Rocket Vent Hole Size Calculator: Difference between revisions

From FreeCAD Documentation
(Created page with "<languages/> {{UnfinishedDocu}} <translate> {{Docnav |PreviousCommand |NextCommand |Rocket Workbench |IconL...")
 
No edit summary
Line 4: Line 4:


{{Docnav
{{Docnav
|[[Rocket_Thrust_To_Weight_Calculator|Thrust To Weight]]
|[[Base_PreviousCommand|PreviousCommand]]
|
|[[Base_NextCommand|NextCommand]]
|[[Rocket_Workbench|Rocket Workbench]]
|[[Rocket_Workbench|Rocket Workbench]]
|IconL=Rocket Calculator.svg
|IconL= <!--filename of icon with extension (e.g. svg, png)-->
|
|IconR= <!--filename of icon with extension (e.g. svg, png)-->
|IconC=RocketWorkbench.svg
|IconC= <!--filename of icon with extension (e.g. svg, png)-->
}}
}}



{{GuiCommand
{{GuiCommand
|Name=Vent Hole Size Calculator
|Name=Bulkhead
|Icon=Rocket Bulkhead.svg
|Icon=Rocket Calculator.svg
|MenuLocation=Rocket → Bulkhead
|MenuLocation=Rocket → Calculators... → Vent Hole Size Calculator
|Workbenches=[[Rocket_Workbench|Rocket Workbench]]
|Workbenches=[[Rocket_Workbench|Rocket Workbench]]
|SeeAlso= <!--add links to similar commands; delete this row if not used-->
|Version=0.19
|Version=0.19
}}
}}
Line 23: Line 23:
== Description ==
== Description ==


This calculator determines the minimum size of vent holes for barometric altimeters based on the volume of the space and the number of vent holes.
A bulkhead is a solid section of material used to close off a section of body tube, or to provide a base for a nose cone.


== Usage ==
== Usage ==
[[File:Calc vent hole size.png|center]]


# There are several ways to invoke the command:
# There are several ways to invoke the command:
#* Press the {{Button|[[Image:Rocket Bulkhead.svg|16px]] [[Rocket_Bulkhead|Bulkhead]]}} button.
#* Press the {{Button|[[Image:Rocket Calculator.svg|16px]] [[Rocket_Vent_Hole_Size_Calculator|Vent Hole Size Calculator]]}} button.
#* Select the {{MenuCommand|Rocket → [[Image:Rocket Bulkhead.svg|16px]] Bulkhead}} option from the menu.
#* Select the {{MenuCommand|Rocket → Calculators... → [[Image:Rocket Calculator.svg|16px]] Vent Hole Size Calculator}} option from the menu.
# Enter the parameters of your electronics bay.
#* Double click on a Bulkhead object in the model view.
# Set options and press {{Button|OK}}.


== Options ==
== Calculation ==

* Optional. List the command options here. Check out two examples, {{Button|[[Image:Draft_Line.svg|16px]] [[Draft_Line|Draft Line]]}} and {{Button|[[Image:PartDesign_Pad.svg|16px]] [[PartDesign_Pad|PartDesign Pad]]}}.

== Example ==

Optional.

== Notes ==

* Optional. Use a bullet list if there are multiple items. You can also mention limitations here.

== Properties ==

=== Data ===

{{TitleProperty|Property Group}}

* {{PropertyData|Property Name 1}}: Description of the property

=== View ===

{{TitleProperty|Property Group}}

* {{PropertyView|Property Name 2}}: Description of the property

== Scripting ==

See also: [[:Category:API]] and [[FreeCAD_Scripting_Basics|FreeCAD Scripting Basics]].

The ExampleCommandModel tool can be used in [[Macros|macros]] and from the [[Python|Python]] console by using the following function:

</translate>
{{Code|code=
Object = makeExampleCommandModel(Data1, Data2)
}}
<translate>

* Creates an {{incode|Object}} using {{incode|Data1}} and {{incode|Data2}}.

Example:

</translate>
{{Code|code=
import FreeCAD, Base

Model = Base.makeExampleCommandModel(FreeCAD.Data1, FreeCAD.Data2)
}}
<translate>


Thrust to weight is calculated using the following formula:
== Other ==


<math>T_{min} = 5mg</math>
Optional.


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)


{{Docnav
{{Docnav
|[[Rocket_Thrust_To_Weight_Calculator|Thrust To Weight]]
|[[Base_PreviousCommand|PreviousCommand]]
|
|[[Base_NextCommand|NextCommand]]
|[[Rocket_Workbench|Rocket Workbench]]
|[[Rocket_Workbench|Rocket Workbench]]
|IconL=Rocket Calculator.svg
|IconL= <!--filename of icon with extension (e.g. svg, png)-->
|
|IconR= <!--filename of icon with extension (e.g. svg, png)-->
|IconC=RocketWorkbench.svg
|IconC= <!--filename of icon with extension (e.g. svg, png)-->
}}
}}


</translate>
</translate>
{{Workbench Tools navi{{#translation:}}}} <!--use the Tools navi belonging to the workbench -->
{{Userdocnavi{{#translation:}}}}
{{Userdocnavi{{#translation:}}}}
[[Category:Addons{{#translation:}}]]
[[Category:External Workbenches{{#translation:}}]]

Revision as of 04:25, 11 March 2021

Other languages:

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.


Vent Hole Size Calculator

Menu location
Rocket → Calculators... → Vent Hole Size Calculator
Workbenches
Rocket Workbench
Default shortcut
None
Introduced in version
0.19
See also
None

Description

This calculator determines the minimum size of vent holes for barometric altimeters based on the volume of the space and the number of vent holes.

Usage

  1. There are several ways to invoke the command:
    • Press the Vent Hole Size Calculator button.
    • Select the Rocket → Calculators... → Vent Hole Size Calculator option from the menu.
  2. Enter the parameters of your electronics bay.

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)