Body tube strength by diameter: what size cannot tell you
Can body tube diameter predict strength? Learn what BT sizes tell you, why crush-load and motor-limit charts mislead, and how to assess a specific rocket.
-
-
Model rocket fin material weight: a calculated comparison
Compare model rocket fin weight from cited balsa, basswood and G-10 densities. Calculate a fin set from area and thickness, then check stability and safety.
-
Basswood vs Plywood Rocket Fins: Weight, Grain and Fit
Basswood vs plywood rocket fins: compare grain direction, a transparent four-fin weight example, cutting and finishing, then choose stock for your design.
-
Model Rocket Body Tube Cost Per Foot: A Budgeting Method
Calculate model rocket body tube cost per foot with comparable dimensions, usable length and shipping. A practical budget method, not an undated price chart.
-
Blue Tube vs phenolic rocket body tubes: what changes?
Blue Tube vs phenolic rocket body tubes: compare verified products, fit, finish and impact trade-offs without assuming a motor rating from tube material.
-
Phenolic vs Fiberglass Body Tubes: Which Is Better?
Compare phenolic and fiberglass airframes using supplier dimensions, complete-build loads and certification requirements; neither material has a universal motor rating.
-
3D Printed Rocket Parts: What Works & What Doesn’t
3D-printed jigs and selected flight parts need different checks. Evaluate fit, mass, loads and heat; printed wadding or a generic motor adapter is not a shortcut.
-
Cardboard vs Fiberglass Body Tubes: Which to Use?
Compare cardboard and fiberglass rocket body tubes by named product, fit, construction and finished mass—not an invented motor-class cutoff.
-
Balsa vs Basswood Rocket Fins: Which Performs Better?
Compare balsa and basswood fin stock by actual weight, grain, geometry and attachment. Neither wood has a universal motor-class rating.
-
Parachute Fabric Comparison: Plastic Film & Nylon Ripstop
Compare specific plastic-film and nylon parachutes by construction, fit, and manufacturer recovery data—not by an unsupported material-only descent ranking.
