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Old 06-14-2014, 03:51 AM   #1
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City: Mooloolaba
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Vessel Model: Bert Ellis Timber motor cruiser
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Robert Bebe Seabiscuit IV

I just spotted Seabiscuit IV here in Mooloolaba.
I know she had been on the market down south but looks like she is sold and heading north.
Good to see such a great boat out cruising.
I have attached a photo but it is a bit poor.

Seabiscuit IV - Robert Beebe designed long-range motor sailor
SOLD !!


Principal Dimensions

LOA - 58’ LOA, 50’ on deck, 48’ waterline
Beam 16’
Draft 6’6”
Displacement 30 tonnes – unladen
Ballast 4 tonnes of manganese lead scarfed into full length keel.

Sail area 1,110 Sq.ft ( 7 sails inventory)
Engine Gardner 6LX 120 hp
Genset Westerbeke 6KW

Fuel Cap. 5000L
Water cap. 1000L

History

She was built by William Heard at Broadwater yachts in Ballina, NSW . Australia in 1985. She was built to commercial registration standards to carry passengers.
She was used as a chartered yacht in Sydney for several years before being delivered to HK in 1995. We have had her since 1999 and took her for a 3500 mile , 6 month family cruise through the Philippines and Malaysian waters in 2000. Now she is our home in Hong Kong, and taken out a couple of times a month throughout the year and continuously maintained.

Seabiscuit IV was built to the same hull shape as ‘Passagemaker’ and the process of designing that optimized long range hull is fully described in the book ‘Voyaging under Power” by Robert Beebe.


Construction

Carvel built of spotted gum and white beech on spotted gum frames.
White beech deck, ,
Yellow wood double diagonal bulkheads,
Rosewood, Silver Ash, Black bean and Crow’s ash interior & furniture
( The names may be misleading - All are Australian timbers – and forms of eucalypt/gum tree )
Copper fastenings with bronze nuts & washers.

Both masts Aluminium, rigging SS Stranded, oversized and checked thoroughly in 1999 when rigs were removed to fit steps and separate trysail track.

Equipment

Gardner 6LX engine driving 36” Hundestadt variable pitch prop
Westerbeke 6KW genset – new in 1999
Heart Interface 2KW freedom charger/Invertor
Heart Link 2000 battery monitor
800Ah battery bank – main
200Ah 12V system – solar maintained (4x55W Siemens panels)
PUR survivor watermaker
Dive compressor
Full sunbrella covers – fixed poop deck frame carrying solar panels
‘Flopper stopper’ for rolly anchorages
3 anchors
24v Windlass
Hydraulic steering with two stations – pilot house/ deck
TMQ Ap4 / Benmar Autopilot system
12’ Avon RIB, (old) 8hp Outboard
10 man liferaft
EPIRB/Flares etc.
VHF
Inmarsat Mini-M station - Trane&Trane voice/data telephone

Shipmate RS5000 GPS plotter
B&G Network Speed/depth/GPS
Interphase forward scanning sonar
NASA Navtex receiver



Performance

Designed for optimum range at 7.5kts she achieves this at about 800rpm in flat water, and uses a little over 1L/mile. Cruising range is conservatively 3500 miles. To sail well needs 18-30kts of wind, but decks stay very dry and in all conditions she is easily handled by 2 people and not hard to single hand.
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Old 06-14-2014, 07:58 PM   #2
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This should be a better photo
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Old 06-14-2014, 10:16 PM   #3
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4 hp per ton.

I believe I claimed that to be the ideal power loading for a full displacement trawler type boat in the past. Passagemakers need enough power for heavy seas and wind. But for fuel efficiency any excess of power and engine size means some efficiency lost so it would seem important to get this right. Trawlers don't need much extra either. My Willard has 5hp per ton. Just a bit more power than the standard Willard as it was built. Five hp per ton is more than enough and 3hp per ton would probably be a bit shy so it can be seen that for FD craft there is a very small range of of variation to the ideal power loading.

So if great importance is placed on fuel efficiency a FD hull powered by 4hp per ton should be very close to ideal.


Thanks for the post Ben.
Anybody interested in trawler or passagemaker design should get a copy of Voyaging Under Power. Very interesting and additionally a pioneering achievement.
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Old 05-14-2015, 08:02 PM   #4
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Vessel Name: Seabiscuit IV
Vessel Model: 50' Robert Beebe Trawler
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Hi all,
I'm the lucky owner - just joined the forum and looking forward to participating. We have done about 3000nm in Seabiscuit IV in the past 12 months and could not be happier - an awesome boat (even if I am a bit biased). We are currently back in Mooloolaba for a week or so - on the way back up to the Whitsundays and then outer coral sea atols (Diamond Islets etc). Cheers
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Old 05-14-2015, 08:12 PM   #5
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Welcome to the forum!

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Old 05-14-2015, 08:49 PM   #6
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Great looking boat!
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Old 05-14-2015, 11:27 PM   #7
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Welcome to the forum, Seabiscuit! What a vessel!! I hope once you get to know us you'll take us on a virtual tour. Loved the flyby video.

I'd love to buy you a beer someday. No doubt you have some great stories to tell.

Glad to have you aboard!!
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