Armstrong Step 1 (S1) Alloy Foil Package

The Armstrong Step 1 (S1) Alloy Foil Package is an entry-level complete hydrofoil kit built for first-time foilers across disciplines including wing foiling, surf foiling, and SUP foiling. Produced by Armstrong Foils — a New Zealand-based brand known for its modular foil ecosystem — the S1 line pairs purpose-built beginner front wings with the brand's alloy mast and fuselage system. Each kit ships with a front wing (available in 1250, 1550, 1850, or 2450 cm² sizes), a 72 cm alloy mast, a 75 cm alloy fuselage, an S1 300 stabilizer, titanium hardware, and a padded carry bag. Armstrong uses the S1 in its own foil schools, and the package is designed to prioritize stability, low stall speed, and predictable handling over outright performance.

• Front wing sizes: 1250 cm², 1550 cm², 1850 cm², 2450 cm²
• S1 1250 span / AR: 848 mm / 5.7
• S1 1550 span / AR: 905 mm / 5.3
• S1 1850 span / AR: 965 mm / 5.0
• S1 2450 span / AR: 1054 mm / 4.8
• Stabilizer: S1 300 — 300 cm², 410 mm span, 5.7 AR
• Mast: 72 cm alloy (6061/7075 aluminum)
• Fuselage: 75 cm alloy
• Hardware: Titanium M7×1.25 and M8 fasteners
• Included: Front wing, mast, fuselage, stabilizer, hardware, carry bag

The S1 package targets true beginners — riders taking their first flights on a hydrofoil. The front wing geometry uses a combination of leading- and trailing-edge sweep, downturned wingtips, and a generous chord length to deliver a near-self-correcting flight path. Rather than pitching violently when a rider's weight shifts too far forward or aft, the S1 wings stall gradually and settle back to the water with minimal impact. That forgiving behavior makes the kit practical for foil schools and unsupervised learners alike.

Smaller wings in the range (1250 and 1550 cm²) suit lighter riders or those progressing toward faster freeride speeds, while the larger 1850 and 2450 cm² options offer earlier lift and lower minimum flying speeds for heavier riders or very light-wind conditions. The alloy mast and fuselage keep the price accessible without requiring riders to sacrifice compatibility — the system shares Armstrong's standard connection interface with its carbon components, so upgrading individual parts later is straightforward.

Within Armstrong's catalog the S1 sits at the entry level, positioned below the brand's performance-oriented carbon foil lines such as the MA (Mid Aspect) and HA (High Aspect) series. Where those wings chase speed, glide, and pumping efficiency, the S1 prioritizes low-speed stability and ease of learning. The alloy mast and fuselage that ship with this package are also sold separately and are compatible with Armstrong's broader wing range, giving riders a cost-effective way to enter the ecosystem before moving to carbon components.

Compared to competing entry-level packages — such as the Lift eFoil beginner kits or the Slingshot Hover Glide series — the Armstrong S1 kit distinguishes itself through direct upgrade compatibility with the brand's high-performance carbon wings and masts. For buyers who plan to progress within a single brand's ecosystem rather than replacing an entire setup, that modularity adds long-term value to the initial investment.