NASA Jet Propulsion Laboratory · legged machine
LEMUR 3
Freeclimber
The third robot in JPL's LEMUR (Legged Excursion Mechanical Utility Robot) line, built to walk, crawl and climb in extreme terrain for possible Mars, Moon and small-body missions. Each of its four limbs has seven degrees of freedom.
- Price
- —Not published
- Height
- —Not published
- Weight
- —Not published
- Payload
- —Not published
- Speed
- —Not published
- Battery
- —Not published
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Why it matters
A four-limbed climbing robot that grips rock with microspine grippers made of thousands of tiny hooks.
Real-world use
NASA research
Maker
NASA Jet Propulsion LaboratoryGovernment lab · Pasadena, California, USANASA; DARPA (RoboSimian)
How it stacks up
Against other legged & novel that publish the figure. Pick a measure.
LEMUR 3 (Freeclimber) has more joints than 81% of the 16 other legged & novel that publish a joints. Bars show the 7 closest in date.
Not published by the maker: height, weight, speed, payload, battery, price.
Public attention
How much public attention LEMUR 3 (Freeclimber) gets, from open data.
- No Wikipedia article of its own yet
- No recent press stories listed yet
Measures how much people read and write about a robot, not how good it is. Measured 2026-10-13; same method for every robot. How it is measured
What’s inside
The parts the company has talked about publicly.
- Movement
- Walks on legs · 28 joints
- How it runs
- Supervised. In field tests researchers set a target point and it chose its own climbing path with lidar, anchored by a safety cable.
- Actuators & motors
- Four limbs with seven DoF each.
- Hands
- Microspine grippers using thousands of small hooks to grip rough rock.
- Sensors & vision
- JPL lists seven sets of stereo cameras and a lidar (the page appears to share this text with RoboSimian).
- Other details
- Crawls, walks and climbs; aimed at cliffs and caves on Mars, the Moon and small bodies. Sponsored by NASA's Science Mission Directorate.
Lineage
Every NASA Jet Propulsion Laboratory machine in order.
Watch LEMUR 3 (Freeclimber)
Made, sold and where
Unit counts are usually company figures; analysts often disagree.
- Price
- Not published
- How to get one
- No official buying page found
- Built
- Research robot
- Sold or delivered
- not sold
- Where it is sold or used
- NASA JPL, Pasadena, California
- Customers and pilots
- NASA research
Sources
Figures come from the maker. Every link below backs something on this page.
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