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All I can say is....rubbish
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Thales replaces the first bow sonar for the Collins class Subs.
Thales UK sends first Collins-class replacement bow to Australia | Naval Today
The old days are over. Merchant Ships keels laid after next year have to have new low pollution engines and really only gas turbines make the grade. New MARPOL 2020 regulation on sulphur dioxide emissions requires all vessels globally to operate with no more than 0.5% sulphur in fuel content.
I loved a fuel oil burner HMAS Vampire blowing soot or smoke at least once a day. The Chief stoker would be stressed if delayed due to a pretty ship being down wind of us [biggrin] I hated it if in Whites and the wind was unkind!! [bighmmm][bighmmm][bighmmm]
Rolls Royce makes some cool ones
Sigh. Try again. YouTube
Engineering of the Titanic
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