The Challenge 67’ Class yachts were designed for The Challenge Business by David Thomas, specifically to race around the world "the wrong way". The design brief called for exceptionally strong, seaworthy, fast, attractive, modern, steel yachts that were able to sail to windward across the Southern Ocean in relative comfort.
Safety was paramount both in terms of structural strength and crew safety. Because of the One Design nature of the race, the design was not influenced or distorted by any rating rule and a sensible displacement was specified. Other important design considerations include, ease of access to the structure, equipment, systems, wiring and fittings for maintenance and inspections both at sea and in harbour. Every piece of equipment had to be robust enough to survive a race around the world with minimum maintenance.
Hull, Deck & Superstructure Construction :
• The yachts were designed to be exceptionally strong, so that they could face all that the Southern Ocean might throw at them, with absolute confidence.
• The hulls are constructed of high tensile steel shell plating over "T" bar longitudinal and angle ring frames.
• The entire deck and superstructures are of stainless steel in order to reduce maintenance to a minimum.
• The stainless steel fuel, water and grey tanks are provided with good access for cleaning.
• The International Paint coating systems are the best that current paint technology can provide with the result that on return from the world's toughest yacht race, the yachts looked as if they had returned from a summer cruise.
• Above the waterline the hull and deck are lined with approximately 60 mm of sprayed Polyurethane foam to provide thermal and sound insulation.
• Sandblasting, and new bottom paint (2016).
• New paint on the hull (2016) in Awl grip white.
• Hull Shell Plating & Stringers: British Steel – 50A Steel.
• Hull & Deck Framing: British Steel – 43A Steel.
• Deck, Coamings & Plinths: British Steel – 316 Stainless Steel.
• Change of Sheet of metal under water tanks and Bathroom (January 2020).
• Sprayhood (2016).
• Ballast Keel: Cast Iron by Iron Brothers Ltd.
• Keel Bolts: 16 x 30mm Bolts.
• Interior: Marine plywood with Warerite laminate surfaces.
• Interior Trim: Afrormosia and maple bright work in accommodation, Iroko bright work in sailroom.
• New non slip nautix deck paint Jotun (2018).
• 2 x Water-tight bulkheads to meet new Cat 0 coding installed by Berthon in 1999.
• 1 scratch box fore head.
Keel & Rudder:
• A full depth skeg and ertalite bearings provide support for the steel rudder and good engineering ensures absolute reliability.
• New rudder bearings (2015).
• Removal and replacement of rudder fixings (2016).
Engine & Gearbox:
• 1 x Perkins Sabre Mt 215C 215hp 158 KVA 6-cylinder turbo diesel engine (2015) 1800 hours, driving the propeller through a PRM 302 gearbox.
• Exhaust system (2015).
• 1 x Bosch fuel pressure pump.
• 1 x Racor fuel filter 900FH.
• 2 x Racor 2nd fuel filters.
• 1 x Jabsco fuel pump.
Propulsion & Steering:
• Steering Gear & Wheels: Whitlock 52’ (refit 2015) and compass.
• Bronze hydrolub ring (2020).
• Shaft Stainless steel 45 mm.
• 3-Bladed folding max prop refurbished in 2015.
3 electrical panels 220 volts AC. 24 volts DC and 12 volts DC. All the electrical wiring, together with the switch panels and fittings, are of high quality for reliability and safety. The major cable runs are easily accessible with no wiring below the cabin soles. The major system is all 24 volts.
• Newmar electrical panels with circuit breakers, ammeters and voltmeters.
• Bureau Veritas approved cabling and components.
• Electrical system refitted (2018).
• Service – 6 x 225 amp hours 12 volts Gel cell golf cart batteries (2019).
• 2x 90Amp 12v starting Engine (2019).
• 1x 75 Amp 12 volts Generator.
• Victron battery charger (2015).
• Heart Interface Link 200 battery monitoring system.
• Onan genset 4 KVA (2015).
• 2 x Mastervolt battery monitors.
• 2 x Mastervolt 24v.
• 1 x converter 24 – 220 volts.
Fresh Water & Water Heating System:
• 1 electric water heater (2017).
• Idromar 200L/hour watermaker (2016).
• 2 x Manual bilge pumps “whale gusher 30”.
• 2 x Electric pump 24V—6,9amps “Rule general purpose” 3700GPH.
Webasto with watercooler with air heating system in each cabins passageway and Bathroom (2020).
• 6 separate tanks. Total capacity of 1,900 liters (385 gallons).
• 4 separate tanks. Total capacity of 1,100 liters (242 gallons).
Grey Water Holding Tanks:
• Total capacity of 150 liters.
Navigation Equipement :
• 1 x FleetBroadBand inmarsat 250 KVH (2015)
• 1 x Furuno SSB transceiver.
• 1 x B&G 3G radar (2020).
