TSS Earnslaw

Last updated

TSS Earnslaw.jpg
History
Civil Ensign of New Zealand.svgNew Zealand
NameEarnslaw
Owner RealNZ
Builder McGregor and Company, Dunedin
Cost£20,850 ($41,700) [1]
Laid down4 July 1911
Launched24 February 1912
Maiden voyage18 October 1912
Refit1954 - Steam engines dismantled and reconditioned
Identification IMO number:  8138190
StatusIn service
General characteristics
Type Twin-screw steamer
Tonnage330  GRT
Length51.2 m (168 ft 0 in)
Beam7.3 m (23 ft 11 in)
Draught2.1 m (6 ft 11 in)
Installed powerTwin locomotive-type coal fired boilers, working pressure 180 psi (1,200 kPa)
PropulsionTwin triple expansion, jet condensing vertical marine steam engines producing 500 hp (370 kW) at 145 rpm; cylinder diameters, 13 in (330 mm) (high pressure), 22 in (560 mm) (intermediate), 34 in (860 mm) (low pressure); cylinder stroke, 18 in (460 mm)
Speed13 knots (24 km/h; 15 mph)
Complement11 crew, 389 passengers
NotesCoal capacity 14 tons

TSS Earnslaw is a 1912 Edwardian twin screw steamer based at Lake Wakatipu in New Zealand. She is one of the oldest tourist attractions in Central Otago, and the only remaining commercial passenger-carrying coal-fired steamship in the southern hemisphere. [2]

Contents

History

TSS Earnslaw, shortly after launch in 1912 SS Earnslaw 5.jpg
TSS Earnslaw, shortly after launch in 1912

At the beginning of the twentieth century, New Zealand Railways (NZR) awarded a £20,850 contract to John McGregor and Company shipbuilders of Dunedin to build a steamship for Lake Wakatipu at their Otago foundry and engineering works. [3] The Earnslaw was designed by naval architect Hugh McRae and was based on a Siemens-Martin steel hull design and using Kauri for the decking. Propulsion was provided by twin coal-fired triple-expansion, jet-condensing, vertically inclined engines. The keel was laid on 4 July 1911. [3] The ship was named after Mount Earnslaw, a 2,889-metre (9,478 ft) peak at the head of Lake Wakatipu. She was to be 51.2 metres (168 ft 0 in) long, the biggest boat on the lake, and the largest steamship built in New Zealand. [4] Transporting the Earnslaw was no easy task. When construction was finally completed, she was dismantled. All the one-quarter-inch (6.4 mm) steel hull plates were numbered for reconstruction much like a jig-saw puzzle. Then the parts were loaded on to a goods train and transported across the South Island from Dunedin to Kingston at the southern end of Lake Wakatipu.

Kingston Quayside with the Kingston Flyer Earnslaw 90TH.jpg
Kingston Quayside with the Kingston Flyer

After the hull was re-assembled, Earnslaw was launched on 24 February 1912. On 3 August, after the construction of the ship was fully completed, trials were commenced. On 18 August 1912, the Earnslaw was fired up for her maiden voyage to Queenstown, with Minister of Marine John A. Millar as captain.

She then became a valuable vessel for NZR and was known as the "Lady of the Lake". The Earnslaw worked with her sister ships, the paddle steamers Antrim and Mountaineer and the screw steamer Ben Lomond, transporting sheep, cattle and passengers to the surrounding high country stations.

In 1968, the Earnslaw was very nearly scrapped. She was leased by Fiordland Travel (subsequently Real Journeys, and then RealNZ) in 1969, and later purchased by the same company in 1982. She was taken out of service for a major refit in 1984. Her 12-metre (39 ft)-high funnel was painted bright red, with the hull a snow-white, and her kauri timber decks glassed in.

In 1984, the composer Ron Goodwin created a New Zealand Suite of six pieces recording his impressions of places he had visited. One of these is the "Earnslaw Steam Theme" based on the rhythm of the ship's engines, which he wrote after a trip to Lake Wakatipu. [5]

In March 1990, Queen Elizabeth II and Prince Philip travelled on the Earnslaw. Other royalty who have been on board include the Prince of Thailand and the King and Queen of Belgium.

In June 2021, a report into greenhouse gas emissions in Otago calculated that in the 12-month period July 2018 to June 2019, Earnslaw emitted 4,076 tonnes of 'carbon dioxide-equivalent'. This represented 1 percent of all transport-related greenhouse gas emissions in the Queenstown-Lakes District. [6] In October 2021, RealNZ announced that it was investigating carbon-neutral or carbon-zero means of powering the vessel. [7] At a celebration in 2022 of Earnslaw completing 110 years of service on the lake, RealNZ said that it was exploring biofuel, wood pellets and hydrogen as alternative sources of boiler fuel, but that a decision was a few years away. [8]

Captains

The ship's captains include the following:

Heritage status

Plaque TSS Earnslaw - Engineering to 1990 plaque.jpg
Plaque

A detailed history of the Earnslaw including archival photographs has been published in the NZ Maritime Record maintained by the NZ National Maritime Museum. [1]

