Roctober 2013
This is my first successful attempt at launching one of my rockets over 10,000 feet. It was also a proof of concept of a larger rocket breaking mach without needing to be totally glassed. The base rocket is a 4 inch paper tube, Madcow Super DX-3. It comes standard with a 38mm motor mount- which on a previous one I built, took EVERY 38mm motor I could find. Not one of them was able to shred or otherwise overpower the airframe.- so I modified this new one with a 54mm motor mount. The motor on this flight was a 2,833 newton second 6GXL L-805 White by Cesaroni (CTI). I had 2 flight computers onboard: GWIZ- HCX and LCX, a Garmin Astro GPS unit, and of course a GoPro. Maximum altitude: 11,179 feet Time to apogee: 22 seconds Maximum airspeed: 1243.57 f/sec = 848mph = mach 1.12 Time to mach: 2.51 seconds Altitude of mach transition: 1,369.2 feet Altitude of max airspeed: 2181.67 feet Time to booster burnout: 3.19 seconds Altitude of booster burnout: 2,184.15 feet Maximum acceleration 15.01 G Altitude of max acceleration: 20.65 feet Something I found particularly interesting was how the rocket looses a bit of stability while exceeding the speed of sound. Physics is fun!!! Special thanks to Jack G. for having everything a rocket enthusiast could ever need, and EVERYONE with the Rocketry Organization of California, These folks volunteer tons of their personal time and energy to make every launch happen. Next time I come out I'll have give Greg a break on the mike, I think he did LCO for about 8 hours on saturday! If you have any questions about this launch/rocket, feel free to ask.

 Rocketry Club: Rocketry Organization of California

Author triptechb
Duration 06:00

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