• 1 x Electronic Cartography B&G Vulcan 12 (2020)
• Screens outside Pack Instrument B&G Triton (2020).
• 1 x VHF Furuno.
• 1 x EPIRB McMurdo Smartfind 406 GPS.
• 1 x Furuno GPS/WAAS navigator GP-32.
• 1 x B&G autopilot; refitted in 2015.
• 1 x B&G Hydra 2000.
• 1 x mariner’s binoculars.
• 1 x Furuno Inmarsat-C mobile earth station.
• 1 x AIS Furuno ship security alarm system.
• 1 x Brookes and Gatehouse wind indicator (2020).
Note: All B&G instrument boards replaced and working (2020).
Description of Layout:
Sail room :
• The sail room is situated aft of the collision bulkhead and the full inventory of sails can be stowed here together with all the warps, fenders, sheets and guys.
• With hanging/drying space for a full complement of foul weather gear.
. to the deckhouse.
• A central passageway runs aft from the sail room.
Head & Shower Compartments:
• 2 Head/shower compartment is fitted with Jabsco toilet, washbasin and shower.
• 12 berths in 6 cabins. Each cabin has 2 x berths single or double for aft cabin.
• All berths have very high leecloths for security at sea.
• A box stowage system enables dry and orderly stowage of clothing and personal belongings.
Chart room :
• The navigation & communication equipment is situated around the full size chart table, as are the Perspex covered switch panels.
• Off watch seating allows good visibility through the deckhouse windows.
• The whole crew can be seated around the saloon table.
• Stowage areas and cupboards are arranged outboard and below the comfortable seating.
• Saloon seats recovered (2014).
• Force 10 cooker (2015).
• Top loading box fridge and freezer, Waeco Alder Barbour compressor and condenser.
Deck Equipment :
• The deck layout was designed to be safe, seaman like, efficient and provide as much protection for the crew as practically possible.
• The aft cockpit is particularly comfortable and the bridge deck area ideal for corporate entertaining.
• The deck equipment was selected for its efficiency, robustness and ease of maintenance. All the equipment used fully justified its selection and remains in good condition.
• Bermudan cutter.
• Mast & Spars (1990): Atlantic Spars Ltd . Top of the mast from waterline: 85’3” / 25.98m.
• Rigging Screws & Terminals (2010): Sta-lok Terminals Ltd.
• Standing Rigging (2010): Norseman Gibb Dyform - Stainless steel wire 1*19.
• Running Rigging (2000 & Later): 7*10 Wire halyards with Liros polyester sheets, guys and halyard tails. Liros Dyneema spinnaker halyards, spinnaker guys and reef lines.
• Blocks: Lewmar Marine Ltd & Atlantic Spars Ltd.
• Jammers, Genoa Tracks & Cars: Atlantic Spars Ltd.
• Mainsheet System & Foot-blocks: Lewmar Marine Ltd.
• 2 aluminum spinnaker poles.
• Lazy-bag and lazy-jacks fitted to boom to assist sail handling.
• Reckman furling gear fitted to staysail and yankee.
• New mainsail track .
• Meissner self-tailing winches with stainless steel drums; 2 x 32ST-60, 2 x 34ST-76, 2 x 28ST-47, 2 x 34ST-67, 2 x 36ST-81 & 1 x harken ST-56.
• Mainsail (2017) – Fully battened with harken 5000 Batten System,
• Yankee Reckmann furling gear.
• Staysail Reckmann furling gear.
• Spare Staysail Elvström.
• Storm Sail.
• 2 x Spinnaker.
• 1 Lazy bag. (2019).
• Including 100% foretriangle: 1,932 sq ft / 179.49 sq m.
• Main: 926 sq ft / 86.01 sq m.
• Genoa: 1,480 sq ft / 137.49 sq m.
• Spinnaker: 3,780 sq ft / 351.17 sq m.
• Companionway Hatch: Goiot.
• Deck Hatches & Port-lights: Lewmar Marine Ltd.
• Pulpit Stanchions & Fabrications: Hercules CSMD.
• Bimini and sprayhood (2015).
• 2 Aluminum Davits (2018).
Dinghies & engines:
• Dinghy 3D Tender 3.60m ypalon + cover 2019.
• Dinghy Mercury 3.20m polyester (2015).
• Outboard Mercury 8hp (2015)
• Outboard Yamaha 6hp (2019)
• Maxwell 3500 24v windlass; with chain stop. Anchor roller fitted.
• 1 x EPIRB.
• 2 Liferafts Bombard 6p (2020) & 8p (2017).
• 15 x Life jacket + harness. Flares packs etc….
Firefighting Equipment :
• 3 x Badger B5M ABC dry chemical extinguishers.
• 3 x Amerex 2.5 gal foam AB fire extinguishers.
• 2 x Kidde ABC dry chemical extinguishers.
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