Rockoons

[Winston]

Rockoons

https://en.wikipedia.org/wiki/Rockoon#Early_atmospheric_research

https://en.wikipedia.org/wiki/Non-rocket_spacelaunch#Balloon

https://www.jpaerospace.com/rockoons.html

Project Rockoon
Actively stabilized model rocket by means of a motor gimbal, originally designed for launching a rocket from a high-altitude weather balloon

https://hackaday.io/project/11679-project-rockoon

[video=youtube;XECr9Zcu4vg]https://www.youtube.com/watch?v=XECr9Zcu4vg[/video]

[video=youtube;I9bWX-kPGvg]https://www.youtube.com/watch?v=I9bWX-kPGvg[/video]

[video=youtube;ZmPrAegVZCY]https://www.youtube.com/watch?v=ZmPrAegVZCY[/video]

[video=youtube;GpX7yQo3bo4]https://www.youtube.com/watch?v=GpX7yQo3bo4[/video]

[video=youtube;H-AcSucRBbw]https://www.youtube.com/watch?v=H-AcSucRBbw[/video]