In 1990, Earnslaw was recognised as a significant part of New Zealand's engineering heritage by the Institution of Professional Engineers New Zealand. The recognition was part of the “Engineering to 1990” project celebrating the country’s sesquicentenary in 1990. A plaque was fixed to the vessel to that reads: "IPENZ recognises this engineering work as an important part of NZ's engineering heritage. The largest steamship built in NZ it is now one of the world’s last coal-fired passenger steamers". [13]

In July 2013, the Southern Heritage Trust unveiled a plaque on the Dunedin Railway Station overbridge commemorating the location of the McGregor & Co factory where Earnslaw was built. [14]

Earnslaw on slipway TSS Earnslaw (26) (8655807591).jpg
Earnslaw on slipway

In December 2017, the New Zealand Ministry for Culture and Heritage recognised Earnslaw as one of twelve significant sites in Otago to be included in its Landmarks Whenua Tohunga programme. [15]

The Earnslaw is winched out of the lake on a cradle when major surveys are required. There is an historic slipway for this purpose at the south west corner of the Frankton arm of Lake Wakatipu. The slipway is equipped with a steam engine driven winch. The boiler and steam engine used to power the winch were originally in service on Lake Wakatipu in the paddle steamer Antrim, originally launched in 1869. The Antrim was dismantled from 1920, but the boiler and engine were recovered for use on the slipway. The Antrim engine is recognised as a significant part of New Zealand's engineering heritage. [16] [17]

Current status

Earnslaw in 2015 NZ220315 Queenstown 05.jpg
Earnslaw in 2015
Engine well Engine Room View TSS Earnslaw.jpg
Engine well

The Earnslaw celebrated her centenary in October 2012 [18] and continues in routine operation carrying tourist passengers across Lake Wakatipu from Queenstown to Walter Peak High Country Farm, a tourism operation with farm tours, horse treks, heritage tours, barbecue lunches and evening dining at the historic Colonel's Homestead.

The ship works fourteen-hour days in the summer months and cruises for eleven months of the year, despite being over 100 years old. Visitors to the region can undertake a 1.5-hour cruise on board Earnslaw and view the workings of the steam engine and stokers.

Each year, Earnslaw undergoes an annual survey – typically from late May to early June – with every second year being taken out of the lake. [19]

Passengers have access to a walkway in the engine room, where they can observe the operation of the engines during the cruise.

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References

  1. 1 2 "The Twin Screw Steam Ship Earnslaw of 1911". NZ National Maritime Museum. Archived from the original on 20 December 2020.
  2. ↑ Beech, James (6 July 2009). "'Earnslaw' back after upgrade". Otago Daily Times. Allied Press. Archived from the original on 15 May 2021. Retrieved 23 May 2010.
  3. 1 2 Hughes, Miles (2012). 150 years of New Zealand Shipbuilding 1795-1945 (2nd ed.). Miles Hughes Publications. pp. 598 and 599. ISBN   978-0-473-22207-9.
  4. ↑ As stated on a plaque commemorating the ship's building, close to Dunedin Railway Station and erected by IPENZ.
  5. ↑ "Obituary: Ron Goodwin". The Herald. 17 January 2003. Archived from the original on 20 December 2020.
  6. ↑ "Queenstown 'Lady of the Lake' under scrutiny for environmental impact". RNZ. 11 June 2021. Retrieved 17 June 2021.
  7. ↑ Jamieson, Debbie (18 October 2021). "Coal-powered TSS Earnslaw steamship looks to go green". Stuff. Archived from the original on 25 March 2022. Retrieved 26 October 2021.
  8. ↑ "Queenstown's TSS Earnslaw steams toward greener future". RNZ. 18 October 2022. Retrieved 13 November 2022.
  9. 1 2 3 4 Mackay, p. 40
  10. ↑ NZR List of Staff: Salaried Division: Miscellaneous, 1964, p. 34.
  11. 1 2 McLeod, p. 74.
  12. ↑ NZR List of Staff: Salaried Division: Miscellaneous, 1964, p. 34 and 1967 p. 33.
  13. ↑ "T.S.S. Earnslaw". Engineering New Zealand. Archived from the original on 20 December 2020.
  14. ↑ Benson, Nigel (6 July 2013). "Ship's birthplace marked". Otago Daily Times. Archived from the original on 22 December 2020.
  15. ↑ "Landmarks Whenua Tohunga showcasing Otago's history and heritage". Ministry for Culture and Heritage. 15 December 2017. Archived from the original on 20 December 2020.
  16. ↑ "Antrim Engine". Engineering New Zealand. Archived from the original on 20 December 2020.
  17. ↑ "Behind the scenes of the TSS Earnslaw on survey". Real Journeys. 26 March 2019. Archived from the original on 20 December 2020.
  18. ↑ "TSS Earnslaw Centenary celebrations officially launched". Real Journeys. 15 October 2012. Archived from the original on 20 December 2020.
  19. ↑ Williams, Guy (12 May 2021). "The Lady takes a rest". Mountain Scene. Archived from the original on 14 May 2021. Retrieved 15 May 2021.

Bibliography

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