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Welcome to the MachUp Forum! We are excited for the opportunity to help the aerospace industry with our technology! Here you can find questions that have been asked by users on various topics regarding MachUp. Feel free to browse the forum to find answers you are looking for, but don't forget to share your knowledge about the program with others as well! Thanks again for your support!

- The Aero Lab Team

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John Smith, doug.hunsaker3

Sep 23

MachUp Web interfaces down

Thank you! It works now. On Monday, September 22, 2025 at 7:52:30 PM UTC-4 doug.hunsaker wrote:

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MachUp Web interfaces down

Thank you! It works now. On Monday, September 22, 2025 at 7:52:30 PM UTC-4 doug.hunsaker wrote:

Sep 23

Matei Struta-Roas, … John Smith3

Sep 18

Cant acces MAchup web interfaces.

Hello, it seems your MachUP web GUIs are down again, for 4,5,6. They were working as of Tuesday, but

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Cant acces MAchup web interfaces.

Hello, it seems your MachUP web GUIs are down again, for 4,5,6. They were working as of Tuesday, but

Sep 18

Jul 24

unable to download machup 4,5 or 6

anyone else having this issue where you cannot download the software?

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unable to download machup 4,5 or 6

anyone else having this issue where you cannot download the software?

Jul 24

Jun 4

Airfoil Database File Format

Hi, I'm working to include airfoil characteristics from experimental data I've gathered. I

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Airfoil Database File Format

Hi, I'm working to include airfoil characteristics from experimental data I've gathered. I

Jun 4

Jeremy Shurtleff4

Mar 20

Re: حبوب الاجهاض في الامارات - UAE UNITED EMIRATES حبوب سايتوتك الامارات - 00971553031846‎‏

حبوب سايتوتك الخيار الافضل للإجهاض في السعودية الكويت الامارات تلي جرام وتساب |جربيها برشام اجهاض

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Re: حبوب الاجهاض في الامارات - UAE UNITED EMIRATES حبوب سايتوتك الامارات - 00971553031846‎‏

حبوب سايتوتك الخيار الافضل للإجهاض في السعودية الكويت الامارات تلي جرام وتساب |جربيها برشام اجهاض

Mar 20

Lev Chernyshev, … Baptiste Labat3

Mar 15

Modifying MachUpX for simulating hydrofoils

Hi, For those interested, I have seen that Lev Chenyshev has implemented the changes in a fork https:

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Modifying MachUpX for simulating hydrofoils

Hi, For those interested, I have seen that Lev Chenyshev has implemented the changes in a fork https:

Mar 15

Mar 12

أنظمة الأمان في المباني تبوك

تأثير التكنولوجيا على أنظمة الأمان في المباني الذكية في تبوك مقدمة مع التحول الرقمي المتسارع، أصبحت

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أنظمة الأمان في المباني تبوك

تأثير التكنولوجيا على أنظمة الأمان في المباني الذكية في تبوك مقدمة مع التحول الرقمي المتسارع، أصبحت

Mar 12

Feb 6

سايتوتيك الامارات اصبح بين يديك (00971553031846) اطلبه الان .

حبوب اجهاض خميس مشيط جازان الاحساء الامارات سايتوتك الامارات 2025، حبوب الاجهاض في الامارات بسعر 1500

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سايتوتيك الامارات اصبح بين يديك (00971553031846) اطلبه الان .

حبوب اجهاض خميس مشيط جازان الاحساء الامارات سايتوتك الامارات 2025، حبوب الاجهاض في الامارات بسعر 1500

Feb 6

Feb 4

حبوب سايتوتيك في الامارات لدى صيدلية النهدي الكتورة نور (00971553031846)

> أعلان | للبيع حبوب سايتوتك في الامارات ابوظبي الشارقه العين دبي تسليم > https://linktr.ee/

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حبوب سايتوتيك في الامارات لدى صيدلية النهدي الكتورة نور (00971553031846)

> أعلان | للبيع حبوب سايتوتك في الامارات ابوظبي الشارقه العين دبي تسليم > https://linktr.ee/

Feb 4

Jeremy Shurtleff2

Feb 2

حبوب سايتوتيك للبيع في الامارات - Re: UAE UNITED EMIRATES 00971553031846

سايتوتك موسم الامارات - 00971553031846 واتساب تليجرام ❇ ❈ ((!!௵[© ) معتمدة 00971553031846شراء حبوب

unread,

حبوب سايتوتيك للبيع في الامارات - Re: UAE UNITED EMIRATES 00971553031846

سايتوتك موسم الامارات - 00971553031846 واتساب تليجرام ❇ ❈ ((!!௵[© ) معتمدة 00971553031846شراء حبوب

Feb 2

Mohammed Juzer, Cory Goates2

12/2/24

Not able to Export as STL

Which version of MachUp are you using? On Monday, November 18, 2024 at 3:51:39 AM UTC-7 Mohammed

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Not able to Export as STL

Which version of MachUp are you using? On Monday, November 18, 2024 at 3:51:39 AM UTC-7 Mohammed

12/2/24

Peter Kämpf, Cory Goates11

8/8/24

no module named 'airfoil_db'

For a MacPort installation the modules go into /Library/Frameworks/Python.framework/Versions/3.12/lib

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no module named 'airfoil_db'

For a MacPort installation the modules go into /Library/Frameworks/Python.framework/Versions/3.12/lib

8/8/24

Rahmathulla P, Cory Goates2

8/6/24

Pylot installation error

Hi Rahmat This is an issue that quite a few others have had, and, unfortunately, I've not had the

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Pylot installation error

Hi Rahmat This is an issue that quite a few others have had, and, unfortunately, I've not had the

8/6/24

Arthur Williams, Cory Goates2

8/6/24

Hi Arthur You're welcome! So there is a difference between force in the x direction and drag.

unread,

Hi Arthur You're welcome! So there is a difference between force in the x direction and drag.

