In article t,
otnmbrd wrote:

Wrong. SOME ferries have Voight Schneider, not most, and it's by NO
means a high speed drive, although it will increase maneuverability.

TTBOMK all CalMac RO-RO ferries have VS propulsion units and they
have a lot of ferries.

--
A T (Sandy) Morton
on the Bicycle Island
In the Global Village
http://www.millport.net