Using a Class N rocket motor, the High Steaks rocket reached about 8500m, earlier this year. I think Joe abandoned the thrust vector control for control surface

Using a Class N rocket motor, the High Steaks rocket reached about 8500m, earlier this year. I think Joe abandoned the thrust vector control for control surfaces within the fins to stabilise rotation. https://www.youtube.com/watch?v=9UX7NJLYyb4 https://www.youtube.com/watch?v=9UX7NJLYyb4