Chris Combs (iterative design enjoyer) ✓

@DrChrisCombs · San Antonio, TX · joined 12 Sep 2018

Briscoe Distinguished Professor @UTSA Hypersonics, aerospace engineering, fluids, aerodynamics, propulsion, energy, lasers, imaging, sports science 🚀✈️💥🔥

48 532Followers

883Following

28 844Posts total

2.8MViews on collected posts

Derniers posts

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs12 Sep

https://t.co/jve2FP8TzF

5K views · 77 likes · 1 reposts · 0 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs11 Sep

https://t.co/9XlO2d1Du8

2.9K views · 26 likes · 0 reposts · 0 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs11 Sep

F-35’s AN/AAQ-37 DAS tracking the First Launch of SpaceX’s Falcon 9 rocket until Second Stage burnout in the LOE from >800 miles/1300km away as part of Ballistic Missile Defence capabilities https://t.co/QLi6Zdoypn

1:27

301.8K views · 1.2K likes · 98 reposts · 16 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs9 Sep

https://t.co/Voy37k1HCQ

297.4K views · 5.1K likes · 270 reposts · 23 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs8 Sep

Wake me up when the clankers can reliably predict transition to turbulence 14.4K views · 358 likes · 23 reposts · 11 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs8 Sep

Some thoughts on the Navier-Stokes news from a professor of aerospace engineering: 1) take a deep breath 2) posts indicating we "solved Navier-Stokes" are incorrect and overblown. A very specific mathematical proof involving a niche scenario for Navier-Stokes has *potentially* 990.6K views · 5.4K likes · 845 reposts · 174 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs22 Aug

@DrChrisCombs When you let go of the balloon while you’re blowing it up 8.8K views · 248 likes · 1 reposts · 9 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs22 Aug

@DrChrisCombs It's fine. They can just revert to the vehicle assembly bay. https://t.co/MU9xu0z2Hp

10.4K views · 367 likes · 0 reposts · 2 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs21 Aug

@DrChrisCombs Wow. Does nobody on that side of the world include a FTS in their rocket?? 5.9K views · 93 likes · 2 reposts · 5 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs21 Aug

Taiwanese rocket test straight to the "space is hard" hall of fame https://t.co/HGAp0ZeWcW

0:40

1.2M views · 8.8K likes · 564 reposts · 527 replies Open on X →

Chris Combs (iterative design enjoyer) ✓@DrChrisCombs1 Sep 2020

THIS IS NOT A SONIC BOOM Okay folks, it’s been long enough. Time to finally address the biggest point of confusion on #AvGeek twitter: what exactly is going on with vapor cones? Let’s just say much of what you’ve read is (probably) wrong. Wonder no more: a thread... 1/n https:/

GIF

0 views · 3.8K likes · 916 reposts · 180 replies Open on X →

Face aux comptes de taille comparable

10 posts des 90 derniers jours, à côté de la tranche de 10K–100K abonnés. diffusé à plus de monde que les comptes de taille comparable.

Vues médianes12 366ce compte989médiane pour 10K–100K

Portée, %25.48%ce compte3.87%médiane pour 10K–100K

Engagement, %1.63%ce compte1.53%médiane pour 10K–100K

Indicateur	Ce compte	Médiane pour 10K–100K	Rapport
Vues médianes par post	12 366	989	12.5×
Portée (vues ÷ abonnés)	25.48%	3.87%	6.58×
Taux d'engagement	1.63%	1.53%	1.06×

Autres comptes de cette tranche → Comparer avec un autre compte → Comment ces repères sont établis →

Growth & engagement

How the posts we collected actually performed: views and reaction rate post by post, what the audience did with them, and where the follower count goes.

Views per post

1.2M21 Aug

5.9K

10.4K22 Aug

8.8K

990.6K8 Sep

14.4K

297.4K9 Sep

301.8K11 Sep

2.9K

5K12 Sep

Last 10 collected posts, oldest on the left. The scale is logarithmic: one post can outrun the rest a hundred times over.

Engagement rate per post

0.83%21 Aug

1.71%

3.56%22 Aug

2.93%

0.65%8 Sep

2.73%

1.82%9 Sep

0.45%11 Sep

0.91%

1.55%12 Sep

Reactions — likes, reposts, replies and quotes — divided by views. Median for 10K–100K accounts is 1.53%.

What the audience does

Likes77.0%21 736 in total

Reposts6.4%1 804 in total

Replies2.7%767 in total

Quotes0.6%183 in total

Bookmarks13.2%3 727 in total

Share of every reaction we collected for this account. Replies mean argument, reposts mean endorsement, bookmarks mean the post was worth keeping.

Followers by day

9 Sep

Daily snapshots since 09 Sep 2026; the dashed line is the starting count.