MD-AWD-500-AC/EC-100/250

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MD-AWD-500-AC/EC-100/250 Overview

MD-AWD-500. Mechanically linked AWD Performance Dyno.

The key to designing an AWD dynamometer properly is to understand the methods currently being used by manufacturers in the field of AWD drivetrain technology. A dynamometer that can accommodate various types of AWD vehicle transmissions and wheelbases without excessive complication and, more importantly, without risking damage to a client’s AWD system is paramount. Full time AWD vehicles are designed to provide maximum performance regardless of road conditions. In cases where traction is less than ideal, a vehicle may be designed to improve stability and traction at the expense of power. This means adding torque to a spinning wheel or retarding of timing. In order to properly test an AWD vehicle for peak performance, an AWD chassis dynamometer must be able to simulate ideal road-load conditions to the vehicle. This approach allows the vehicle to be evaluated under “optimum” operational conditions; whereby torque is distributed to the vehicle’s tires in the same manner that would normally occur when a vehicle has equal traction at all four drive wheels, and is therefore operating at peak efficiency. To achieve this, Mustang’s AWD-500 Series incorporates an internal drive system that synchronizes the front and back rollers to simulate a flat, dry road condition. Synchronization, or linkage, insures that the front and rear rollers are always spinning at precisely the same road speed. This process eliminates the possibility of activating a vehicle’s traction control system and also insures that a vehicle’s torque management system is operating under the assumption that the vehicle is not skidding, turning or slipping. Mustang’s AWD-500 can be operated in AWD Mode while testing two-wheel drive vehicles. This process allows the non-driven axle to be spun by the dynamometer rollers at the same speed as the driven axle, eliminating the speed differential that occurs on two-wheel drive dynamometers – problem solved.

MD-AWD-500-AC/EC-100/250 Specifications

Max Horsepower: 3,000 hp peak measurement capacity AWD mode

Max Absorption:

900-hp peak absorption (SE model)
1,800-hp peak absorption (DE model)

Loading Device: Air-cooled eddy current power absorber (model MDK-250)

Torque Management Device: Strain Gauge Type Dynamic Load Cell. Provides closed loop control signal for dynamic vehicle loading.

Inertia:

2,152 lbs. (AWD MODE)
1,190 lbs. (2WD MODE)

Max Speed:

190 mph (2WD)
150 mph (AWD)

Controls: Closed Loop Digital Controller with WindowsXP based PowerDyne Software. Includes Patented Virtual Road Simulation Technology (RST)

Rolls/Wheelbase:

Precision machined & dynamically balanced
Fknurled rolls Belted for bi-directional capability
12.625” (321 mm) diameter balanced rolls
31” (787 mm) face length
18” (457 mm) inner track width
80” (2,032 mm) outer track width (98” (2,489 mm) optional)
88-118” (2,235-2,997 mm) standard wheelbase (longer wheelbase available)

Transmission: Heavy-duty, industrial-fiber belt drive with mechanical disconnect

Roll Decelerator: Allows vehicle deceleration without use of vehicle brakes. Eddy Current PAU used to decelerate rollers.

Air Requirements: 80 PSI, dry, regulated, oil free

Power Requirements:

115 VAC, single phase, 60 Hz, 15 Amps (computer)
230 VAC, single phase, 60 Hz, 40 Amps (dynamometer

Axle Weight: 6,000 lbs. maximum 1 axle

Shipping Weight: 9,000 lbs. (dynamometer weight only)

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