Rocket CenteringRing

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

Description

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

Conical

Usage

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

Notch

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

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

See also: Category:API and FreeCAD Scripting Basics.

TBD

Tutorials and Learning

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