I have found that the com- the body of the boat is raised entirely ponent of supporting force varies above the surface of the water, and as the square of the speed. The there maintained by the automatic component of frictional resist- adjustment of supporting plates, B B’, ance also varies as the… … across the line of motion) in- any tendency to sink, because of less- versely as the square of the ened speed, is immediately overcome speed, the resistance due to skin by the lifting effect of the automatic- Fitted with Surface Hydroplanes. friction and that due to the in- ally increased angle of…
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