8/6/24

7/28/24

Initial test "FlyingWing" after MachUp installation

Hi, I just installed MachUp from https://github.com/usuaero/MachUp/tree/dev_lowra and ran the initial

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Initial test "FlyingWing" after MachUp installation

Hi, I just installed MachUp from https://github.com/usuaero/MachUp/tree/dev_lowra and ran the initial

7/28/24

7/25/24

Feature working in MachUp4 but not in MachUp5

Hello, I made a geometry in MachUp5 and tried (multiple times) to analyze its aerodynamic center, but

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Feature working in MachUp4 but not in MachUp5

Hello, I made a geometry in MachUp5 and tried (multiple times) to analyze its aerodynamic center, but

7/25/24

Shubham Bedke, Mathiyazhagan RJ9

7/2/24

Assistance with Understanding MachUp 6 Parameters

Thank you for guidance. On Tuesday, July 2, 2024 at 5:40:38 PM UTC+5:30 Mathiyazhagan RJ wrote: You

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Assistance with Understanding MachUp 6 Parameters

Thank you for guidance. On Tuesday, July 2, 2024 at 5:40:38 PM UTC+5:30 Mathiyazhagan RJ wrote: You

7/2/24

6/22/24

Unable to connect to machup server

I've been unable to connect to any machup website versions especially machup4 which I'm

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Unable to connect to machup server

I've been unable to connect to any machup website versions especially machup4 which I'm

6/22/24

6/20/24

Unable to access any Machup Version

I can't access any of the Machup Versions online. Every time I go to the website, this pops up. I

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Unable to access any Machup Version

I can't access any of the Machup Versions online. Every time I go to the website, this pops up. I

6/20/24

Dogukan Cicek, Cory Goates2

5/23/24

Wing Params for mh60

Are you looking for recommendations for what to specify, or clarification about what MachUp is asking

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Wing Params for mh60

Are you looking for recommendations for what to specify, or clarification about what MachUp is asking

5/23/24

Mathiyazhagan RJ, Cory Goates2

5/23/24

Airfoil drag Coefficients

CD,L and CD,L2 come from plotting the drag versus lift and fitting a parabola. CD,L is the linear

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Airfoil drag Coefficients

CD,L and CD,L2 come from plotting the drag versus lift and fitting a parabola. CD,L is the linear

5/23/24

Moises Brambila, Cory Goates3

5/23/24

Fixed! That was a fun one to figure out :) On Thursday, May 23, 2024 at 3:53:55 PM UTC-6 Cory Goates

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Fixed! That was a fun one to figure out :) On Thursday, May 23, 2024 at 3:53:55 PM UTC-6 Cory Goates

5/23/24

krittik vemuri, Cory Goates2

5/23/24

Choosing a softwarre

I'd recommend MachUpX, since you're dealing with a swept wing. On Wednesday, February 21,

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Choosing a softwarre

I'd recommend MachUpX, since you're dealing with a swept wing. On Wednesday, February 21,

5/23/24

4/1/24

Is anyone else having issues with the web based MachUp?

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Is anyone else having issues with the web based MachUp?

4/1/24

Rahmathulla P, Cory Goates5

1/3/24

PyProp: Unable to run Optimizer

Hi Rahmat Sorry for the delayed response. It's been a busy couple of weeks for me. I will try to

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PyProp: Unable to run Optimizer

Hi Rahmat Sorry for the delayed response. It's been a busy couple of weeks for me. I will try to

1/3/24

Moises Brambila, Cory Goates9

12/9/23

File not found error for .dxf file

Hello again. Sorry for the delay in responding. I have downloaded and installed the up to date

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File not found error for .dxf file

Hello again. Sorry for the delay in responding. I have downloaded and installed the up to date

12/9/23

Rahmathulla P, Cory Goates2

11/20/23

pyprop: prop database validation

Hi Rahmat The APC data comes from what is (or at least was; this was about 5 years ago) published on

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pyprop: prop database validation

Hi Rahmat The APC data comes from what is (or at least was; this was about 5 years ago) published on

11/20/23

Rahmathulla P, Cory Goates12

10/20/23

Code for aircraft performance, stability and design modifications

Hi Rahmat If you just specify the angle of attack and velocity and call "solve_forces",

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Code for aircraft performance, stability and design modifications

Hi Rahmat If you just specify the angle of attack and velocity and call "solve_forces",

10/20/23

Sarmad Asad, Cory Goates4

10/16/23

Stall Airspeed and Aerodynamic centre NOT WORKING IN machup5

Sorry I don't have access to the MU5 code, but I'll pass your concern on. On Saturday,

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Stall Airspeed and Aerodynamic centre NOT WORKING IN machup5

Sorry I don't have access to the MU5 code, but I'll pass your concern on. On Saturday,

10/16/23

Rahmathulla P, Cory Goates4

10/3/23

Defining ‘trailing_flap_deflection’, and ‘trailing_flap_fraction’ for "linear" airfoils

Hi Rahmathulla Yep you should only need to define angle of attack when you're creating a database

unread,

Defining ‘trailing_flap_deflection’, and ‘trailing_flap_fraction’ for "linear" airfoils

Hi Rahmathulla Yep you should only need to define angle of attack when you're creating a database

10/3/23

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