The Journal of Space Commerce

The Journal of Space Commerce

Draper Engine Successfully Hotfired in Colorado

Development Campaign will be "Aggressively" Pursued

Tom Patton's avatar
Tom Patton
Jun 05, 2024
∙ Paid

The Draper engine being developed by Ursa Major was successfully hotfired at the company’s headquarters in Berthoud, Colorado in March, which the company calls a huge milestone for the liquid engine. The development of Draper was announced in May 2023, and with an ambitious goal of hotfiring Draper within 12 months, the engine is well ahead of schedule,…

User's avatar

Continue reading this post for free, courtesy of Mike Turner.

Or purchase a paid subscription.
© 2026 Ex Terra Media, LLC · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture