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Old October 16th, 2009, 11:24 PM
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Default Alstom/Converteam Series 21

Has anyone who has worked with Alstom Series 21 experienced this one?
While on DP the operator changed the draft to accommodate for a change in draft due to loading. The system "mysteriously" put the draft to 0.0 m. The system will not let you enter anything lower then 2.6 m.
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Old October 19th, 2009, 02:24 AM
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Default Re: Alstom/Converteam Series 21

I have worked extensively with that system.
What did the operator try to change the draft to?
It makes sense that there is a minimum. At zero draft you wouldn't have any props in the water, so you wouldnt be able to DP anyways!
I wonder if when the system is initially configured if the minimum is a function of that vessels prop size...?
S.
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Old October 19th, 2009, 09:22 AM
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Default Re: Alstom/Converteam Series 21

The operator changed the draft from 3.5 m to 4.6 m due to loading of weighted mud. But, there was not indication on the print out that the change was made. Only the 0.0 m draft change. As far as the initial set up, I do not know what it was.
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Old October 20th, 2009, 01:25 AM
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Default Re: Alstom/Converteam Series 21

It sounds like a malfunction in the program.
Either that or operator error.
S.
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