Page 134 - Theory and Design of Air Cushion Craft

118 Steady drag forces

300

z
00
«
£T
=<
100
Available thrust
1. Table 3.2 K T=1.5, method 1
2. Table 3.2 A^l.O, method 3
20 40 60 80 100
v,(km/h)
Fig. 3.31 Comparison of total drag of ACV model 7202 between calculations and measurements.
w= 2.7751, (/B, = 2.14, A/( = 11.96, C 3 = 0.6, a" = 0.5°

600 -

500 -

400 -
Las fig 3.31
2. as fig 3.31
300 -

200 -

100 -

40 60 80 100
v^km/h)

Fig. 3.32 Comparison of total drag of ACV model 711-IIA between calculations and measurements.
- - ^ 0.4, a" =
w= 6.4t, (/B, = 2.15, A//C = 12 54 = 0.25°