1358 Tiki 38 - Scott Brown Multihulls

1358 Tiki 38 in Spain

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Beautiful Gleda. Perhaps the most documented build?

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General +
Constructed in the UK by the owner Neil Hawkesford
The story of Wharram Tiki 38 ‘Gleda’ begins with probably the most documented build ever.
More than 1000 blogposts on www.thegledaproject.com
Five thousand hours of blood, sweat and tears in gory detail.
This boat has no secrets. It’s all there for the world to see.
History so far +
In 2014 ‘Gleda’ became a full-time home for Neil and his partner Gail. They have since sailed her some 2,500 nautical miles in the Atlantic and Mediterranean. From Falmouth UK to The Channel Islands and France. Across the Bay of Biscay to Spain. The Atlantic coasts of Spain and Portugal. The Portuguese Algarve and Andalusian Spain. Gibraltar and up the Costas to Valencia.
There’s a series of sailing videos on my website Sailing ‘Gleda’ - The Gleda Project ‘Gleda’ has done her job perfectly from day one. She is safe, seaworthy and comfortable. She has been maintained to a high standard and improved gradually as finances allowed.
‘Gleda’ was hauled out for maintenance and new anti-foul paint in late March 2018. The rudder lashings were replaced at that time.
Currently in Cartagena, Spain, she is ready to sail away.
Specification +
James Wharram Designs Tiki 38 Polynesian Catamaran No 107
Built closely to the JWD plans. Priorities: Strength - Safety - Simplicity
(Full set of original James Wharram Designs Building Plans are part of the inventory)
Modifications +
Main modification is the deckpod. It occupies the same footprint as the one in the plans, but has been turned 180° with an added bulkhead to protect the watch berth. A 12mm plywood roof has been added, supported on substantial 316 stainless steel posts. It is strong enough to walk on, one of the solar panels is mounted there and drains are fitted in the corners to allow rainwater collection. Removable canvas and clear PVC enclosures allow the pod space to be completely weatherproofed when sailing or at anchor. It’s a comfortable place to steer, keep watch, eat and relax.

Hanneke and James have been aboard ‘Gleda’ and approved of these modifications.

Another modification is the addition of an ‘L’-shaped solid deck section aft of the deckpod which runs back to the stern tube. This allows easy access to the wind vane self-steering and safe access ashore via the passerelle when moored stern to.

Lastly, and importantly, the forward mast case has been strengthened.
In 2013 JWD became aware of a couple of failures in Tiki 38 mast cases and, as a consequence, made some modifications to the build plans. The mast case on ’Gleda’ was therefore beefed up with longitudinal hardwood stringers 80mm x 25mm, down both sides. This year, as an added precaution, I have added additional timber immediately beneath the mast foot and constructed a steel reinforced ‘clamp’ around the case in the same area. These improvements along with correct shroud tension means that there is no danger of such problems with ‘Gleda’.
Initial Deck & Pod Video +
Mast Case Update Video +
Construction Materials +
Hulls
9mm Marine (BS1088) Far Eastern Plywood
Bulkheads and Deckpod
12mm Marine (BS1088) Far Eastern Plywood
Backbones, Rudders & Crossbeams Webs
8mm Marine (BS1088) Far Eastern Plywood
Note: All plywood batches were ‘boil tested’ before use to ensure quality
Sandwich Decks
4mm plywood/ 20mm polystyrene/4mm plywood
Hull & Deck Stringers, Crossbeams, Cabin Furniture
Clear Grade Douglas Fir
Tillers and Gaffs
Ash
Hullside Rubbing and Lashing Strakes (Full Length)
Iroko
Hatch Coamings
Mahogany
Slatted Decks
Western Red Cedar
Epoxy System
Sicomin SR5550 Resin + SD 5505/5503 Hardener
Mixfill 100 Epoxy Filler
Glasscell 100
Treecell Cotton Fibre
Silica

