DG compared to standard displacement
and planing boat
The following diagram shows the performance advantage within a speed
range from displacing to planing using the example of the DG-Prototype
(Loa = 14.6 m)
As the diagram illustrates, DG achieves in the transition speed range
significantly higher speeds
than both the displacement and planing boat given the same power input.
The DG-effect is valid throughout a wide speed range: for a boat of
14.6 m it is 9 to 19 knots.
The DG prototype achieves a maximum advantage over other hulls of
approximately 30 per cent of power at 16 knots.
The investment costs comparisons for the propulsion facility and for
the operation costs between the vessels built according to the DG principles
and the conventional hull form show a significant advantage in favor of the
DG principle. The detailed evaluation of the model tests and the test rides
with the prototype show a possible reduction of operation costs and the
investment costs for the main engine of as much as
30 per cent.
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