Evaluation of Aardvark Mk IV Flail - gichd

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4 Improvements Page 4 of 77 This section outlines the specifications given by Aardvark Clear Mine on the improvements to the Aardvark Mk IV in comparison to the Mk III.³ Mark IV Mark III Cab Assembly 10mm fully armoured 10mm fully armoured 56mm armoured glass with 56mm armoured glass with polycarbonate liner protection polycarbonate liner protection Sound proofed inner walls Sound proofed inner walls Air conditioner with Air conditioner with temperature controls temperature controls Heater unit Heater unit Filtered fresh air intake with Filtered fresh air intake with booster fan. booster fan. Console with all controlling Console with all controlling functions for prime mover and functions for prime mover and flail operation. flail operation. Lower underside of cab angled Lower underside of cab angled profile to provide maximum profile to provide maximum blast force deflection blast force deflection Power Train New Holland TM165 ‘T’ (turbocharged) Ford 8210 Series Brake Horse-Power 165 115 Displacement: 7472cm³ 6572cm³ Transmission: 16 forward and 16 reverse 32 forward and 16 reverse gears (Plus creep options in all gears) gears Power Take Off: Three selectable speeds for flail drive and attachments Power take off for flail drive Fuel Tank: Equipped with explosafe Equipped with explosafe Brakes 4 wheel braking with inhibitor switch to front wheel brakes when flailing. Parking brake Power Train Compartment Full length 10mm armoured belly plate, 6mm plate hood 2 wheel braking on rear (tracked) axle Full length 10mm armoured belly plate, 6mm plate hood Flail Unit 10mm box section A-frame New chain configuration 8mm box section A-frame Rotor Bearings: Steel (Mk III Bearings were prone to shattering) Cast Iron Rotor Speed: 300 rpm 220 rpm Table 4-1; Improvements DERA/LWS/LSAA/TRD000603/1.2
4.1 Additional Alterations: 4.1.1 The V-belts supplying drive to the rotor have been upgraded. 4.1.2 The width of each track has been narrowed from 660mm to 508mm to improve the skid steer capability. 4.1.3 An air compressor has been fitted for pneumatic tool use and to assist in cleaning the machine. 4.1.4 The oil coolers are removable for cleaning (with the pipework still attached) 4.1.5 The size of the radiator and air intake have been increased to compensate for the larger engine and to allow Aardvark to operate in higher temperatures. DERA/LWS/LSAA/TRD000603/1.2 Page 5 of 77
Page 1 and 2: Evaluation of Aardvark Mk IV Flail
Page 3 and 4: Authorisation Prepared by Mr C A Le
Page 5 and 6: Abstract Aardvark Clearmine Ltd hav
Page 7 and 8: List of contents Authorisation iii
Page 9 and 10: List of Tables Table 4-1; Improveme
Page 11 and 12: Figure 6-45; Aardvark just passed R
Page 13 and 14: 1 Introduction 1.1 Contractual Matt
Page 15: Rear Front Figure 3-1; Aardvark Mar
Page 19 and 20: 6 Test Procedures and Results 6.1 G
Page 21 and 22: Figure 6-2; Measuring the height of
Page 23 and 24: Figure 6-3; Using load cells to wei
Page 25 and 26: Figure 6-4; Measuring the Approach
Page 27 and 28: Figure 6-6; Turning Circle DERA/LWS
Page 29 and 30: Figure 6-7; Aardvark climbing Birch
Page 31 and 32: Figure 6-9; Speed = 67m/hr, Depth =
Page 33 and 34: Figure 6-13; After flailing at 300m
Page 35 and 36: Figure 6-17; Measuring Level used D
Page 37 and 38: Figure 6-18; Aardvark entering the
Page 39 and 40: Figure 6-20; Foliage and terrain en
Page 41 and 42: This page is intentionally blank DE
Page 43 and 44: Figure 6-24; Test run before cleara
Page 47 and 48: Destroyed Mine Case Figure 6-28; La
Page 49 and 50: GIAT buried in spoil Figure 6-32; P
Page 51 and 52: Destroyed Mine Case Figure 6-34; La
Page 55 and 56: Figure 6-39; Layout of 3 Figure 6-4
Page 59 and 60: Figure 6-44; Layout of Run 4 Figure
Page 61 and 62: Run stopped before these mines Figu
Page 65 and 66: Figure 6-52; Layout of Run 6 Figure
Page 67 and 68:
This page is intentionally blank DE
Page 69 and 70:
Figure 6-57; Layout of Run 7 Figure
Page 71 and 72:
Figure 6-60; TMRP-6 and TMA-2 Figur
Page 73 and 74:
een destroyed or detonated. . The G
Page 75 and 76:
Figure 6-66; TMA-3 outside flail wi
Page 77 and 78:
6.5.9 Inert Minefield Encounter (A7
Page 79 and 80:
Figure 6-70; Run 9 after flailing F
Page 81 and 82:
6.5.10 Running Costs and Ease of Ma
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8 Recommendations 8.1 The driver’
Page 85 and 86:
A MK III AND MK IV RELATED PERFORMA
Page 87 and 88:
Interval Servicing Task DERA/LWS/LS
Page 89:
Distribution list Ms A Doherty DFID
Page 92:
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