Ian Kluft on Twitter says,
> Reports from #Mojave Air & Space Port: @mastenspace performed successful static/ground test firing of Xaero rocket
Dave Masten gives a technical description,
> Re: hot flamey stuff. Film at 11
And Alexander Hreiz of Masten Space says on Twitter that it is using the engine from the older Xoie vehicle. A newer engine is in preparation.