actual rollover accident involving a 1995 Cheve a four-steer maneuver that led t

Question

actual rollover accident involving a 1995 Cheve a four-steer maneuver that led to an excessive llkelihood of rollover. A echace (2000) examind an actual rol dnd Chacedent was caused by a four-steer ma The accident was caused by in a rollover. The acci steering inputs as the driver acida The accident was as the driver. The rollover B)·The ARB system engaged the front iver. The rollover prevention strategy adopted was , d e s braking(, with the brakes fully engaged by 06g. The br king avnering power ofthe with the llover in this case. yaw er braking (ARB). he front strategy the addition of the ARB control strategy would using the same steerine 0.55g. with of t he front tires, thus inducing understeer loner in ratgy specifically targeted tord an off-road vehicle was e ith a two-piece anti-roll bar that was hydraulica when lateral ce reduced thre understeer and reducing the yaw rate. The B control stratedust have prevented A different ustudy by Everetsrategy eressure was provided by an puts but ebe vehicle control strate ol strategy o).The system involved replacing the stock anti-roll bars on 00). The system ar d was bydraulically actuated. Hydralic n engine-driven pump, and the system induced torque in the bars Adifler Everett et al. (2000). The system invol was examined in ed replacing the stock anti-roll bars on a e anti-roll bar that was hydraulically actuated. Hydraulic provided by an engine-driven d bodynate body roll in response to rapid steering inputs. Control of bodty production SUV wi a caly inputs but could not elimine ystm roll when the roll. The system prov ided good control in response to moderate steering eliminate was fully loaded also was degraded. Nevertheless, the system gave further work in refining the control algorithm was projected in the the Ves and further wo 9 Problems Ford Ranger Super the front and rear) that provide a cornerin and has a front/rear weight distribution of 5S45 (%). Supercab has a 10-ft wheelbase and rides on P245/75R16tires (same on g stiffness of 200 lb/. The truck weighs 3650 h I. The What is the understeer gradient for this truck? (Answer: 1.825 b. What is the characteristic speed of the truck? (Answer: 685 mph.) c. If the owner puts bias-ply tires on the rear (cornering stiffness of 150 lb), what is the 68.5 mph.) new understeer gradient? What has happened to the handling of this truck? Calcu- late the appropriate characteristic/critical speed. (Answer: -09125°g, the truck exhibits oversteer, critical speed = 96.9 mph.) d. Suppose the owner decides to put a half ton (1000 Ib) of wood in the back of the that the truck has truck. Assuming that all of the weight is applied to the rear axle and

Explanation / Answer

Following are specification of wheel P245/75R16

Wheel Diameter : 30.5"

Width : 9.65"

Rim Wheel Dia : 16"

Circumference : 95.8"

So, now you can calculate speed

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