Re:Starting delftship: taking design changing …

[Gerd F. Berges]

… such would be more difficult in questions of torsion and draft, but easier to be handled in relation to inner hull stability.

Are there any information concerning aquadynamics?

Sure there are rules concerning the free space between the two hulls of catamataran, but in general concerning sailing catamarans, because the water could not ‘squirt’ away …

Could a ‘semi-catamaran’ with double sequent propellers in the middle not be defined as jet drive?