Light-wind windsurf sail V8

raceracingregatta

Overview
The Raceboardblade Carbon ULW V8 9.5 is a raceboard sail optimized for light to medium winds. Developed with input from the Loftsails Raceboard Team, the Carbon V8 option integrates carbon X-Ply panels to reduce stretch and preserve profile in the upper wind range while generating early drive in marginal conditions.

Key benefits

• Earlier power in light winds through a deeper profile and fuller upper section plus an exposed tack for on-the-fly downhaul adjustment.
• Light handling through transitions due to higher aspect ratio (longer luff / shorter boom) for reduced swing weight.
• Responsive trim across the range: clear reaction to downhaul and outhaul for precise race tuning.
• Improved stretch resistance from 2 mil carbon X-Ply body panels aligned with warp lines to maintain section under load.

Highlights (product features)

• Specialist for 0–16 knot light/medium winds and flat-water raceboard venues.
• High pumping response with efficient forward drive per pump and quick shape recovery.
• Competition-proven design developed with international Raceboard sailors.
• TEKCAM 3 system: lighter cams with smoother rotation and integrated strap for secure cam retention on raceboard versions.

Construction and materials

• Carbon ULW V8 option: 2 mil carbon X-Ply body panels replace quad-axial panels; carbon threads oriented along warp lines to resist stretch.
• High-visibility 4 mil X-Ply in main window and mast-aligned panels for clear forward sightline.
• Reinforcements: 5 mil bi-axial X-Ply at the foot; 3.5 mil bi-axial X-Ply at clew and head; double-width seam between clew and window panel for outhaul load.
• Carbon Batten System with longer rod sections and rear-shifted tube segments to reduce drag and smooth cam rotation.
• Blade mast pocket and Dacron/SU250PE sleeve: downhaul load shared between pocket and sleeve; Dacron reduces top weight, SU250PE for wear resistance lower on the sleeve.
• Metallic Cam Interface (MCI) for durable cam contact points; exposed tack and track strap with eyelet for precise tack control and adjustable downhaul systems.

Design intent
Tuned for raceboard competition: early drive in light air, light and sensitive handling through manoeuvres, and reduced warp-direction stretch for consistent profile under higher loads. Developed and validated with Raceboard team feedback to optimise race performance.

Sail sizes & technical table
Size | Luff | Boom | Head | Extension | Battens | Cambers | Weight | Rec. Mast
7.5 | 506 cm | 214 cm | Fixed | 16 cm | 5 | 4 | 4.24 kg | Team Edition SDM 490
8.5 | 538 cm | 226 cm | Fixed | 18 cm | 5 | 4 | 4.55 kg | Team Edition SDM 520
9.5 (standard ULW V8) | 576 cm | 232-234 cm | Fixed | 26 cm | 5 | 4 | 4.83 kg | Team Edition SDM 550
9.5 (Raceboardblade Carbon V8) | 576 cm | 232-234 cm | Fixed | 26 cm | 5 | 4 | 4.88 kg | Team Edition SDM 550

Developed use
Recommended for raceboard competition on flat-water venues in super light to medium wind ranges (0–16 knots). Ideal for competitors seeking early power, light transition feel, and stretch-resistant upper-range performance.

Technical specifications

• Model: Carbon V8 (raceboard-specific carbon construction option)
• Intended wind range: 0–16 knots
• TekCam 3: 35% lighter cams with integrated strap on raceboard versions
• Materials: 2 mil carbon X-Ply body panels (Carbon V8), 4 mil X-Ply windows, 5 mil and 3.5 mil bi-axial X-Ply reinforcements
• Battens: 5
• Cambers: 4
• Mast recommendations: Team Edition SDM 490 (7.5), 520 (8.5), 550 (9.5)
• Weights: 7.5 — 4.24 kg; 8.5 — 4.55 kg; 9.5 standard — 4.83 kg; 9.5 Carbon — 4.88 kg
• Tack: exposed tack eyelet supporting adjustable downhaul systems
• Additional systems: Blade mast pocket, Dacron/SU250PE mast sleeve, Metallic Cam Interface (MCI), Track strap with eyelet