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Name Official number Flag IMO
PROBLEM    GBR   
Year built Date launched Date completed
1842  12/10/1842   
Vessel type Vessel description
Yacht   Iron Sailing Vessel  Square Sail
Builder Yard Yard no
J Brown & Co, Kirkcaldy    
 

Tonnage Length Breadth Depth Draft
 /  / 6.0 m  1.0 m  1.8 m   
Engine builder ,
Engine detail
 

First owner First port of register Registration date
Henry Dempster, Kinghorn     
Other names
 
Subsequent owner and registration history
 
Vessel history
A small experimental vessel designed by Henry Dempster
12/1842 successfully demonstrated at Leith
9/1843 in demonstration race against conventional yachts, beat one, lost to another
14/12/1843 broke moorings off Inchkeith, Firth of Forth in a storm and washed up near North Berwick; later refloated, undamaged
2/8/1844 arrived North Shields (sailed from Leith by Dempster, single-handed, en route to London for demonstrations); further trials in River Tyne
1847 still at North Shields as Dempster's funds exhausted.
c1848 laid up on the beach near Low Lights, River Tyne, with some damage 
Remarks
Nicknamed "Cocked Hat" after its appearance.
Rigged with a central mast setting three square sails, and two smaller masts either side setting a single triangular sails sheeted by outriggers
Dimensions derived from NMM model at 1:6 scale  
End year Fate / Status
1850  Dismantled  
Disposal Detail
While laid up on beach near Low Lights, much of the vessel, including 17cwt of lead ballast, was "dismantled" and removed by persons unknown, between summer 1849 and discovery by Henry Dempster in June 1850.  
 

 



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