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Always happy to help, WeeVikes. You'll need a section of BT50 22 1/2" long. This will bring your final centering ring about an inch up from the bottom of the interstage tube, giving you plenty of room for a parachute. As for the nose weight, the combination of shot and epoxy came as close to...

Video of the flight can be found at: http://www.youtube.com/watch?v=Tdrt6f4U6O8

You are correct, it doesn't need any auxiliary fins. I'd have to run it through some simulation software to be sure, but I suspect that the shape of the boosters effectively make it a cone stabilized rocket. It's draggy, but very stable. I used lead shot mixed with epoxy for the nose weight...

So far, she has one flight under her belt. She flew on an Estes D12-3 engine. Liftoff was slow and elegant. On this motor she only reached an altitude of 200 feet or so, but it was fine for a first flight. For subsequent flights, I'll use higher powered AP (ammonium perchlorate composite)...

Now it's just a matter of putting it all together. There's a small alignment tab in the booster web that makes the spacing of the boosters a snap. A few final details are put in place. Two standoffs are affixed with launch lugs and a length of heavy elastic is fastened between the interstage...

The Soyuz cover and capsule will be the nosecone for the rocket. Once again, construction is a double laminate. The capsule carries 3 ounces of weight to bring the center of gravity forward to give a stable flight.

Next comes the second stage stack. A standard model rocket body tube serves as a motor mount/stuffer tube. It runs up the body into the lower section of the interstage. The body of the rocket is double layered 110 lb stock. Centering rings are cut from 4X laminated card stock. In between...

I haven't posted here in some time, so I thought I'd get beack into the forum with the build thread of Ton Noteboom's Soyuz. The model was designed with flight modifications in mind, with provisions for clustered motors, one in the second stage and one more in each of the boosters. In the...