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The Sonic was my first kit from US Rockets. I was very impressed with the materials in this kit, and have made more than 20 flights with it on engines ranging from small H's up to the Aerotech 600NS I-435. I am currently glassing it in preparation for flights on J and K motors.

The Sonic is a 3" diameter, cardboard airframe rocket. It has varied in height from 4.5 feet to nearly 7 feet, as it has been stretched, chopped, and had the payload section retrofitted for dual deployoment utilizing an Olsen Advanced Electronics Altimiter.






My first kit from US Rockets. The Sonic 3100 Phase 2 is actually a 2-stage rocket, but I have yet to fly it in a dual stage configuration. I have enough fun with it as a single stage rocket! My current plans are to see how big of a motor I can safely fly in this baby. It's a 3" diameter rocket with a 54mm motor mount.

Built in its out of the box configuration, the Sonic stands 60" tall. I wanted it a bit bigger, and added another 24" of tube, as seen here. This made it a little too long, in my opinion, and I ended up chopping it. I am currently modifying the payload section for the second time to support dual deployment, and I am also working in anti-zipper construction. Not sure what the height will be when I'm done, but it will be ready for any motor I can squeeze into it. Lets see here...Kosdon makes a 54mm L, doesnt he? Hmm...

Update - 11/1/98
Sonic rebuild is complete with anti zipper constuction and dual deployment altimiter setup. Flew in Millican, and then in Orangeburg, SC on an experimental J-460 from Jim Mitchell's motor class. Actually two, my own, and another person's in the class. Sorry, I was having too much fun to take any pictures...

Update - Fall 1999
The Sonic is MIA in Millican, Oregon after a high-alt flight on a Kosdon K350. Estimated altitude is over 10,000 feet. A search party will be dispached later in April, 2000 for a last ditch recovery attempt.