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Mike Novikov, Rob McDonald14

1:24 AM

OpenVSP 3.52.1. Strange values of roll , pitch and yaw moments.

Sorry, when the spreadsheet opened, it was scrolled to the right (missing a bunch of the first

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OpenVSP 3.52.1. Strange values of roll , pitch and yaw moments.

Sorry, when the spreadsheet opened, it was scrolled to the right (missing a bunch of the first

1:24 AM

Rob McDonald, Mike Kelly7

Oct 7

OpenVSP 3.54.0 Released

That is exactly the idea behind Split and Stitch. let me know how they work for you (and if it is an

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OpenVSP 3.54.0 Released

That is exactly the idea behind Split and Stitch. let me know how they work for you (and if it is an

Oct 7

Oct 7

OpenVSP Propeller Analysis: Difference in Thrust Between Imported and Manually Defined Airfoil

Hello, I am working on a simple propeller analysis in OpenVSP/VSPAERO. I noticed a significant

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OpenVSP Propeller Analysis: Difference in Thrust Between Imported and Manually Defined Airfoil

Hello, I am working on a simple propeller analysis in OpenVSP/VSPAERO. I noticed a significant

Oct 7

Brandon Litherland

Oct 7

Test from email

Testing sending a post to group from email instead of direct post.

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Test from email

Testing sending a post to group from email instead of direct post.

Oct 7

David Clemens, Rob McDonald3

Oct 5

Issue / weird behaviour when using TE Closure on blended sections.

There isn't really a solution at this time. OpenVSP must interpolate the airfoils across a

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Issue / weird behaviour when using TE Closure on blended sections.

There isn't really a solution at this time. OpenVSP must interpolate the airfoils across a

Oct 5

Michele Tuccillo, … Rob McDonald4

Oct 2

Wing-Propeller Unsteady Pressure Export for Noise Analysis

Many thanks for your quick feedbacks and suggestions. I will set up a simple test case ( Python 3.11,

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Wing-Propeller Unsteady Pressure Export for Noise Analysis

Many thanks for your quick feedbacks and suggestions. I will set up a simple test case ( Python 3.11,

Oct 2

Oct 2

Two VSPAERO propeller geometry issues: blade–hub intersection and cylindrical foil camber surface

Hi, I am currently using OpenVSP/VSPAERO to analyze a propeller with a hub, and I have encountered

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Two VSPAERO propeller geometry issues: blade–hub intersection and cylindrical foil camber surface

Hi, I am currently using OpenVSP/VSPAERO to analyze a propeller with a hub, and I have encountered

Oct 2

CEM ALBUKREK, Rob McDonald3

Sep 30

Slices with pseudocolor plots of velocity components

Thank you very much, Rob. I will look into the package. In the meanwhile I used thr sampling feature

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Slices with pseudocolor plots of velocity components

Thank you very much, Rob. I will look into the package. In the meanwhile I used thr sampling feature

Sep 30

Luka Porenta, Rob McDonald2

Sep 30

FEA Property and FEA Material

Materials and Properties are containers, there is a method to set the name of a container https://

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FEA Property and FEA Material

Materials and Properties are containers, there is a method to set the name of a container https://

Sep 30

Yasushi Morikawa, Rob McDonald6

Sep 28

Setting of Thin Set and Thick Set

I made a simple test script 'test01.py' to investigate the cause of the problem. The problem

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Setting of Thin Set and Thick Set

I made a simple test script 'test01.py' to investigate the cause of the problem. The problem

Sep 28

Sep 25

OpenVSP 3.53.0 Released

Some cool related features, a bunch of library and build system updates and a handful of unimportant

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OpenVSP 3.53.0 Released

Some cool related features, a bunch of library and build system updates and a handful of unimportant

Sep 25

Sep 19

OpenVSP 3.52.0 Released

OpenVSP 3.52.0 This one almost went out the door as a .4 bugfix-only release made from trimmings on

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OpenVSP 3.52.0 Released

OpenVSP 3.52.0 This one almost went out the door as a .4 bugfix-only release made from trimmings on

Sep 19

Sep 16

How to Build OpenVSP 3.51.3 RPM for RHEL/AlmaLinux 10 using Mock

Hi everyone, Here are step-by-step instructions for building a native OpenVSP 3.51.3 RPM for

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How to Build OpenVSP 3.51.3 RPM for RHEL/AlmaLinux 10 using Mock

Hi everyone, Here are step-by-step instructions for building a native OpenVSP 3.51.3 RPM for

Sep 16

Koaib Kaleem, Rob McDonald7

Sep 8

Non-zero induced drag (CDi) at CL≈0 — possible degenerate wing root XSec

right right thanks alot for taking out time to explain. On Wednesday, September 9, 2026 at 2:49:58 AM

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Non-zero induced drag (CDi) at CL≈0 — possible degenerate wing root XSec

right right thanks alot for taking out time to explain. On Wednesday, September 9, 2026 at 2:49:58 AM

