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Alfredo Escolano Lopez, Rob McDonald8

3:17 PM

Closing trailing edge

I attach the .txt file of the section 43. El viernes, 24 de julio de 2026 a las 20:58:42 UTC+2, Rob

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Closing trailing edge

I attach the .txt file of the section 43. El viernes, 24 de julio de 2026 a las 20:58:42 UTC+2, Rob

3:17 PM

HARISH KARTHICK AERO

10:34 AM

Accessing and changing the m_PropBladesMode

Hello everyone, I've been working on Python API for OpenVSP for almost a month now but only with

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Accessing and changing the m_PropBladesMode

Hello everyone, I've been working on Python API for OpenVSP for almost a month now but only with

10:34 AM

Demetrio Cucarella

Jul 23

Undergraduate thesis on propeller-wing/fuselage interference

Hi Brandon, My name is Demetrio Cucarella, and I am an undergraduate Aerospace Engineering student at

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Undergraduate thesis on propeller-wing/fuselage interference

Hi Brandon, My name is Demetrio Cucarella, and I am an undergraduate Aerospace Engineering student at

Jul 23

Esther Barros Gomes, Rob McDonald4

Jul 21

Best practice for modeling bi-directional endplates (up and down) for VLM stability derivatives?

Ok, the Cull Orphans flag is not going to be useful for you. I'm not sure -- I would try aligning

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Best practice for modeling bi-directional endplates (up and down) for VLM stability derivatives?

Ok, the Cull Orphans flag is not going to be useful for you. I'm not sure -- I would try aligning

Jul 21

Jaime García, Rob McDonald9

Jul 21

Help needed with Unsteady analysis: store dropped

Hi Rob, I wanted to follow up and share that I've managed to resolve the issue! It turned out to

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Help needed with Unsteady analysis: store dropped

Hi Rob, I wanted to follow up and share that I've managed to resolve the issue! It turned out to

Jul 21

Rob McDonald, … Jaime García5

Jul 21

OpenVSP 3.51.1 Released

Glad to hear it -- I did use your test case as a stress test during this process. That said, the

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OpenVSP 3.51.1 Released

Glad to hear it -- I did use your test case as a stress test during this process. That said, the

Jul 21

Julien, Rob McDonald3

Jul 20

Calculation of CDo in VSPAERO

Thanks Rob! I will also check again on my side if I can find an explanation for why the velocity

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Calculation of CDo in VSPAERO

Thanks Rob! I will also check again on my side if I can find an explanation for why the velocity

Jul 20

Koaib Kaleem, … Rob McDonald16

Jul 17

Sydney Standard Aerodynamic Models (SSAM) Fifth Generation Benchmark Model Aircraft

You can pretty much go down to a very small non-zero value. The zero value is usually used as a way

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Sydney Standard Aerodynamic Models (SSAM) Fifth Generation Benchmark Model Aircraft

You can pretty much go down to a very small non-zero value. The zero value is usually used as a way

Jul 17

Augustine Bageanis, … Minh Nguyen Ngoc14

Jul 17

Hi there, Its 2026, it seems no new update significantly on customization of VSPAERO PQR analysis on

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Hi there, Its 2026, it seems no new update significantly on customization of VSPAERO PQR analysis on

Jul 17

Brandon Litherland, … Rob McDonald6

Jul 15

Re: Extensive runtime for wing analysis

You turned on the 'Negative Volume' flag on the Fuselage geometry. It is on the first tab.

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Re: Extensive runtime for wing analysis

You turned on the 'Negative Volume' flag on the Fuselage geometry. It is on the first tab.

Jul 15

Jaime García, Rob McDonald9

Jul 15

Query: Scripting API access for SubSurface Intersect (Windows v3.51)

When you copy/paste the geometry, it likely needs an additional Update. I would consider changing the

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Query: Scripting API access for SubSurface Intersect (Windows v3.51)

When you copy/paste the geometry, it likely needs an additional Update. I would consider changing the

Jul 15

Jaime García, Rob McDonald5

Jul 14

New CustomGeom Scripts Available on Airshow: Parametric Fuselage Generator & Passenger Seat Group Array

I just took a quick look -- I'm not going to be able to help much (any). The time is not going

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New CustomGeom Scripts Available on Airshow: Parametric Fuselage Generator & Passenger Seat Group Array

I just took a quick look -- I'm not going to be able to help much (any). The time is not going

Jul 14

Mano, Brandon Litherland4

Jul 14

smooth hub transition

"Proper" meaning what, specifically? Are you using VSPAERO to produce loads to apply to a

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smooth hub transition

"Proper" meaning what, specifically? Are you using VSPAERO to produce loads to apply to a

Jul 14

Mike Vivaldi, … Zach Hazen9

Jul 11

Result interpretation

Sounds exciting. Thanks. On Sunday, July 12, 2026 at 2:30:42 AM UTC+12 Rob McDonald wrote: We are

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Result interpretation

Sounds exciting. Thanks. On Sunday, July 12, 2026 at 2:30:42 AM UTC+12 Rob McDonald wrote: We are

Jul 11

Koaib Kaleem, … Brandon Litherland11

Jul 10

Missing Slices from Planar Analysis

also the dimensions of teh stl file taht i had shared in prev post is meteres, to get full scale

