Strengthened Legs for Lunar Landing: Chandrayaan-3’s Enhanced Stability at 3 m/sec

India’s ambitious lunar mission, Chandrayaan-3, is set to make a significant leap in space exploration with its enhanced landing capabilities. The lander, unlike its predecessors, does not have wheels but is equipped with strengthened legs designed to touch down on the lunar surface at a speed of 3 m/sec or 10.8 km/hour. This innovative design feature is expected to ensure a stable landing and pave the way for future lunar missions.

Understanding the Design of Chandrayaan-3’s Legs

The design of Chandrayaan-3’s legs is a result of meticulous planning and advanced engineering. The legs, or stilts, are built to absorb the impact of the landing and stabilize the lander on the lunar surface. The strengthening of the legs is a significant upgrade from previous models, allowing the lander to touch down at higher speeds without compromising stability.

Why Strengthened Legs?

The decision to strengthen the legs of Chandrayaan-3 was driven by the need to ensure a successful and stable landing on the moon’s surface. The lunar surface is known for its uneven terrain and the presence of craters, which can pose challenges to a smooth landing. By strengthening the legs, the lander can withstand the impact of landing at a speed of 3 m/sec, thereby increasing the chances of a successful mission.

How Does it Work?

The strengthened legs work by absorbing the shock of the landing. They are designed to flex and bend to some extent, which helps to distribute the force of the impact. This reduces the risk of damage to the lander and ensures that it remains stable after touchdown. The legs are also equipped with sensors that provide real-time data on the landing process, allowing for necessary adjustments to be made.

Implications for Future Lunar Missions

The successful implementation of strengthened legs in Chandrayaan-3 could have significant implications for future lunar missions. It could pave the way for the development of more robust and resilient landers capable of landing on more challenging terrains. This could potentially expand the scope of lunar exploration and increase our understanding of the moon.


The strengthened legs of Chandrayaan-3 represent a significant advancement in lunar landing technology. By ensuring a stable landing at higher speeds, they increase the chances of a successful mission and pave the way for future advancements in space exploration. As we look forward to the launch of Chandrayaan-3, it is clear that the mission holds great promise for the future of lunar exploration.