All timber & plywood used in construction was epoxy coated. All joints epoxy glued and filleted. Structural joints are reinforced with 600g glass bi-ax tape Hulls and deckpod sheathed with epoxy saturated 200g Glassfibre cloth then epoxy filled.
Hull Paint
Penguard HD Undercoat/Primer + Jotun Pioner Topcoat
Antifoul - Jotun SeaQueen
Masts & Stern Tube
Marine Grade 6061 T6, 140mm OD, 4mm wall thickness aluminium
Both masts are single length (un-sleeved)
Mast caps are CNC cut aluminium, gusseted and welded.
Mast bases - Solid Oak
Standing Rigging
All 6mm stainless with swaged ends (forestay bridle is 7mm)
Shrouds and forestay are tensioned with 6mm plaited pre-stretched polyester lanyards.
Running Rigging
8mm & 10mm plaited pre-stretched polyester rope
All blocks and fittings are Barton
There are spare halyards on both masts
Sheet winch - Lewmar 43 two speed
Sails +
By Rolly Tasker
All except storm jib are offshore quality in Tanbark 7oz Crosscut Dacron
Gaff Foresail - 20.70sq m (222 sq ft) 3 reefs + Sunbrella Sail Cover
Gaff Mainsail - 20.88sq m (224 sq ft) 3 reefs + Sunbrella Sail Cover
Working Jib - 13.04sq m (140 sq ft) with brass piston hanks
Staysail - 7.80sqm (84 sq ft) with piston hanks
Storm Jib (9oz Orange Crosscut Dacron) 2.60sqm (28 sq ft) with piston hanks
Ground tackle +
Main Anchor - 20Kg (44lb) Manson Supreme
Mounted on large stainless steel bow fitting with roller
30m (99ft) of 8mm (5/16th) galvanised chain
2 x 30m (99ft) 18mm (3/4”) anchorplait nylon rodes with spliced eyes
Anchor Windlass
Simpson Lawrence Hypaspeed Manual (Chain and Rope Gypsies)
Spare Anchor - 15kg (33lb) Bruce Type
Mounted on forward beam for ready use
Stern Anchor - 20kg (44lb) Fortress
Mounted on aft port deck with 20m (65ft) of 12mm (1/2”) leaded nylon warp attached for ready use
Storm drogue/sea anchor
2m (6ft) diameter heavy duty PVC with large galvanised swivel & shackle
Stored in ready bag on stern platform with 100m (328ft) 12mm (1/2”) leaded nylon warp attached
A further 80m (262ft) of 12mm leaded nylon warp is stored in PVC screw top drum on aft net
Miscellaneous additional lengths of chain and rope
Mooring +
30mm Nylon Bow Bridle
Spliced Eyes to Stainless Steel U Bolts fitted through forward beam VERY STRONG - Suitable for storm drogue/sea anchor
Fitted with Stainless Steel Chain Hook and Bow Shackle
Cleats
Six large, solid oak cleats bolted and epoxied to ends of main crossbeams - VERY STRONG
Fenders
Four large & Four small
30mm Nylon Stern Bridle
Spliced eyes fitted around stern tube and stern posts. Suitable for storm drogue/sea anchor
Mooring Warps
Large number of assorted
Engines +
2 x Tohatsu MFS9.8A3 HP four-stroke extra Long Shaft Outboards
Remote Controls, Electric Start, Alternators & Run Indicator Lamps (Purchased 2012, put into service 2014) - approx 200hrs of running each
1 x Mariner 3.5HP Outboard (2013) - Low hours and recently serviced
Fuel - 2 x 12 lit (3 Gal) Main tanks + 4 x 10 lit (2.6 Gal) containers stored in engine boxes.
An additional 30 lit (8 Gal) can be stored in containers elsewhere
At a consumption rate of 1.2l it per hour this gives a theoretical single engine running time of 78 hours
Batteries & Charging +
1 x 250Ah Solar Tab Motion Pasted Cell Battery (New Nov 2017)
2 x 110Ah Numax CXV Sealed Lead/Acid Leisure Batteries connected in parallel (220Ah)
1 x 85Ah Varta Lead/Acid
Main batteries are charged by 2 x Luxor Ecoline 100W Solar Panels (High Quality German Make) running on independent controllers.
One of these is a Rutland HRDi Charge Regulator which will additionally take input from a wind generator
85Ah Varta is trickle charged by a Flexcell Sunslick 7W flexible panel through a independent charge controller with a dusk-dawn sensor.
An LED anchor light can be connected via a waterproof deck plug for completely automatic operation.
Erayak 500W Power Invertor (12v - 240V)
Electronics & Lighting +
NASA Target Navtex PRO-Plus Receiver
Digital Yacht AIS100USB AIS Receiver
Lawrence X-4 Fish-Finding Sonar - (The transducer for this is mounted on a pole that can be fitted through the centre deck hatch.
Cobra MR F55 EU Fixed VHF Transceiver (Waterproof) ( Linked to GPS for DSC Distress functionality)
VHF Antenna - Alpha One (U.S. Made)
Garmin GPS 158 Fixed GPS Receiver with remote mounted GPS antenna
Standard Horizon HX300E Handheld Floating VHF Transceiver
Radio Controlled Digital Weather Station - Includes barometric pressure recording
Navigation Lights
Mainmast All-Round White - NASA Supernova LED
Foremast Tri-Colour - NASA Supernova LED
LED Port & Starboard mounted on deckpod sides
LED Sternlight on aft wind generator support
All interior lighting is LED
Freshwater System +
Watertanks - 2 x Vetus Green PVC 61Lit (16 Gal) with Deck Fillers, Vents & Large Access hatches for easy cleaning
Port tank is fitted beneath saloon seating and feeds galley sink via a Whale manual V pump
Starboard tank is fitted beneath main double berth and feeds heads compartment sink via a Whale manual V pump
8 x Deck Stowed NATO standard PVC water containers - 6 x 20lit (5.2 Gal) + 2 x 30 lit (8 Gal) with canvas covers
There is a second Whale manual V pump at the galley sink for saltwater (This is connected to the only below water line hull fitting)
Safety Features & Equipment +
Flotation
It is worth noting that ‘Gleda’ has some additional safety features not normally found on conventional sailboats.
The entire bow section of each hull forward of No1 beam is watertight. There are two separate compartments in each accessible through watertight hatches.
The bows on ‘Gleda’ are reinforced with 150mm (6”) deep solid oak fillets epoxied and glassed in place for collision resistance.
There are similar watertight compartments in the sterns and a large one under the port aft gas locker compartment.
Through Hull Fittings
There is only one below the waterline - the galley sink salt water inlet
The other two are for the heads and galley sink drains and are set a few inches above the waterline.
All three are protected with DZR Brass seacocks

