This requirements document is currently being discussed on the forum here
Draft: 2012-04-28
STSR 1.1 Must accommodate low power, commercially available amateur rocket motors sized A through E.
STSR 1.2 Must be mobile enough to enable live demonstrations as part of educational and outreach activities.
STSR 2.1 Must be well documented so as to meet the needs of open source spaceflight designers who will design and build future test stands (at Mach 30 or elsewhere).
STSR 2.2 The documentation and procedures must be complete enough that Mach 30 operators, students and educators who want to bring rocket engineering into the classroom, and anyone else interested in how rockets are tested can learn how to use it.
STSR 2.3 Document the engine testing procedure from test stand setup, to running tests, and ending with stowing the test stand.