Fins stabilize a model rocket in flight. Material (balsa, basswood, plywood, plastic), grain orientation, shape, and alignment all affect stability, drag, and altitude. This hub covers fin selection, alignment, and high-performance fin work.
Articles in this section
- Balsa vs Basswood Rocket Fins: Which Performs Better? — Side-by-side strength, weight, and finishing for the two most common fin woods.
- Fin Alignment Guide: Perfect Fins Every Time — Step-by-step alignment jig technique for straight, symmetric fins.
- Fin Grain Direction: The Complete Guide — How wood grain orientation affects fin strength under flight loads.
- Fin Reinforcement Options for High-Power Rockets — When and how to add carbon strips, fiberglass, or gussets to prevent fin flutter.
Looking for the complete archive? See the blog index.