Grand National Hydroplane, aka GNH or 7 Litre, is the largest non-supercharged Inboard hydroplane class. Powered usually by big


Grand National Hydroplane, aka GNH or 7 Litre, is the largest non-supercharged Inboard hydroplane class. Powered usually by big block Chevrolet based engines (up to 511 cubic inches) with an hot rod racing engine(750+ horsepower), the highly competitive GNH’s have 150 mph capability and throw 70-foot roostertails, thrilling drivers and fans alike.


Size: 4500px × 3000px
Location: Lake Chelan, Washington, USA
Photo credit: © Richard Uhlhorn / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: american, apba, association, boat, fast, grand, hydroplane, national, power, powered, powerful, racing, v8