Assertion: hovercraft | /r/CapableOf | create a pressure wave
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text: all hovercraft create a pressure wave known as “The Hump” when starting on water, so always check the on-water payload specification of a hovercraft before purchase – hovercraft generally pick up 50% more weight when starting on land since no pressure wave exists.
text: When hovercraft start on water, the hovercraft creates a pressure wave known as the Hump – sometimes hard to get over and become airborne.