How cool is this project?!
The info and some of the pictures below are from early attempts, such as in a 2006 article from Rocketry Planet. However, it appears that a flight took place at the most recent balls launch, and from the looks of the video (seen last at the bottom of this post) the flight may have done very well indeed. 100,000 feet sounds unlikely, but anything over 50,000 feet would impress me a great deal. And check out the electronics in there...
I came across this project (well was told about it by another rocketry person) while looking to find out if the three stage 38mm project had flown at balls or not this time. I found a video that looked like a three stage flight, and asked around if that could be the one. However, I was informed that it was this flight, and the two videos seem to match up. How did I confuse a J to J to J flight with a N to N to M flight? :)
"The rocket itself stands 24 feet tall and weighs 120 pounds, flight-ready. The empty rocket itself only weighs about 35 lbs - half of the rocket's total weight is just the motors. The flight plan called for the sustainer to do most of the work, taking over around 30,000 feet and quickly climbing toward 100,000 feet. It would hit a peak velocity somewhere around Mach 2.7, where it was to reach apogee around 1.5 minutes into the flight, and then takes approximately 20 minutes to descend under a small drogue chute.
Adrian Carbine and his 'project manager' with the three-stager.
The motors for the flight were made by Cesaroni Technologies: an N2500 in the first stage, an N1100 in the second stage, and an M1400 in the upper stage sustainer. The upper two stages use dual-deployment with four CO2 systems on-board: two are used for staging while the other two are for drogue chute deployment at high altitude.
The rocket was built for high-temperature high-mach flights, using high-temperature materials and epoxies, along with an aluminum tip on the nose cone. The glossy red paint used on all the transitions, fins, and the nose cone is an automotive brake rotor paint, supposedly good to 900 degrees F. Carbine used this to eliminate the paint bubbling he saw on his last record flight."