The Collins class subs had a bad reputation because Murdoch used them to assassinate Kim Beasley's reputation. He signed for them as defence minister and as they were being built he was ridiculed for the cost and awarding the contracts to be made in Australia. The media made them out to be hillbilly bathtubs that you could hear coming from the other side of the world. The latest subs are getting the same treatment as cost blow out and all the strange tender processes get unravelled. If you believe the current media about them, these French monstrosities are going to sink and not move either.
The Australian build was simply not an issue in the end. The actual build quality is very good.
The noise was largely propeller cavetation, which was recognised by the Australians, and they used a USA company to fix it.
The Swedish company did an OK job with the overall design, but it was new work for them as well and they made some major stuff ups.
Poor welding of some of their sections.
Some aspects, they said weren't specified, but should have been regarded as the norm for military equipment. IE A streamlined periscope.
The system of ballasting the fuel tanks with sea water not up to the task as it was designed.
Their reputation ended up shot and they've won no more business.
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