AERODYNAMIC SAIL AREA • CROSSWIND OVERTURNING • SPMT SWEPT PATH • STABILITY FACTOR

Rocket Stage Aerodynamic Wind Overturning Moment & Turning Radius Calculator

Model lateral aerodynamic crosswind forces, rollover safety thresholds, center of gravity elevation, and minimum road curve turning clearances for heavy launch vehicle stages on multi-file SPMTs.

Booster Geometry & Ambient Wind AERODYNAMICS HUD

Stage Outer Diameter (D)

Stage Length (L) 71.0 Meters (233 ft)

30 m 55 m 80 m

Crosswind Speed (Perpendicular to Travel) 15 Knots (17.3 MPH)

5 kts (Calm) 18 kts (Max Limit) 35 kts (Storm)

Transporter Configuration & Track Width

Gross Weight (Dry Stage + SPMT + Bolsters) 320,000 Lbs

100k Lbs 350k Lbs 600k Lbs

Stability & Swept Path Envelope

Projected Sail Area

639.0 m²

6,878 sq ft

Lateral Wind Force

19,480 Lbs

86.6 kN Drag

Stability Margin Factor (SF)

3.18 ×

STABLE • PERMIT GRANTED

Swept Turning Radius

38.4 Meters

Dual-Lane Intersection Sweep

Overturning Moment Ratio:

Overturning Moment (M_wind): 116,880 ft-kips

Restoring Moment (M_gravity): 372,000 ft-kips

Max Crosswind Wind Hold: 18 Knots (SOP Limit)

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Export AutoTURN swept path simulations and aerodynamic wind loading reports for FAA and DOT permit filings.