HMB Endeavour replica - specifications

Endeavour cutaway drawing by David HobbsJames Cook's HMB Endeavour formerly Whitby cat collier Earl of Pembroke

Whitby cats: Box shaped merchant sailing ships designed to carry coal and timber. Their flat bottoms allowed the ships to be driven onto a river flat or beach at high tide, loaded or unloaded at low tide, then floated off again. This was how Cook and his men repaired Endeavour after running aground off east coast of New Holland (on the Great Barrier Reef, Australia) in 1770.

Bark versus Barque: All the surviving British Admiralty documentation of 1768 title the ship used by James Cook for his 1768-1771 voyage of discovery as the Bark Endeavour. In the 18th century, ships were classified by hull shape. A ship with a flat bow and square stern was termed a Bark. If the ship did not fit any category and the rank of the captain was Lieutenant, she was also classified Bark. Resolution, Cook's ship on his second and third circumnavigations, was also a Bark, but was classified a Sloop due to Cook's promotion to Commander.

By the 19th century ships were classified by rig not hull shape. A sailing ship with three or more masts, carrying square sails on all but the after mast or mizzen, was called a Barque.

Enlarge cutaway drawing

Name:  Endeavour 
Type:  Ship-rigged Bark 
Flag:  Australia 
Owner:  Australian Government 
Management:  Australian National Maritime Museum 
Homeport:  Sydney, Australia 
Keel laid:  October 1988 
Launched:  9 December 1993 
Commissioned:  16 April 1994 
Dockyard:  Mews Road, Fremantle, Western Australia 
Displacement:  550 tonnes 
Gross tonnage 397 
Hull construction:  Jarrah below the waterline, Oregon above 
Length extreme:  end bowsprit to end stern 143'5" (43.7 m) 
Length overall:  109'3" (33.3 m) 
Length waterline:  101'5" (30.92 m) 
Beam:  29'2" (8.89 m) 
Depth in hold:  11'4" (3.45 m) 
Draught:  11'10" (3.6 m) 
Sails:  27 - 9 square, 8 fore and aft, 10 studding sails 
Height of mizzenmast:  78'9" (24 m) 
Height of mainmast:  127'11" (39 m) 
Height of foremast:  109'10" (33.5 m) 
Machinery Two 405-hp, 6-cylinder Caterpillar diesels with 4.5: 1 reduction gear boxes driving 3-bladed, 4 ft diameter controllable-pitch, fully-feathering propellers. Two diesel generators, one for day running and one for overload and night operations. Fuel capacity of 24,600 litres. 
Speed:  Average under engine 5 knots under sail 2.5 knots. 
Sea crew - professional:  16 
Voyaging crew - amateur 36 
Supernumeraries - passengers: 
Figurehead:  None 
Carving:  stern, quarter badge windows, carrick heads 
Employment Sailing museum replica ship 
Survey:  AMSA USL 2A which gives Endeavour an unlimited international range as a sailing cargo ship. Endeavour is not a sail training ship. 

Endeavour deck layouts smEnlarge deck layout

ENDEAVOUR SAIL AREA approximately 10,000 sq feet (930 m2)

On bowsprit

  • 1. Spritsail topsail 467 sq ft (43.38 m2)
  • 2. Spritsail 435 sq ft (40.41 m2)
  • 3. Jib 468 sq ft (43.39 m2)
  • 4. Fore top stay sail 384 sq ft (35.67 m2)


  • 5. Fore course 840 sq ft (78.04 m2)
  • 6. Fore topsail 989 sq ft (91.87 m2)
  • 7. Fore t'gallant 467 sq ft (43.38 m2)

Between Fore & Main

  • 8. Main topmast staysail 630 sq ft (58.53 m2)
  • 9. Main t'gallant staysail 450 sq ft (41.8 m2)
  • 10. Main staysail 431 sq ft (40.04 m2)


  • 11. Main course 1197 sq ft (110.74 m2)
  • 12. Main topsail 404 sq ft (37.53 m2)
  • 13. Main t'gallant 519 sq ft (48.22 m2)

Between Main & Mizzen

  • 14. Mizzen staysail 85 sq ft (7.9 m2)
  • 15. Mizzen topmast staysail 155 sq ft (14.4 m2)


  • 16. Mizzen course (driver) 308 sq ft (28.6 m2)
  • 17. Mizzen topsail 643 sq ft (59.73 m2)
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