uHoverCraft - Has Fabric Cushion Seal All Around
•Amphibian - May Be Valuable On Some Routes
uSurface Effect Ship (SES) - Actually a Planing or Displacement/ACV
Hybrid - Not Amphibian
•Less Fan Power But More Hull Drag, No Side Seals
•Some Designs Require No Seals At All
uACVs Still Have Wakes, Still Have Wave Drag
uMotions Can Be A Problem
•Besides Normal Motions, ACVs Can “Cobblestone”
uPropulsion Systems Can Be Complex & Expensive
•Especially For Amphibian Designs