickness, not including any step, of the bulkhead

Centering Ring

  • DataCenter Diameter: The diameter of the inner hole
  • DataNotch Height: The notch height
  • DataNotch Width: The notch width
  • DataNotched: True when the center hole includes a notch, see Options

Rocket Component

These parameters are provided for information and have no effect on the design of the component.

  • DataDescription: Description of the component
  • DataManufacturer: Manufacturer when known
  • DataMaterial: Material when known
  • DataPart Number: Manufacturer part number

Scripting[edit | edit source]

See also: Autogenerated API documentation and FreeCAD Scripting Basics.

TBD

Tutorials and Learning[edit | edit source]

Rocket Workbench Body Tubes, Bulkheads, and Centering Rings Tutorial on YouTube