Sailboat mast Z series

furlingaluminum

Product
Furling mast sections for roller‑furling mast systems on sailing yachts. Extruded aluminium profiles supplied by U.S. Spars for mast fabrication, repair or replacement. Available in multiple section sizes to cover yachts approximately 24–60 ft.

Sections Table
Part # | Dimensions (mm) | Inertiae (cm4) | Wall Thickness (mm) | Weight per Meter(kg) | Luff Rope (mm) | Approx Yacht Length (ft)
Z300E | 160 X 105 | 400 162 | 2.2 | 3.5 | 6 | 24-28
Z400E | 184 X 117 | 585 280 | 2.6 | 4.4 | 6 | 27-30
Z500E | 200 X 124 | 785 370 | 2.8 | 5.4 | 6 | 30-34
Z600E | 220 X 131 | 1250 490 | 3 | 6.4 | 6 | 33-36
Z700E | 231 X 137 | 1505 621 | 3.4 | 7.5 | 6 | 35-38
Z800E | 243 X 148 | 1730 760 | 3.5 | 8.3 | 6 | 37-43
Z900E | 255 X 160 | 2430 1000 | 3.7 | 9.2 | 6 | 41-45
Z1100E | 290 X 175 | 3550 1550 | 3.9 | 11.6 | 6 | 45-50
Z1400E | 340 X 200 | 5550 2500 | 4.7 | 14 | 6 | 50-60

Notes
The table lists available section part numbers for furling masts with their exterior dimensions, inertiae values (two values given per part), wall thickness, weight per metre, recommended luff rope diameter and approximate suitable yacht length (ft). Use the values to select the correct section for design, retrofit or replacement based on structural and rigging requirements.

Technical specifications

• Manufacturer: U.S. Spars
• Product type: Section for Furling Masts
• Part numbering: Z300E, Z400E, Z500E, Z600E, Z700E, Z800E, Z900E, Z1100E, Z1400E
• Dimensions reported in mm (Width X Depth)
• Inertiae reported in cm4 (two values given per part)
• Wall thickness reported in mm
• Weight per meter reported in kg
• Luff rope recommended diameter reported in mm
• Approximate yacht length suitability reported in feet