Boat Classes

Blokart

one design

Ultra-portable, quick-rigging class with strict one-design rules and big fleets.

Max Speed: 40 mph

Sail sizes: 2.0 / 3.0 / 4.0 / 5.5 m² Weight: ≈27 kg (rig + chassis) Frame: stainless or performance PRO frame Wheelbase: ≈1.7 m Designed for rapid setup & international travel

Intl 5.6 Mini

one design

“Mini 5.6” box-rule with very simple constraints.

Max Speed: 40 mph

Round-section mast. Tyres max 4.00×8 in. All wheels must fit inside a 5.6 m rope laid on the ground

Manta Single

one design

Iconic US recreational/racing landsailer—simple, durable, and widely accessible.

Max Speed: 40 mph

Sail area: ≈5.5 m² Weight: ≈65–75 kg Length: ~3.2–3.6 m Aluminum mast with dacron sail Classic single-seat triangle frame

Manta Twin

one design

Tandem version of the Manta for training, cruising, and big-wind fun with passengers.

Max Speed: 40 mph

Sail area: ≈5.5–6 m² Length: ~3.5–4.2 m Weight: ≈90–120 kg Two-seat side-by-side or inline layout (varies by build) Stronger frame + reinforced mast step

Mini Skeeter

one design

Lightweight, home-built, high-performance Class-5-size landsailer known for speed-per-dollar.

Max Speed: 70 mph

Sail area: ~5.0–5.8 m² (typical) Weight: ≈55–80 kg depending on build Length: ~3.2–3.8 m Mast height: ~5.5–6 m Popular for DIY builders; extremely fast for size

NALSA Class II

open

Very large, high-performance landyacht class with huge sail area and massive speed potential.

Max Speed: 80+ mph

Sail area: 121.6 sq. ft. maximum (11.3 sq. m.) Length: ~6–7 m overall Weight: 250–350+ kg typical Very low, wide track for stability at high speed Among the fastest classes; requires large venues & strong handling skill

NALSA Class III

Mid-large 3-wheeler optimized for balance of speed, portability, and performance.

Max Speed: 70+ mph

Sail area: 79.1 sq. ft. maximum (7.35 sq. m.) Length: ~4–5 m Weight: 120–180 kg Standard mast: ~6–7 m Popular for large fields and mixed regattas

NALSA Class IV

open

Medium-size, very agile class known for its competitive tactical racing.

Max Speed: 70 mph

Sail area: 59.0 sq. ft. maximum (5.48 sq. m.) Length: ~3.5–4.5 m Weight: 80–130 kg Mast height: ~5.5–6.5 m Strong balance of portability & speed

NALSA Class V

open

Compact, low-cost class intended for broad accessibility and close racing.

Max Speed: 60 mph

Sail area: 49.0 sq. ft. maximum (4.55 sq. m.) Length: ~3–4 m Weight: 60–100 kg Often home-built or kit-built

Promo

one design

Training-friendly class with standardized specs to keep costs low.

Max Speed: 60 mph

Sail area: ~5.5–6 m² Length: around 4 m Weight: ~70–90 kg One-design-ish: parts must meet specific measurements Designed for fleet consistency & beginner development

Sportsman

open

Entry-level NALSA class that welcomes mixed designs under defined safety limits.

Max Speed: 40 mph

Sail area: usually ≤5.5 m² Length: no strict limit but typically 3–4.5 m Weight: varies widely; generally 50–110 kg Allows many home-built variations Emphasis on safety and participation over tech optimization

Standart

one design

Strict one-design class emphasizing driver skill over equipment.

Max Speed: 60 mph

Sail area: 5.5 m² one-design Length: Set by design (≈4.3 m) Weight: ≈75–85 kg empty One-design aluminum mast Identical frames and wheels; extremely even competition

US Mini 6.7

one design

smaller/minimal class for youth or smaller yachts

Max Speed: 60 mph