RoveMax Model S2

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RoveMax Model S2
Part image
Rover wheel by
Kerbal Motion LLC

Radial size Radial mounted
Cost (total) 300.00 Funds
Mass (total) 0.05 t
Drag 0.2-0.3
Max. Temp. 1200 K
Volume  ?
Impact Tolerance 20 m/s
Research Space exploration.png Space Exploration
Unlock cost 3 100 Funds
Since version 0.19
Part configuration roverWheelS2.cfg
Retractable No
Brake torque 0.3 kNm
Steering range 30.0
Max. speed 12.0 m/s
Electricity used 1.0 ⚡/s

The RoveMax Model S2 is a small rover wheel used for construction of land-based vehicles.


The Model S2 is the smallest, lightest, and cheapest of the rover wheels available, but also the slowest and weakest wheel. On level ground a player can theoretically drive at the maximum speed of 12.0 m/s, but depending on the size of the craft, wind resistance, and vehicle dynamics the top speed on level ground will actually be less than 12.0 m/s.

While under full load, the RoveMax Model S2 wheel drains 1.0 electric charge per second (3600 E/hr). When accelerating from zero one can expect maximal charge drainage, but when maintaining a high speed on level ground charge drainage will be low. This all depends on the motor output and can be monitored by right clicking the wheel.

When designing a rover it is important to make sure the wheel is not blocked by other parts or it will not function. It might be necessary to leave extra space near the wheel since the suspension can travel up to 0.2 m.

The RoveMax Model S2's wheels are steerable like a car and have a range of 30°. The brakes generate only 0.3 kNm of torque, though this will be suitable for small rovers. The wheels have a stress tolerance of 315.0 which can be monitored in the right click menu. Exceeding the tolerance will damage the wheels. The stress tolerance appears to be based more on the vehicle dynamics as a result of aggressive maneuvering as opposed to crash tolerance which is based on impacts.

Product description

Seeing an untapped market for a smaller design of rover wheel, Kerbal Motion quickly pounced upon this opportunity with the Model 2 - designed for robotic vehicles or smaller crewed vehicles.

Kerbal Motion LLC


  • Moved from Utility to Ground
  • Moved from Field Science to Space Exploration
  • Substantial changes to physics and part values
  • Renamed from RoveMax Model 2 to RoveMax Model S2
  • Initial release