Page 110 - Theory and Design of Air Cushion Craft
P. 110
94 Steady drag forces
o.io
0.05
accelerated I
motion \ Test results
Fig. 3.11 Variation of craft drag/weight ratio on accelerating craft over shallow water.
Figure 3.12 shows the wave-making drag at various F r, yawing angle, and cush-
ion length-beam ratios. It may be noted that the wave-making drag when yawed is
30 50 70 90
Fig. 3.12(a) Wave-making drag coefficient for yawed craft, F r = 0.6.
