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| Date | Name | Notes |
|---|---|---|
| October 2018 | Test Fin Can | Not-for-flight article to practice processes |
| November 2018 | Flight Candidate 1 | First carbon fiber fin can. Incorporates phenolic leading edges, plain phenolic tube with 3 layers of CF overwrap |
| January 2019 | Flight Candidate 2 | Second carbon fiber fin can. Also has phenolic leading edges, beveled fins, fiberglass tube (not overwrapped) |