Wing-spar seastead (concept render)
• Spar: ~39 ft long, ~10 ft chord, ~5 ft thick
• Waterline at y=0, ~70% submerged
• 8 rim-drive thrusters (4 per side) on underwater section
• Top platform ~20×20 ft, solar canopy ~30×30 ft
• Cable to ballast ~100 ft below spar bottom (with “fairings”)
Drag to orbit • Wheel to zoom
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