ASTM F2291 / 4D-KIN

4D Coaster Biomechanics & G-Force Dynamics

Multi-Axis Dynamic Load & Independent Seat Pitch Kinematics Workbench

ASTM Envelope: NOMINAL (SAFE)
Peak Gz: +3.82 G
4D Maneuver Presets:
๐ŸŽข 4D Vehicle & Pitch Rack Kinematics ISOMETRIC / 60FPS
TRACK VELOCITY: 24.5 m/s (88.2 km/h)
VEHICLE PITCH: -72.4ยฐ (Face-Down)
PITCH ROTATION RATE: 142.0 ยฐ/s
TRACK CURVATURE RADIUS: 18.4 m
๐Ÿ‘ค Anatomical Load & Perfusion Map BIOMECHANICAL
ELEVATED STRAIN
Brain Perfusion: 64 mmHg
Cervical Torque: 38.2 Nยทm
Eye-Heart Delta: +1.8 cm
๐Ÿ“Š Tri-Axial Telemetry & ASTM Envelope ISO 17842
Gz (Vertical)
+3.42 G
Head โž” Feet
Gx (Chest/Back)
-1.24 G
Eyeballs Out
Gy (Lateral)
+0.38 G
Lateral Sway
T: 02.40s / 08.00s
0.0s (Element Entry) Apex Inversion Peak Pull-Out 8.0s (Element Exit)
Rider Stature (Height) 178 cm
Affects hydrostatic column height & head arc velocity.
Neck Bracing / Muscle Tone Tensed (Anticipated)
Determines cervical spine shear strain coefficient.
Restraint Harness Type Vest / Soft OTSR
Chest wall pressure & lateral head-
Enjoy this tool? Build your own with Super