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Newzealand navy
Navy warships to get new engines
The navy's two Anzac frigates are about to get new main engines as part of their mid-life upgrade.
The first of the warships, HMNZS Te Kaha, was launched in Melbourne in 1995 and commissioned into the navy two years later.
Its sister ship HMNZS Te Mana, was launched in 1997 and commissioned in Tauranga in 1999.
Both ships were fitted with two gas turbines similar to those fitted to Boeing 747 aircraft, and two diesel engines, giving them a top speed of close to 30 knots.
Four new engines for the two ships were due to arrive in Auckland at the Devonport Naval Base this week.
The new engines would cost $7 million for each ship when they were fitted, said Captain Fred Keating, assistant chief of navy (capability).
He said the new engines would give better performance and fuel economy at up to 18 or 19 knots until the gas turbines kicked in for high-speed runs.
He said in the 10 years since the 3600-tonne ships were commissioned they had "grown" by up to two tonnes a year as more capability was added.
"That is extra weight we have to move."
Some parts from the old engines would be canibalised for the new engines. The old engine carcasses had a high residual value and would be sold, he said. Te Kaha would be fitted with new engines in a 16-week refit in the middle of next year and Te Mana would follow.
To get the new engines into the engine rooms the Seasparrow missiles behind the funnel would be removed.
He said with only two frigates the navy had to balance availability with defence demands.
Rui Elias Maltez escreveu:Mais novos que os nossos, e já em MLU?
https://www.janes.com/article/82377/hyu ... eet-tankerHyundai lays keel for New Zealand’s naval fleet tanker
Ridzwan Rahmat, Singapore - Jane's Navy International
14 August 2018
Computer generated imagery of the Royal New Zealand Navy's new fleet tanker, which was laid down by Hyundai Heavy Industries in August 2018. Source: Royal New Zealand Navy/Hyundai Heavy Industries
Key Points
Hyundai has laid down a 173 m fleet tanker on order for the Royal New Zealand Navy
Country is on track to receive the vessel, which will support global deployments of the New Zealand Defence Force, by 2020
South Korean shipbuilder Hyundai Heavy Industries (HHI) has laid down the fleet tanker on order for the Royal New Zealand Navy (RNZN).
Keel for the vessel, which will be in service as HMNZS Aotearoa (A 12) once commissioned, was laid down on 13 August at HHI’s facilities in Ulsan, the New Zealand Defence Force (NZDF) announced via an official social publishing platform on the same day. The tanker was acquired under a NZD493 million (USD323 million) contract announced in 2016.
Once completed, Aotearoa will displace 24,000 tonnes with an overall length of 166 m, an overall beam of 24.5 m, and a design draught of 8.5 m – making it the largest vessel to be operated by the RNZN. The tanker will incorporate an ‘axe bow’ design in its forward section for fuel efficiency, has a top speed of 16 kt, and a maximum range of 6,750 n miles.
The ship, which has been described by the NZDF as one that is “built specifically to address global requirements of the New Zealand Defence Force and government agencies for deployment from Antarctica to the Arabian Gulf”, will have liquid cargo capacity for 8,000 tonnes of diesel fuel, 1,550 tonnes of aviation fuel, and 250 tonnes of fresh water. Fuel for vessels can be delivered via two NATO-compliant replenishment-at-sea (RAS) masts, one each on the port and starboard sides.
Besides fuels and conventional cargo, the tanker can also accommodate up to 12 standardised 20 ft containers, four of which can contain dangerous goods such as ammunition. The ship will be equipped with a winterised crane that can lift to 25 tonnes.