Evaluation of Aardvark Mk IV Flail - gichd

Evaluation of Aardvark Mk IV Flail - gichd Evaluation of Aardvark Mk IV Flail - gichd

30.11.2012 Views

6.4.4 Obstacles - Water (A5/1) 6.4.4.1 Description: 6.4.4.2 Results: Page 24 of 77 Aardvark was sent into a water filled 450mm deep gully in flailing mode. See Figures 6.18, 6.19. Aardvark started flailing at 200m/hr but to get better water penetrationl speed was reduced to 67m/hr. At 67m/hr a flail speed of 1970rpm was held. 6.4.4.3 Comments & Observations There was no way of telling whether the flails were hitting the bottom although rocks and a tin can were thrown up. DERA/LWS/LSAA/TRD000603/1.2

Figure 6-18; Aardvark entering the water filled gully Figure 6-19; At the end of the water run DERA/LWS/LSAA/TRD000603/1.2 Page 25 of 77

6.4.4 Obstacles - Water (A5/1)<br />

6.4.4.1 Description:<br />

6.4.4.2 Results:<br />

Page 24 <strong>of</strong> 77<br />

<strong>Aardvark</strong> was sent into a water filled 450mm deep gully in flailing mode. See Figures<br />

6.18, 6.19.<br />

<strong>Aardvark</strong> started flailing at 200m/hr but to get better water penetrationl speed was<br />

reduced to 67m/hr. At 67m/hr a flail speed <strong>of</strong> 1970rpm was held.<br />

6.4.4.3 Comments & Observations<br />

There was no way <strong>of</strong> telling whether the flails were hitting the bottom although rocks and<br />

a tin can were thrown up.<br />

DERA/LWS/LSAA/TRD000603/1.2

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