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.
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Body Tube Size Chart: Standard Dimensions
Correction: An earlier version of this chart gave incorrect BT-70 and BT-80 diameters and treated airframe diameter as a motor-size limit. This version uses published supplier dimensions. Measure the actual tube and matching part before gluing: nominal labels are not a fit guarantee. Model rocket body tube size chart These are the outside diameter (OD),…
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Body Tube Metric Conversion Guide
Convert eRockets standard paper body-tube dimensions to approximate millimeters, then verify the actual tube and companion-part fit.
