```html Seastead 1:6 Scale Model Analysis

Seastead Design Analysis

1:6 Scale Model • Froude Scaling Applied

SCALE FACTOR = 6

🧪 1:6 Scale Model

Parameter Value
Triangle Side Length 10 feet
Leg Length 6 feet
Leg Diameter 5 inches (0.417 ft)
Leg Angle 45° (out and down)
Submerged Length 3.6 feet (60%)
Displaced Volume 1.473 ft³
Water Displaced:
94.25 lbs
(Seawater @ 64 lb/ft³)

Target Model Weight: 94.3 lbs

This is the total weight the model should have (including structure, ropes, and ballast) to float at the designed waterline.

🌊 Full Scale (Froude Scaled)

Parameter Value
Triangle Side Length 60 feet
Leg Length 36 feet
Leg Diameter 30 inches (2.5 feet)
Leg Angle 45°
Submerged Length 21.6 feet (60%)
Displaced Volume 318.1 ft³
Target Full Scale Weight:
20,358 lbs
(≈ 10.18 tons)

All linear dimensions ×6
Volumes & mass ×216 (Froude scaling)

📋 Summary of Results

  • Model displaced water mass/weight: 94.25 lbs
  • Target model weight: 94.3 lbs
  • Full scale target displacement: 20,358 lbs (10.18 tons)
  • Scaling method: Froude scaling (λ = 6)
  • Assumptions: Seawater density = 64 lb/ft³, only legs provide buoyancy, triangle remains above water, ropes have negligible volume.
The three legs are angled at 45° and stabilized by two ropes per leg connecting to the adjacent triangle corners.
This creates a stable triangular tensioned structure both at model and full scale.
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