Yunnan II

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Sister of the Changchow II

Yunnan II
ID /IMO No. 1114797.
Type Cargo/passenger.
Gross Registered Tonnage 1,953 grt. 1,206 nett
Builder Scott & Co. CD. Yard No. 373.
Delivery date Dec.13th. 1901.
Hull Steel, clincher construction.
Decks 2,
Length 275.0 ft. F'c'sle 30.0 ft. Bridge 70.0 ft.
Width 38.0 ft.
Depth 22.5 ft.
Engine Builder Greenock Foundry Co.
Engine Type Steam, triple expansion.
Engine cylinders 3, 19 ins.dia. 31 ins.dia. 53 ins.dia.
Engine stroke 3.25 ft.
Engine Power 250 nhp. 1,100 ihp.
Propulsion mode Single screw.
Speed 11 kts.
Rigged Schooner.
Displacement 4,128 tons.
Deadweight 2,770 tons.
Bale capacity 129,585 cu.ft.
Block coefficient (Cb) 0.768
Power Steam.
Condenser cooling surface 1,750 sq.ft.
Steam expansion ratio 12.5
ratio_of_air_pump_capacity_to_lp_cylinder_volume 18.3
ratio_of_sw_circulating_pump_capacity_to_lp_cylinder_volume 17.9
Boiler 2, cylindrical (scotch)
Boiler pressure 190 psi.
Boiler dimensions (total) 14.5 ft. high, 10.25 ft. long.
Heating Surface (total) 3,362 sq.ft.
Grate Area (total) 110 sq.ft.
Steam space volume 886 cu ft.
Fuel Coal.
Furnace 3 per boiler.
Furnace dimensions 3'6" dia. 7'0" long.
Draught natural.
Propeller Right hand, 14.) ft.dia. 16.0 ft.pitch.
Propeller blades 4
Propeller formation Solid.
Propeller material Cast iron.
Built classification society B.O.T.
Launched Oct 31st. 1901.
Original owner China Navigation Co.


June 1930. Sold to Osaka Kaiji for breaking up.


Built for the China coast trade.

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