Fin Flutter Speed Calculator
Calculate the critical flutter velocity for rocket fins based on material shear modulus, fin geometry, and altitude using the NARTS approximation.
Inputs
Results
Flutter speed (m/s)
603
Flutter speed (mph)1,349
Flutter Mach number1.78
Safe max speed (m/s)482.4
Safe max speed (mph)1,079
Fin aspect ratio0.8
V Flutter (ft) S1,978.39
How to Use This Calculator
- Enter Root chord (mm), Tip chord (mm), and Semi-span (mm).
- Set Fin thickness (mm), Shear modulus (GPa), and Altitude at max speed (m).
- Review the Flutter speed (m/s) result.
- Use Flutter speed (mph) and Flutter Mach number to inform your decision.
Ad Placeholder
Ad Placeholder