Awesome Video of Interorbital Systems Flight Test at FAR

This upper-stage engine test was conducted on June 30 at the Friends of Amateur Rocketry (FAR) site northeast of Koehn Lake in the Mojave Desert. I was there. It was very cool to watch in person.

Engine Details

White Fuming Nitric Acid / Turpentine
Hypergolic Storable Propellants
Ablatively Cooled
750 lbs Thrust