Is the speed measurement a little off? I am sure I heard a sonic boom. In fact I thought I heard two cracks seperated by about 1/2 second?


Glenn LeBrasseur,  KJ7SU

Quoting Keith Packard <>:

Here's the data I captured from the on-board telemetrum data log.

The graph is a bit messy as it has so many lines.

Here's some numbers too:

Max height above ground: 3864m (baro)
Max speed:                308m/s (baro) 286m/s (accel)
Max accel:                120m/s² (accel)
Time to apogee:            28.2s


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