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The Midlength page
Armstrong Midlength 55L
Midlength Mk I (Midlength FG)
55L · surf foil, wing foil, downwind foil
| Listed | 3D model | |
|---|---|---|
| Length | 5’5 | … |
| Width | 18” | … |
| Thickness | 4 1/8” | 12.4 cmon its photo |
| Height with rocker | – | … |
| Volume | 55 L | … |
How this model was made
Outline traced from Armstrong’s own photos, rocker and thickness from its side view. Straight from the photos it held 59.1 L (+7 %). The side view reads the listed thickness, so the photo’s thickness is kept, with a rounder cross-section than the default (it fills 82 % of its width × thickness box, against 88 %), to hold the listed volume. The cross-section’s shape is assumed, not measured.