Kit Leviathan Blackbird The 1350-325-75 - Modular Backtail

The Leviathan Blackbird "The 1350"-325-75 Kit is the GLIDER 1350 Blackbird full kit designed to dominate infinite pump, downwind, and dock-start with a unique balance of high-aspect performance and great error tolerance. It combines the legendary "THE 1350" front wing with a modular full carbon platform (FC/M fuselage, SF/325 stab, and M75 Blackbird mast) for a "save-the-day" flying experience that prioritizes airtime over water time.

Key Strengths

• High-aspect glider designed for infinite pump, dock-start, SUP foil, and downwind with low take-off speed.
• Balances elite performance with a large margin of error: very low stall speed and easy recovery after rhythm mistakes.
• Active-Lift integration: the full carbon fuselage generates additional thrust, allowing for a thinner and faster profile while maintaining massive lift.
• FC/M modular backtail with 325 flat stab for minimal drag, reactive carving, and precise tuning via shims.
• M75/BB ultra-high modulus mast with W-Core technology for maximum rigidity and immediate response.

Who Is It For

• Intermediate-advanced riders focused on pumping, dock-start, SUP foil, and downwind who are looking for infinite glide with great forgiveness for errors.
• Foiler who want a glider capable of saving the session even in marginal conditions ("save-the-day foil").
• Those who want a high-performance setup but less punishing than other extreme high-aspects.

Components included in the kit

• Blackbird 75 UMH W-Core Mast – M75/BB.
• Leviathan Blackbird “THE 1350” Front Wing – WLT1350/BB.
• Sabfoil Flat 325 Stabilizer – SF/325.
• Full Carbon Blackbird Fuselage – Size M – FC/M.
• Carbon rail plate with titanium inserts – CP02K/Ti.
• Carbon Plate to Rail Board Hardware Kit – MH160.
• Blackbird Glider Hardware Kit – MH171.
• Mast to Blackbird Hardware Kit – MH172.
• S325/S355/S375/S380/S395/S425/S430/S450/S480/S483 Hardware Kit – MH108.
• Spare pins and shims for Q02K – MHQ02.
• Foam pad for plate – MH144.
• Negative shims for stabilizers – MHW060.
• Positive shims for stabilizers – MHW061.
• Allen keys, Torx keys and grease – MH137.

Technical Specifications

• Front wing – wingspan: 1350 mm.
• Front wing – surface area: 1864 cm².
• Front wing – aspect ratio: 9.8.
• Front wing – max chord: 170 mm.
• Front wing – max thickness: 21 mm.
• Stabilizer – wingspan: 325 mm.
• Stabilizer – surface area: 155 cm².
• Stabilizer – aspect ratio: 7.1.
• Stabilizer – max chord: 58.9 mm.
• Stabilizer – max thickness: 6.4 mm.
• Fuselage – total length: 690 mm.
• Mast – height: 750 mm.
• Mast – board connection: carbon plate.
• Foil kit – approximate weight: approx. 4.5 kg.

On-Water Performance

• Product line: Blackbird – Range: Leviathan.
• Recommended for: Freeride, Dock-Start, Pumping, SUP, Downwind.
• Take-off speed: 7 – 9 knots.
• Indicative top speed (80 kg rider): 13 – 15 knots.

Tech & Feel

Beyond the Margin of Error

Many high-aspect foils require perfect technique and punish with abrupt stalls; “THE 1350” Blackbird is designed for those who prefer to stay in the air as long as possible, even when their technique is not flawless. Active-Lift integration significantly lowers the stall speed and allows for surprising recoveries after pumping or timing errors.

Synergy between “THE 1350” and Active-Lift fuselage

• Front wing “THE 1350”: significant span and optimized profile for infinite glide, "rock-solid" stability, and immediate take-offs at low speeds.
• Active-Lift Fuse: the fuselage actively contributes to lift, allowing for a thinner and faster wing while maintaining the massive lift typical of Leviathan.
• FC/M modular fuselage: rigid full carbon platform that allows total freedom of tuning with shims and stabilizer changes.
• Stab Flat 325: flat, minimal-drag profile that makes the kit agile in transitions and allows for good top speeds for a glider of this size.
• Mast M75/BB: direct board-to-foil connection with zero power dispersion, so every pump translates into effective propulsion.

Frequently Asked Questions (Q&A)

Why choose “The 1350” over other Leviathan or Blackbird models?

Because it offers a rare mix of infinite glide, great lift, and error tolerance, making it more accessible than many pure high-aspects yet extremely high-performing in pump and downwind.

Is it suitable as a first pump kit?

It can be for riders with some prior foiling experience: the low stall speed and Active-Lift help a lot, but it remains a high-end kit, not an absolute entry-level.

How customizable is the foil's behavior?

Thanks to the modular FC/M fuselage, positive and negative shims, and the ability to change stabilizers, you can adapt the kit to your weight, spot, and pumping style with extreme precision.