Page 74 - Theory and Design of Air Cushion Craft

58 Air cushion theory

(a)

(b)
Fig. 2.8 Test section of the large skirt test rig: (a) side view; (b) skirt and movable bottom.

Table 2.3 Test sample data for small skirt test rig
= 0.0289
S/B h
xlB = 0.512
Project 1 0.715
Project 2 1.0
Project 3 1.285

results would be increased, thus the test data would be unstable and scattered.
Nevertheless it could be used as a qualitative investigation for selecting the skirt con-
figuration for test in the larger rig. The test sample data for the big skirt test rig are
shown in Table 2.4.