Originally Posted by Jono
Hannah, I consider my RIB to be reasonably large and at rest it sits with a goodly proportion of its tubes in the water. Under power its just the rear end that kisses the water... it's not the fastest RIB in the world, so your assumption that the drag of tubes will create an issue at speed would appear correct. On the flip side, it's pretty damned stable and can be thrown about with gay abandon... and yes, as Rogue points out.. it's gotta look cool..
Our rib also has it's tubes in the water , perhaps thats why most larger ribs tubes are higher out of the water, which allows them to go a bit faster as dey are bigger ribs therefore faster