Yes, but the 4 Diesel and 2 turbo Diesel generators burn 28 TONS of
fuel/hour when doing 30 knots. Not very ecologically friendly, though it is
more efficient and more maneuverable than a conventionally driven vessel
because the two front pods rotate a full 180 degrees. John
On Sat, Aug 1, 2009 at 7:41 PM, Matthew Geier <matthew@acfr.
>
>
> Myles Twete wrote:
> >> The Queen Mary runs on electrics...
> >>
> >
> >
> >
> > Queen Mary 2 is propelled by electric motors, but its electric energy is
> > created by 4 diesel engines (67Mw total) and 2 gas turbines (50Mw total).
> >
> > Queen Mary 1 was steam powered.
> >
> >
> >
> > QM2 is a great example to point out to skeptics who think that it would
> make
> > no sense to have a larger boat propelled by electric motors if you'd need
> a
> > genset to create the electricity.
> >
> Electricity is a common 'transmission' for large haul applications. Not
> just large ships. The world is covered with 1000s of 'diesel electric'
> railway locomotives - from approx 1000hp up. There has to be a reason
> why electricity is the favoured transmission for every thing from large
> ships, railway locomotives to mining draglines and haul trucks.
>
> My non sailing boat is small enough and slow enough that the primary
> energy source can be storage batteries. (Which hasn't been used for
> months now, Winter here, and the motor/controler is inside my house, not
> on the boat - only the batteries and the charger are still on board,
> top-up charging at this very moment (If the charger hasn't shut off
> already).
>
>
>
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