Abstract

Laboratory and field tests were conducted on three low impact tires (Interco Trxus, Mickey Thompson BAHA Belted HP, Kevlar Dick Cepek F-C) and a standard, currently used military tire (Goodyear Wrangler MT). Laboratory tests include deflection, rutting, and plunger tests at pressures ranging from 10 to 30 psi and loads ranging from 600 to 2000 lbs⁠. Footprint area was also measured. Field tests consisted of: (1) driving single tires over a plunger at slow speeds and measuring plunger depth, (2) driving the vehicle (modified M1008) in a straight line at various tire pressures and measuring rut depth and disturbed width, (3) driving vehicle (M1097A1) spirals in sand and measuring rut depth and disturbed width, and (4) driving vehicle (modified M1008) spirals over vegetation and measuring disturbed width and vegetative impacts. Although differences between the tire performances exist, this study did not reveal any tires exhibiting consistently lower impact potential than the Goodyear Wrangler MT tire.

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