Rocket Parachute Size Calculator
This documentation is not finished. Please help and contribute documentation.
GuiCommand model explains how commands should be documented. Browse Category:UnfinishedDocu to see more incomplete pages like this one. See Category:Command Reference for all commands.
See WikiPages to learn about editing the wiki pages, and go to Help FreeCAD to learn about other ways in which you can contribute.
|
Menu location |
---|
Rocket → Calculators... → Parachute Size Calculator |
Workbenches |
Rocket Workbench |
Default shortcut |
None |
Introduced in version |
0.19 |
See also |
None |
Description
This calculator determines the parachute size required to achieve the desired descent rate based on the parachute parameters.
Usage
![](/images/0/06/Calc_parachute_size.png)
- There are several ways to invoke the command:
- Press the
Parachute Size Calculator button.
- Select the Rocket → Calculators... →
Parachute Size Calculator option from the menu.
- Press the
- Enter the weight of your rocket and parameters for your parachute.
Calculation
Thrust to weight is calculated using the following formula:
Calculations are done using metric units, but will display in your preferred units. Values can also be entered using any supported units by including the units with the value (eg 5 oz, or 23.2 g)
![](/images/thumb/9/94/User_hub.png/24px-User_hub.png)
- Getting started
- Installation: Download, Windows, Linux, Mac, Additional components, Docker, AppImage, Ubuntu Snap
- Basics: About FreeCAD, Interface, Mouse navigation, Selection methods, Object name, Preferences, Workbenches, Document structure, Properties, Help FreeCAD, Donate
- Help: Tutorials, Video tutorials
- Workbenches: Std Base, Assembly, BIM, CAM, Draft, FEM, Inspection, Mesh, OpenSCAD, Part, PartDesign, Points, Reverse Engineering, Robot, Sketcher, Spreadsheet, Surface, TechDraw, Test Framework
- Hubs: User hub, Power users hub, Developer hub