KNYSNA 500 SE 

IMPULSE is a special edition Knysna 500 SE combining luxury cruising with sailing performance. She has been exclusively owner-operated, used for approximately three months each summer since 2020, and kept in dry storage during the winter.

The vessel has been extensively upgraded and is equipped for comfortable bluewater cruising and extended periods of off-grid living.

KEY FEATURES

Upgraded Sail Plan:
High-performance square-top mainsail, new in 2024, with electric screecher furler for easy short-handed sailing.

New 2024/2025 Rigging:
NorthSails Norlam Xi11/09 sails and new Profurl NDE2 electric genoa furler fitted in 2025.

Energy Systems:
760 Ah Mastervolt battery bank, dual high-output alternators and 7 kW Kohler generator.

Owner Version Layout:
Three en-suite cabins with light wood interior craftsmanship, custom soft furnishings and two 16,000 BTU climate-control units.

Bluewater Equipment:
100 L/h watermaker, Iridium-GO and 3.6 m Infanta semi-rigid tender with 20 hp Mercury outboard.

VAT:
South African VAT paid.

DIMENSIONS & TANKAGE

Length Overall: 15.24 m / 50 ft
Beam: 7.96 m / 26 ft
Draft: 1.21 m / 4 ft
Air Draft: 19.82 m / 65 ft
Displacement: 15.5 metric tons

Fuel Capacity: 600 L
Fresh Water Capacity: 600 L
Black Water Capacity: 240 L – 3 x 80 L tanks

GENERAL SPECIFICATIONS

Builder: Knysna Yachts
Model: Knysna 500 SE
Year Launched: 2016
Designer: Angelo Lavranos
Hull Material: Fiberglass
Number of Engines: 2
Engine Make: Yanmar 4JH57
Total Engine Power: 114 hp

PROPULSION

Engines: 2 x Yanmar 4JH57, 57 hp each
Drive Type: Yanmar SD60 Sail Drives

ACCOMMODATION

Layout: Owner Version
Guest Cabins: 3
Guest Heads: 3
Interior: Light wood craftsmanship with custom soft furnishings

SAILS & RIGGING

Mainsail: New 2024 NorthSails Norlam Xi11/09 square-top with carbon battens
Genoa: New 2024 NorthSails Norlam Xi11/09
Screecher: Electric furler with Profurl NEX e4.0, new 2023
Genoa Furler: Profurl NDE2 C420 electric, new 2025
Additional Sails: Ullman screecher and Ullman asymmetric spinnaker
Winches: Harken 12V electric primary and secondary winches

NAVIGATION & ELECTRONICS

Chart Plotter: Garmin 8015 with 15" XGA touchscreen display
Radar: Garmin GMR 24HD
Autopilot: Garmin GHP12 with GHC20 display
AIS: Garmin AIS 600 send/receive
VHF: Garmin VHF 200i
Fish Finder: Garmin GSD24
Satellite Communications: PredictWind Iridium-GO!
TV: Samsung LED 40"
Stereo: Fusion 750AV
Anchor Chain Counter: Electric, new 2023

ELECTRICAL SYSTEM

Inverter/Charger: Mastervolt Mass Combi Pro 12/3000-150
House Battery Bank: 2 x Mastervolt 12/5000 units – 760 Ah total
Solar Array: Capacity to come
Generator: Kohler 7EFKOZD – 7 kW
Alternators: Dual Mastervolt 12/130 high-output alternators with Alpha Pro II regulators

The dual high-output alternators provide rapid battery charging while underway.

GALLEY & AMENITIES

Refrigerator: Isotherm CR200 – 200 L combination fridge/freezer
Freezer: Isotherm CRF90F – 90 L
Cockpit Fridge: Weaco CU94/EVAP CIRC
Ice Maker: U-Line SS98
Hob: 4-burner AEG C6043G-M
Oven: 65 L Eurogas FOG31IX, 4-function
Microwave: Samsung 28 L
Washing Machine: Samsung WA90H4200SW
Watermaker: Schenker Modular 100 – 100 L/h
Air Conditioning/Heating: 2 x Climma 16,000 BTU reverse-cycle units

TENDER

Tender: 3.6 m Infanta semi-rigid with centre console
Outboard: 20 hp Mercury ELPT 4-stroke

The tender is sold as additional equipment.

DECK EQUIPMENT

Windlass: Quick Alpha 1500 W

VAT & PERMITS

VAT: Fully South African VAT paid
Cruising Permit: Current 18-month Greek cruising permit

The original document describes IMPULSE as a modern, highly upgraded bluewater catamaran in exceptional mechanical condition.