Share Facebook Twitter LinkedIn Pinterest Bluesky Threads I see the beast going up an incline (I’ve never watched a rollout event before). Does the platform perform a leveling maneuver on the way up? Is that what I’m observing? Thanks! https://i.redd.it/b293fou84zdg1.jpeg
ex0e on January 17, 2026 9:06 pm The crawler has the JEL system (jacking, equalizing, leveling) to keep it stable and level You can read more (and just about everything related to SLS) in this [NASA pdf](https://share.google/Kt9YbtxVbwN17CGjo)
peaktopview on January 17, 2026 9:07 pm The crawlers do have a hydraulic leveling system for the launch platform
chrishirst on January 17, 2026 9:15 pm The crawler-transporter is self levelling and maintains the mobile launcher platform and the vehicle level to within 10 minutes of arc (0.16 degrees)
CFCYYZ on January 17, 2026 11:20 pm Good luck NASA! Function may dictate form, but I still think that the Saturn V and Shuttle had a baby called SLS.
4 Comments
The crawler has the JEL system (jacking, equalizing, leveling) to keep it stable and level
You can read more (and just about everything related to SLS) in this [NASA pdf](https://share.google/Kt9YbtxVbwN17CGjo)
The crawlers do have a hydraulic leveling system for the launch platform
The crawler-transporter is self levelling and maintains the mobile launcher platform and the vehicle level to within 10 minutes of arc (0.16 degrees)
Good luck NASA! Function may dictate form, but I still think that the Saturn V and Shuttle had a baby called SLS.