Sep 8

Sep 8

.adb file not found

in reply to prev msg (not sure if it was sent) geom is attached; if the same geom has generated the

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.adb file not found

in reply to prev msg (not sure if it was sent) geom is attached; if the same geom has generated the

Sep 8

Sam Smith, … Rob McDonald9

Sep 8

Propeller performance curve with VSPaero

I think this match is amazingly good and I would be thrilled to have it. When plotted vs. J, we

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Propeller performance curve with VSPaero

I think this match is amazingly good and I would be thrilled to have it. When plotted vs. J, we

Sep 8

Mike Kelly, … Brandon Litherland4

Sep 3

Bogie GetParmVal

Rob: I think this is just a misunderstanding on my part on how the API works. In the case of wing

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Bogie GetParmVal

Rob: I think this is just a misunderstanding on my part on how the API works. In the case of wing

Sep 3

O Morandon, Rob McDonald3

Sep 3

Cut on elevators

Hello Rob, please find attached the horizontal tail. It works with the thin representation, there is

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Cut on elevators

Hello Rob, please find attached the horizontal tail. It works with the thin representation, there is

Sep 3

KAVIN P AERO, Rob McDonald2

Sep 1

Parameters measuring Axes from OpenVSP

Your message footer is inappropriate for this venue. Clearly, you have posted this message to a

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Parameters measuring Axes from OpenVSP

Your message footer is inappropriate for this venue. Clearly, you have posted this message to a

Sep 1

Jeff Robinson, … Koaib Kaleem4

Aug 27

Exporting Labeled Aircraft Design Data from OpenVSP

Thanks!!! Jeff Robinson 110 Brigham pl. Clayton NC 27527 919-247-7648 On Thu, Aug 27, 2026 at 12:06

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Exporting Labeled Aircraft Design Data from OpenVSP

Thanks!!! Jeff Robinson 110 Brigham pl. Clayton NC 27527 919-247-7648 On Thu, Aug 27, 2026 at 12:06

Aug 27

Mike Kelly, Rob McDonald3

Aug 27

Initial warnings after reading vsp3 file in Python

Thanks for the good info, Rob. I will ignore the control surface warnings, and I created a single

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Initial warnings after reading vsp3 file in Python

Thanks for the good info, Rob. I will ignore the control surface warnings, and I created a single

Aug 27

SV001R (SV-001/R), … Brandon Litherland6

Aug 24

Is there any temporary file for *.vsp3?

As you likely discovered, there are no autosave files. I also painfully experienced this just today

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Is there any temporary file for *.vsp3?

As you likely discovered, there are no autosave files. I also painfully experienced this just today

Aug 24

Aug 17

OpenVSP 3.51.3 Released

While this version breaks from the strict 'speed only' theme of .1 and .2, this release is

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OpenVSP 3.51.3 Released

While this version breaks from the strict 'speed only' theme of .1 and .2, this release is

Aug 17

Mike Kelly, Rob McDonald6

Aug 15

Python API Attributes

Glad that you got it to work. I won't say that we made it easy for you -- or for the AI. But AI

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Python API Attributes

Glad that you got it to work. I won't say that we made it easy for you -- or for the AI. But AI

Aug 15

Mike Vivaldi, Rob McDonald8

Aug 15

Conformal issue with fuselage

Thanks Rob, I will do the same then I just wanted to ensure doing so wouldn't break the file.

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Conformal issue with fuselage

Thanks Rob, I will do the same then I just wanted to ensure doing so wouldn't break the file.

Aug 15

Sean van Hees, Brandon Litherland3

Aug 12

Induced drag and influences

Thank you Brandon for the suggestion. I have given it a go, also improving the tessellation and

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Induced drag and influences

Thank you Brandon for the suggestion. I have given it a go, also improving the tessellation and

Aug 12

Koaib Kaleem, Brandon Litherland3

Aug 11

broken cfd mesh

I'd spend some more time making sure that the target mesh and your VSP model are aligned and that

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broken cfd mesh

I'd spend some more time making sure that the target mesh and your VSP model are aligned and that

Aug 11

Sean van Hees, Brandon Litherland2

Aug 11

Negative CL at low negative AoA

I really didn't change much besides the surface resolutions. No changes to geometry. I ran

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Negative CL at low negative AoA

I really didn't change much besides the surface resolutions. No changes to geometry. I ran

Aug 11

PKG, … Rob McDonald6

Aug 7

OpenVSP crashes immediately when loading vsp3 file after repeated Undo on Stack Rotation

I can't debug this properly until I'm back home, but here is the stack trace from the crash..

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OpenVSP crashes immediately when loading vsp3 file after repeated Undo on Stack Rotation

I can't debug this properly until I'm back home, but here is the stack trace from the crash..

Aug 7

Cooper Cook, Rob McDonald4

Aug 7

Geometry Analysis Name Via API

Yes, the Geometry Analysis is a Container. There is a method in the API to set the Name of a

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Geometry Analysis Name Via API

Yes, the Geometry Analysis is a Container. There is a method in the API to set the Name of a

Aug 7

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