‘Gleda’ is a dry boat. There’s still some building dust in the bilges!
Equipment
Heavy duty jackstay mounting points either side of the foredeck mast case. Ratchet straps are fitted here for safety lines when working in this area in rough weather.
Seago GX 4-Person Offshore Liferaft in Fibreglass Cannister (Due 1st Service)
Man Overboard Dan Buoy ( In quick launch holder on rear platform)
Man Overboard Life-ring and Throwing Line (In dedicated mounting on cabin top)
ACR Firefly Pro Emergency Strobe Light

4 x Adult Offshore Lifelackets ( 2 x Manual Gas Inflation, 2 x Automatic with built in safety harnesses - New 2018)
Navigation Equipment +
Panasonic Toughbook (From London Chartplotters) with Open CPN global charts (Connects to remote GPS antenna and also displays AIS information)
Iris 50 Handbearing Compass
Large number of Charts & Pilots covering UK, Atlantic France, Spain & Portugal + Western Mediterranean
CPT Electronic Autopilot - Brand new item fitted over the winter of 2017/2018. Amazing piece of kit perfectly matched to the Tiki 38. Cost over $2500.
Hebridean Servo-Pendulum Wind Vane Steering - Built by the owner, steered the boat constantly for 4 days crossing the Bay of Biscay
Domestic Equipment +
Nelson Spinflow Propane/Butane oker - 2 Burners, Grill & Oven
(3 x Camping Gas 2.75 Kg cylinders, 1 x 3.9kg Calor Gas (UK) cylinder)
Waeco CoolFreeze CFX 65Lit Fridge (12/220v)
AirHead Marine Composting Toilet
Igloo 100 95lit chest Coolbox (Mounted on centre deck and used for additional food/ drink stowage)
Magma Gas BBQ
Misc +
2 x 12v Electric Cabin Fans
Lightweight Deck Sunshade
Heavyweight Deck Sunshade/Awning with sides
Heavyweight Side Awnings (cover main companionways)
Skywatch Explorer Handheld Anemometer
PeakMeter MS6252A Digital Handheld Anemometer
Avon 3.1m (10ft) Inflatable Tender ( Two seats, aluminium floor, beaching wheels, underseat stowage bag, oars + two pumps)
Aluminium and Plywood Passarelle ( Stows on pod roof)