I was able to snag two Formula 54 kits from Rocketry Warehouse (great customer service, by the way!) and a Featherweight Altimeters Raven 2 + 38mm Av Bay (more great customer service!) from the Black Friday sales. Naturally, I planned to put them together into a single, two-stage rocket over the winter.
The goal of this project is to successfully complete and fly my first two stage rocket. I have never flown a high power rocket with more than a single motor in my 6 years of HPR certification and 10 years of total HPR flying. This should change that!
The rocket itself will be a VERY basic 2 stage model. The sustainer will be built stock for the most part. The major modifications will be to add a brass tube in the Centering Rings as a conduit for the ignition wires and to recess the aft centering ring 1.5" to allow for the interstage coupler to engage. The Raven will reside in the nosecone to handle apogee deployment as well as sustainer motor ignition, with some form of break away connection so that the ignitor wires break free at deployment.
For now, the interstage will simply be a filament wound 54mm coupler with a single bulkhead that will act as the booster's "nosecone." The booster will sport a 38mm motor mount instead of the stock 29mm to make room for some 38mm 2G and 3G EX booster motors. At a later date, I may add space for an Adept 22 in the interstage coupler so that I may fly booster motors without ejection charges.
The nice thing about this rocket is that it will also serve as two separate rockets, with two different sizes of motor mounts. If I want to fly them separately, I will have two unique boosters along with "smart" and "dumb" nosecones, meaning one with the Raven and the other without.
For starters, I have attached a picture of all of the parts after having been cleaned up with 220 grit sandpaper. I will be building this in the coming weeks. Tentatively, my goal is to have the sustainer ready to fly should I able to attend the MDRA December launch. The projected motor for the first flight will be an old DPS 24mm G112. I will be waiting until after Christmas to start the booster as I need access to some machines at my parent's place to make some parts.