Model rocket conversion. This normally takesblack powder 'D' motors but I had put in an ammonium perchlorate Aerotech 'G'. Alticalc estimates 7,833ft at 600mph. I thought the rocket has been lost but after 4 minutes it came back just a few meters away, intact on it's streamer. My highest flying rocket and a single-stager single-motor too. It flew in 1997 - Laurie Calvert.
www.calvertfilm.fsnet.co.uk
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