Aaed Musa writes:
On May 31st, 2024, I uploaded a video titled High Precision Speed Reducer Using Rope, where I built a niche speed reducer called a capstan drive. Little did I know that this video would go viral and brand me as the “capstan guy”. Roughly 2 years later, this is still my highest-viewed video, and I still get lots of emails and DMs about capstan drives. About a year after making that video, I created CARA, a quadrupedal robot that used capstan drives. Now, a year later after that, I’ve built CARA 2.0, an upgraded version of CARA.
Overall, I would call this project a success. We were able to slash the cost of CARA 1.0 in half while retaining dynamic functionality and even improving in a lot of areas. While we didn’t quite hit the $1,000 price goal, $1,450 for a quadrupedal robot is still really good. I don’t think it’s an understatement to say that CARA 2.0 is one of the cheapest and most dynamic quadrupedal robots that can be made on a hobbyist level.
See the video below and more in the post here.
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