adrians3109 .. thank ..
YELLOW-CRAWLER behaves quite well on the rock ..
I will soften its tires somewhat ..
The servo direction is not very strong, maybe I should change it.
((( Initially, the two videos are similar, but later there are some differences.)))
THANK ..
[youtube]http://www.youtube.com/watch?v=QQ1YQCBDsHo[/youtube]