Kelus Mobility Enhancer

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Kelus Mobility Enhancer
Part image
Ladder by
Rokea Inc

Radial size Radial mounted
Cost (total) 350.00 Funds
Mass (total) 0.00500 t [N 1]
Drag 0.2 [N 1]
Max. Temp. 2000 K
Volume 50 l
Impact Tolerance 8 m/s
Research Advanced exploration.png Advanced Exploration
Unlock cost 3 100 Funds
Since version 0.16
Part configuration ladderTelescopic.cfg
Extends Yes

  1. 1.0 1.1 The mass and drag are from the part config, but the game handles it as physicsless.

The Kelus Mobility Enhancer is a telescopic ladder Kerbals can climb on during EVAs. It is the second-longest ladder of all stock parts.

Product description

The Kelus Mobility Enhancer comes equipped with advanced telescopic extension technology. Recommended load 0.5 kerbals. After discovering that their name was already in use, Kelus picked their current name with the flip of a coin.

Rokea Inc


When the Kelus Mobility Enhancer is attached to a vessel, it starts out in compact in the closed position and extends from its protective case when activated via clicking on it. The extended ladder allows Kerbals to grab onto it at any point and move vertically. Kerbals cannot collide with the part either when it is stowed or extended. The only interaction via a Kerbal has with it is by grabbing the rungs and moving vertically. Kerbals can climb from one ladder to the next.

In the VAB and SPH, the ladder can be right-clicked and made to start extended or retracted.

Like other ladders, the Kelus Mobility Enhancer is a physicsless part.


Real-world comparison

  • The Kelus Mobility Enhancer appears to be inspired by the boarding ladder on the Fairchild-Republic A-10 ground attack aircraft. This collapsible ladder is utilized by the pilot to enter and exit the cockpit.

Name change

  • The part description refers to the ladder's name change in version 1.1.3; its original name was "Telus Mobility Enhancer".


  • Name changed from Telus Mobility Enhancer to Kelus Mobility Enhancer
  • Initial release