Evaluation of Aardvark Mk IV Flail - gichd

List of Figures
Figure 3-1; Aardvark Mark IV 3
Figure 6-1; Plan view of Aardvark 8
Figure 6-2; Measuring the height of Aardvark 9
Figure 6-3; Using load cells to weigh Aardvark 11
Figure 6-4; Measuring the Approach Angle with a straight edge and clinometer 13
Figure 6-5; Aardvark on the gravel used for a Turning Circle 14
Figure 6-6; Turning Circle 15
Figure 6-7; Aardvark climbing Birch Up Road (Grad. 1 in 3.5) 17
Figure 6-8; Graph of Flailing Depth against Speed 18
Figure 6-9; Speed = 67m/hr, Depth = 528mm 19
Figure 6-10; After flailing at 100m/hr 19
Figure 6-11; After flailing at 150m/hr 20
Figure 6-12; After flailing at 200m/hr 20
Figure 6-13; After flailing at 300m/hr 21
Figure 6-14; After flailing at 600m/hr 21
Figure 6-15; After flailing at 900m/hr 22
Figure 6-16; After flailing at 1200m/hr 22
Figure 6-17; Measuring Level used 23
Figure 6-18; Aardvark entering the water filled gully 25
Figure 6-19; At the end of the water run 25
Figure 6-20; Foliage and terrain encountered in test area 27
Figure 6-21; Aardvark at the start of the run 27
Figure 6-22; Aardvark at the end of the run. Note the large debris thrown from the flail 28
Figure 6-23; Test run after clearance, compare with Figure 6-14 28
Figure 6-24; Test run before clearance 31
Figure 6-25; Test run after clearance, 31
Figure 6-26; View of Aardvark flailing the fire-break. 32
Figure 6-27; Plan of Run 1 34
Figure 6-28; Layout before Run 1 35
Figure 6-29; Test area after Run 1 35
Figure 6-30; Although just outside flail width (shown by pin above the mine) one fuse was
removed. 36
Figure 6-31; Giat mine with evidence of the flail encounter 36
Figure 6-32; Position of mines after Run 1 37
Figure 6-33; Plan of Run 2 38
Figure 6-34; Layout of Run 2 39
Figure 6-35; Test area after Run 2 39
Figure 6-36; GIAT mine 25m behind Aardvark 40
Figure 6-37; Spoil after run 2 40
Figure 6-38; Plan of Run 3 42
Figure 6-39; Layout of 3 43
Figure 6-40; Aardvark flailing Run 3 43
Figure 6-41; End of Run 3 44
Figure 6-42; Spoil after Run 3 44
Figure 6-43; Plan of Run 4 46
Figure 6-44; Layout of Run 4 47
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DERA/LWS/LSAA/TRD000603/1.2