Leviathan Blackbird 1300-SDW360-75 Kit - Modular Backtail

The Leviathan Blackbird 1300-SDW360-75 Kit is the Sabfoil setup designed for riders looking for high-speed pumping, advanced dock-starting, downwind, and high-performance SUP foiling. It combines the high aspect ratio Leviathan 1300 Blackbird wing, the active-lift Blackbird fuselage, the M75 Blackbird mast, and the modular backtail with the ultra-low drag SDW360 stabilizer.

The kit's objective is to overcome the "speed wall" typical of large pump wings: the 1300 BB maintains the necessary lift for takeoff but remains fast, stiff, and precise even when pushed hard on wakes and bumps, transforming every pump into real acceleration and not just physical resistance.

Main Strengths

• Blackbird & Leviathan lines: combination of high aspect ratio efficiency and ultra-stiff structure.
• Fast pumping profile: the 1300 BB is designed for high speeds and high-frequency movements.
• Integrated Active-Lift fuselage: contributes to total lift and makes dead-starts surprisingly forgiving.
• Low-drag SDW360 stabilizer: small and fast tail to unlock full speed potential.
• M75 Blackbird UMH W-Core mast: extreme stiffness to transmit every gram of energy to the wing.
• Modular FC/M backtail: allows fine-tuning of behavior via positive and negative shims.

Who is it for?

• Intermediate-advanced riders who want to transition from a "glider" feel to a more reactive and fast experience.
• Foilers focused on high-frequency pumping, technical downwind, dock-starting, and high-performance SUP foiling.
• Those looking for a pump/downwind kit that doesn't just "stay up," but gains ground and speed on fast wakes.

Components included in the kit

• Blackbird 75 UMH W-Core Mast – M75/BB.
• Leviathan Blackbird 1300 Front Wing – WL1300/BB.
• Blackbird Active-Lift Fuselage – full carbon (FC/M, length 685 mm).
• SDW360 Stabilizer (Downwind 360) – SDW/360.
• Carbon rail plate with titanium inserts – CP02K/Ti.
• Blackbird glider hardware kit – MH171.
• Mast to Blackbird hardware kit – MH172.
• S330Y/S370/S376/S399/S400/SRD339/SRD379 Stabilizer hardware kit – MH107.
• Carbon Plate to Rail Board hardware kit – MH160.
• Negative shims for stabilizers – MHW060.
• Positive shims for stabilizers – MHW061.
• Replacement pins and shims for Q02K system – MHQ02.
• Foam pad for plate – MH144.
• Allen keys, Torx keys, and grease – MH137.

Technical Specifications

Leviathan 1300 Blackbird Front Wing (WL1300/BB)

• Wingspan: 1280 mm.
• Surface area: 1330 cm².
• Aspect Ratio (AR): 12.3.
• Max chord: 161 mm.
• Max profile thickness: 16.7 mm.

SDW360 Stabilizer

• Wingspan: 360 mm.
• Surface area: 110 cm².
• Aspect Ratio (AR): 11.8.
• Max chord: 44 mm.
• Max profile thickness: 6.7 mm.

Fuselage, mast and kit weight

• Blackbird Fuselage – total length: 685 mm.
• Blackbird Mast – height: 750 mm.
• Board connection: carbon plate (rail mount).
• Approximate foil kit weight: approx. 4.1 kg.

Performance on water

• Line: Blackbird – Range: Leviathan.
• Recommended for: Freeride, Dock-Start, Pumping, SUP, Downwind.
• Takeoff speed: 10 – 12 knots.
• Indicative top speed (80 kg rider): 19 – 21 knots.

Tech & Feel

• WL1300/BB – high-speed precision: thin and aggressive profile for superior cruising speed and less drag during acceleration.
• Integrated Active-Lift fuselage: contributes to total lift, making the 1300 more forgiving than its technical profile suggests, especially during takeoff and dead-starts.
• Low-drag SDW360 stab: compact tail that frees up the foil, making it agile and responsive to foot pressure.
• High-frequency pumping: reduced drag of the entire system for faster and more efficient pumping, with short, powerful strokes and less fatigue.
• M75/BB + FC/M structure: ultra-stiff mast and modular backtail that transmit energy directly, creating a stable and predictable platform for technical progression.

Frequently Asked Questions (Q&A)

What type of rider should choose the Leviathan Blackbird 1300-SDW360-75 Kit?

It is ideal for intermediate-advanced riders focused on pumping, dock-starting, and fast downwind, who want a faster and more reactive foil compared to classic slow and "lift-only" gliders.

Is it suitable as a first pumping foil?

It can only be used as a first pumping foil by riders already experienced in foiling in general: the profile is technical and favors speed and high cadence, rather than absolute maximum ease in the first sessions.

How does it differ from a larger traditional Leviathan (e.g., 1350/1550 Easy)?

Compared to larger Leviathans focused on pure glide, the 1300 Blackbird offers less "passive" lift but more speed, response, and ability to chase fast wakes without feeling limited by drag.

For which disciplines is it less suitable?

It is not designed for aggressive freestyle jumps: the kit's priority is pump/downwind performance, not big air; for freestyle, Medusa or Balz Pro kits are better.