Base Isolation · fixed-base whips · isolated barely moves
unseel.com · T 0.5 s → 3 s · 5 to 10× less force · lead-rubber bearings
Ground Shake 0
Top Drift FB / BI
stage
Fixed-base (LEFT)
Isolated (RIGHT)
Lead-rubber bearing
Ground (shaking)
Unseel.com · Seismic Base Isolation