New Zealand Gazette – 1866 – No. 51

Page 352

✨ Ship Voyage Logs



352
THE NEW ZEALAND GAZETTE.

ABSTRACT OF ENGINEER'S LOG of P.N.Z.A.R.M.C. ship "Rakaia"—continued.

DATE. Revolutions per Minute. Steam Gauge. Vacuum Gauge. Coals Consumed. Distance Run. Hours Steaming. Density in Boilers. REMARKS.
lbs. inches tons knots
June 6 27.5 30 28 38 250 24 2.32 Using all Scotch coal; ship rolling heavy.
" 7 26 28 28 33 256 24 Weather moderating; hatches uncovered.
" 8 26.3 28 28 34 263 24 Weather moderating; mixing Scotch coal and patent fuel.
" 9 27 28 28 34 265 24 Weather moderating; mixing Scotch coal and patent fuel.
" 10 26.4 28 28 34 252 24 Weather fine; sea smooth; no sail set.
" 11 26.7 28 28 34 260 24 Weather fine; sea smooth; trysails set.
" 12 26.5 28 27 34 269 24 Reversed the engines to try the starting gear.
" 13 26.5 28 27 34 276 24 Weather fine; sea smooth.
" 14 26.6 28 27 34 265 24 Weather fine; sea smooth.
" 15 26.5 27 26 34 272 24 Losing the vacuum, temperature of sea water, 82°.
" 16 26 27 26 34 246 24 Losing the vacuum; sea smooth.
" 17 26 26 26 34 267 24 Losing the vacuum; sea smooth.
" 18 26 26 26 17 70 6 Arrived at Tobago at 6 p.m.
" 24 ... ... ... 13 ... 22 Got up steam and left Tobago at 5 p.m.; fires banked.
" 25 24.4 28 28 28 200 22 Left Panama at 2 p.m. Immersion for'd, 22ft. 7in.; aft, 19ft.
" 26 25.4 28 28 28 217 24 Head wind; light swell.
" 27 26.2 27 28 29 230 24 Head wind; boilers priming badly.
" 28 26.6 27 28 29 260 24 Head wind; boilers priming badly.
" 29 27 27 28 30 284 24 Leading wind; square sails set.
" 30 27.5 27 28 31 305 24 Leading wind; square sails set.
July 1 24.7 26 28 26 267 24 At noon stopped the engines to try the speed.
" 2 26.5 26 28 31 264 24 Ship under canvas alone; speed obtained four knots per hour.
" 3 26.7 26 28 33 264 24 Square sails taken in.
" 4 26.5 26 26 33 260 24 Trysails set; weather fine; sea smooth.
" 5 26.2 27 26 32 258 24 Trysails set; weather fine; sea smooth.
" 6 26.2 26 26 32 260 24 Trysails set; swept the tubes of one boiler.
" 7 25 25 26 30 246 24 Trysails set; swept the tubes of second boiler.
" 8 24 25 25 30 228 24 Draft very bad; took part of the bridges out of furnace.
" 9 24 25 25 32 220 24 Weather fine; heavy head swell.
" 10 25.6 27 25 32 232 24 Cloudy, with rain; heavy head swell.
" 11 25 26 25 32 222 24 Stopped the engines ten minutes to adjust the links.
" 12 23.7 25 24 17 150 13 At noon, stopped the engines, disconnected the screw shaft, and
" 13 21 25 28 27 206 24 put the ship under canvas; fitted in discharge valves in
" 14 24 24 28 30 212 24 circulating pump; the engines stopped eleven hours;
" 15 24.7 22 28 30 241 24 speed of ship nine knots.
" 16 21 24 28 27 140 24 Strong gale; hatches battened; under easy steam.
" 17 25 21 28 30 220 24 Strong gale; hatches battened; under easy steam.
" 18 26.7 26 28 34 257 24 Weather moderating; hatches uncovered.
" 19 22 26 28 24 132 24 Strong head wind; hatches battened.
" 20 18 20 28 17 120 24 Strong head wind; engines dead slow.
" 21 25.5 26 28 32 236 24 Weather moderating; square sails set.
" 22 27.1 26 28 38 262 24 Fair wind; square sails set; using patent fuel.
" 23 26 26 28 23 130 14 Arrived at Wellington at 2 a.m.
" 26 28 28 60 215 28 Left Wellington at 5 p.m.
" 27 26.5 26 28 60 261 24 Weather fine; sea smooth; using Colonial coal.
" 28 27 27 28 60 248 24 Weather fine; sea smooth; using Colonial coal.
" 29 26 27 25 60 210 24 Strong head wind; hatches battened.
" 30 21 22 25 36 148 24 Under easy steam; very little coal left.
" 31 18.5 22 25 34 105 24 Under easy steam; very little coal left.
August 1 ... ... ... 30 100 22 Arrived in Sydney Harbour at 10 a.m.

SUMMARY OF ABSTRACT OF VOYAGE FROM ENGLAND TO PANAMA.

Time from England to Panama, 57 days 7 hours. Stoppage in harbour and in Magellan Straits, 11 days 21 hours.
Actual time Steaming, 45 days 10 hours. Total Distance run, 11,311 knots; per hour, 10.37; slip, 10.19 per cent. Total
revolutions, 1,745,765; average per minute, 26.69. Total fuel expended, 1,492 (25 tons used in galleys); 26.69 cwt. per hour.
Tube surface in boilers, 4,555 sqr. feet; tube surface in condenser, 4,508 sqr. feet; fire-grate surface, 273 sqr. feet.
Diameter of high-pressure cylinder, 43 inches; diameter of low-pressure cylinder, 79 inches; length of stroke, 4 feet 3
inches. Diameter of propeller, 15 feet; pitch, 17 feet; 4 blades, area of do., 71 sqr. feet. Geared Engines, with internal
gearing, 2.57 to 1. Length of ship, 265 feet; breadth, 34 feet; depth, 26 feet; area of immersed midship section at 26ft. 6in.,
618 sqr. feet; displacement at 20ft. 6in., 3,139 tons. The ship propelled 7 knots with one ton of coal, at the rate of 10.37 knots
per hour. Two round boilers, each 13ft. 6in. in diameter; length, 16 feet; 6 furnaces in each. Nominal horse-power, 350;
indicated, 1,500.

SUMMARY OF ABSTRACT OF VOYAGE FROM PANAMA TO WELLINGTON.

Actual time steaming, 28 days. Distance run 6,523 knots; per hour, 9.707. Revolutions, 1,019,502; average per
minute, 25.3. Total fuel expended, 860 tons—11 tons used in galleys = 849 tons = 25.25 cwt. per hour.

J. ROBISON.

Printed under the authority of the New Zealand Government' by GEORGE DIDSBURY, Government Printer, Wellington.




Online Sources for this page:

VUW Te Waharoa — PDF NZ Gazette 1866, No 51




✨ LLM interpretation of page content

🚂 Abstract of Engineer's Log and Voyage Summaries for Ship Rakaia (continued from previous page)

🚂 Transport & Communications
5 September 1866
Ship log, Rakaia, Engineering data, Voyage summary, Coal consumption, Panama, Wellington, Sydney
  • J. Robison