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Missing Slices from Planar Analysis

also the dimensions of teh stl file taht i had shared in prev post is meteres, to get full scale

Jul 10

Cooper Cook, Rob McDonald3

Jul 9

Geometry Analysis Make MeshGeom Via API

Hi Rob, Thank you for the confirmation. I've reported it as an issue. I'd be happy to compile

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Geometry Analysis Make MeshGeom Via API

Hi Rob, Thank you for the confirmation. I've reported it as an issue. I'd be happy to compile

Jul 9

Akarsh Shetty, Brandon Litherland2

Jul 8

OpenVSP Fuselage modelling best practices

You will have to be more specific. Please post an example of what you are trying to accomplish. Are

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OpenVSP Fuselage modelling best practices

You will have to be more specific. Please post an example of what you are trying to accomplish. Are

Jul 8

Omer Kandemir, Rob McDonald2

Jul 7

CreateAndAddBogie Python Interface

It looks like I neglected to add Bogie Add/Delete/List type routines to the API when I added GearGeom

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CreateAndAddBogie Python Interface

It looks like I neglected to add Bogie Add/Delete/List type routines to the API when I added GearGeom

Jul 7

Jul 6

Aerostructural analysis for propellers

Is there a way to write centrifugal loads to calculix input file (or other solvers) from Openvsp?

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Aerostructural analysis for propellers

Is there a way to write centrifugal loads to calculix input file (or other solvers) from Openvsp?

Jul 6

Shakil Salim, Koaib Kaleem3

Jul 5

Questions regarding mesh control, VSPAERO settings, and best practices for drag/performance analysis

Dear Rob, Could you help me on that? On Thursday, July 2, 2026 at 12:13:28 PM UTC-7 Koaib Kaleem

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Questions regarding mesh control, VSPAERO settings, and best practices for drag/performance analysis

Dear Rob, Could you help me on that? On Thursday, July 2, 2026 at 12:13:28 PM UTC-7 Koaib Kaleem

Jul 5

Mark Rostron, Zach Hazen2

Jul 4

- canard subsurface L/C set to 0.5 (was 1.0, leading edge) - fuselage width XSEC3 made more narrow,

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- canard subsurface L/C set to 0.5 (was 1.0, leading edge) - fuselage width XSEC3 made more narrow,

Jul 4

Jul 3

Stability, controllability and Handling characteristics

Hello everyone, I don't know if somebody is cooking it already but I would do "something

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Stability, controllability and Handling characteristics

Hello everyone, I don't know if somebody is cooking it already but I would do "something

Jul 3

marco, … Shakil Salim22

Jul 1

prandtl-d wing with bell shaped lift distribution in VSPAERO

Does anyone know the main differences between the Prandtl-D1, D2, and D3c models? Thanks, Shakil On

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prandtl-d wing with bell shaped lift distribution in VSPAERO

Does anyone know the main differences between the Prandtl-D1, D2, and D3c models? Thanks, Shakil On

Jul 1

Jun 29

OpenVSP 3.51.0 Released

Mid-summer OpenVSP (at least in the Northern Hemisphere) -- a handful of features and some nice bug

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OpenVSP 3.51.0 Released

Mid-summer OpenVSP (at least in the Northern Hemisphere) -- a handful of features and some nice bug

Jun 29

Steve, Rob McDonald10

Jun 29

Problem with CDtot values

I somehow still get these unreasonable results, although I have used it repeatedly. I'm on a

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Problem with CDtot values

I somehow still get these unreasonable results, although I have used it repeatedly. I'm on a

Jun 29

Jun 29

OpenVSP crashes after clicking Wave Drag analysis

Hello, I am using OpenVSP 3.48.2 to analysis wave drag, and it crashes instantly after clicking Wave

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OpenVSP crashes after clicking Wave Drag analysis

Hello, I am using OpenVSP 3.48.2 to analysis wave drag, and it crashes instantly after clicking Wave

Jun 29

Yasushi Morikawa, Brandon Litherland3

Jun 28

Problem of mesh

Thank you for your kind reply. 2026年6月27日土曜日 7:38:04 UTC+9 Brandon Litherland: 8f everything ran to

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Problem of mesh

Thank you for your kind reply. 2026年6月27日土曜日 7:38:04 UTC+9 Brandon Litherland: 8f everything ran to

Jun 28

Shakil Salim, Rob McDonald7

Jun 28

Control surface issue

Putting the wing in the Thin Set and the body in the Thick Set is a very reasonable approach -- that

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Control surface issue

Putting the wing in the Thin Set and the body in the Thick Set is a very reasonable approach -- that

Jun 28

Edward Pickens, Rob McDonald2

Jun 26

Box wing optimization

I would likely work with a single wing wrapped around -- that should take care of most of the

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Box wing optimization

I would likely work with a single wing wrapped around -- that should take care of most of the

Jun 26

rao jiexi, Rob McDonald2

Jun 26

Ground-Effect Vehicle Model in OpenVSP

Have you tried making a model? The whole point of OpenVSP is that it should be easy to make a model,

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Ground-Effect Vehicle Model in OpenVSP

Have you tried making a model? The whole point of OpenVSP is that it should be easy to make a model,

Jun 26

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