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Old 03-20-2013
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Return diesel fuel to the tank?

I read the posts regarding the loss of the HMS Bounty last year and one item confused me. This is a quote about the chief engineer from the linked article :

"That he wasn’t licensed doesn’t mean he was professionally deficient – that he couldn’t correctly answer the simplest questions about diesel engines did. Believing that Bounty’s engines burned all the supplied fuel and that her engines “didn’t return any fuel to the tanks – they burned it all,” was all anyone needed to hear."

I'll admit to being ignorant of an awful lot of engine info; especially diesel engines, but I don't get this. The quote makes it sound like anyone knowledgeable of large (I assume?) diesel engines knows that they return fuel to the tank.

Can someone tell me why?

I can only guess that it is some sort of fuel polishing. i.e. 'Draw and filter twice as much fuel as you need, and return the filtered fuel to the tank.'

I that it or is there more going on?

Five decades on the planet and still a newbie,

Ken
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Testing a mother's love since 1962
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