6000-Pro 4WD EC Chassis Dyno

Description

6,000* “Pro” 4WD eddy-current dynamometer system includes: heavy-duty tube-steel frame and 30″-diameter “dually” wide-roll assemblies (front and rear axle) – with machined-in “traction grooves,” CNC turned and balanced rolls, air brakes, electrically adjustable wheelbase frame with sliding diamond-tread deck plates, floor anchors, vehicle tie downs, dual eddy-current absorbers and controllers with overdrives, electronic AWD-axle synchronization, dual S-beam load cells, DYNOmite-Pro data-acquisition computers, inductive RPM pickup, DYNO-MAX “Pro” software, auto-load control, weather station, AFR module (with pump), 42″ cooling fan, 28-channel data harness, temperature thermistor, Windows 7®-equipped Dell™ laptop, computer stand, color printer, banner, accessories package, and manual.

TORQUE TRANSDUCER

Configuration

Environmentally sealed S-beam load cell

Maximum displayed torque

Unlimited ft-lbs [N-m] − real-time and playback

Load-cell range

Dual 0 to 1,000 pounds [0 to 454 Kg] (other ranges available)

Load-cell signal-output gain

3 millivolts/volt

Load-cell resolution

Better than 0.02% of full-scale accuracy − typical

Strain gauges

Linearized full-bridge strain gauges in balanced Wheatstone bridge

Advanced linearization (software)

User-configurable edit table (interpolated deviation map)

System torque resolution

Better than 0.2% of full-scale accuracy − typical

Calibration features

Semi-automatic calibration of zero offset

Drift stabilization

Ratiometric supply-voltage and temperature compensation

 

ROLLER FRAME

Configuration

Dual large-diameter ~30″ [~76 cm] (nominal) roll assemblies, with push-button adjustable wheelbase system

Mechanical frame construction

Dual, fully-welded tube-steel frames, floor tracks, anchoring feet, greaseable bearings, and diamond-plate telescoping pit-plate system

Track width (max / min)

96″ [244 cm] maximum, 21″ [53 cm] minimum (with deck plates in place)

Absorber coupling

Overdriven @ 2.37:1 ratio

Installation

In ground (pit plans included) with integral anchoring feet

Pneumatic requirements (for air brakes only)

90 PSI [600 kPa] @ 3 CFM [5 meter^3/hr]

Power requirements, frame only

115-volts AC @ 60-Hertz [or 230-volts @ 50-Hertz] (specify voltage) for wheelbase adjuster

 

AXLE WEIGHT CAPACITIES

Maximum dynamic load

10,000 pounds [4,526 kg] (per axle)

Maximum static load

10,000 pounds [4,536 kg] (per axle)

 

ROLLS

Effective inertia range

Medium inertia (to allow absorber simulations)

Minimum simulated vehicle mass

6,400 pounds [1,902 kg] typical (excluding absorption simulation)

Minimum balance tolerance

G2.5 via internal, multi-plane, dynamic spin balancing

Steel-roll construction

Monocoque with 360-degree welded end plates and 100% machine-finished thru-shafting

Roll-to-tire contact area’s surface finish

Machined-in “traction grooves” for maximum grip  (μ > 1.0) and tire life under high-power testing

 

POWER CAPACITY (TRACTION LIMITED)*

Industry’s claimed roll-power range*

6,000 Hp [4,474 KW]

Industry’s claimed engine-power range*

7,500 Hp [5,593 KW]

Notice

*Power capacity is unlimited, but subject to roll diameter-induced tire deformation (safety) and traction (efficiency) limits.

Rolling-road’s diameter at tire contact-patch

~30″ [~76 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide”)

Tire deformation (due to roll’s diameter)

1½” [38 mm]  tire indentation (approximate) required for 5″ contact-patch length on typical automotive tire

Maximum displayed power

Unlimited Hp [Kw] − real-time

Maximum inertial power (traction limited)

Unlimited Hp [Kw] (but subject to roll diameter’s tire deformation and traction limits)

Maximum tractive force (traction limited)

Unlimited lbs-force [kN] (but subject to roll diameter’s tire deformation and traction limits)

Typical inertial power range (traction limited)

20 to 2,700+ Hp (1000 / 1.5″deform*μ*2wd) [14 to 2,014+ KW] limit @ μ = 1.0

Peak steady-state power

1,900+ Hp [1,416+ KW] initial − cold absorber rating (see absorber’s load chart)

Typical steady-state power range / time

20 to 800+ Hp [14 to 600+ KW] extended − warm absorber rating (see absorber’s load chart)

 

ENGINE (AND ABSORBER) TACHOMETERS

Range

0 – 32,000+ RPM real-time display (user reconfigurable)

Timing reference

Quartz-crystal calibrated

Resolution

1.0 RPM (typical)

Primary RPM signal

Supports direct connection to most standard vehicle tachometer sources

Signal compatibility

User adjustable trigger voltages − pulse type selectable from ½ to 12 PPR

Alternate signal sources

“Clamp-on” inductive (spark plug, injector, or coil) wire pickup (included)

Analog tachometer options

Optional “cigarette lighter” and optical RPM pickups

Digital tachometer options

Optional OBD-II tachometer interface

 

DYNO SPEEDOMETER

Range

0.0 – 255.0 MPH [0.0 – 410.0 km/h] − real-time digital (user reconfigurable)

Timing reference

Quartz-crystal calibrated

Resolution

Better than 0.1 roll RPM (typical)

Standard signal source

Hall-effect pulse type for RPM/MPH pickup (standard)

Signal compatibility

User adjustable trigger voltages − pulse type selectable from 1 to 360 PPR standard

 

SPEED RANGE (TIRE DEFORMATION LIMITED)

Rolling-road’s tire contact-patch diameter

~30″ [~76 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide“)

Roll RPM vs. vehicle speed factor

11.2 RPM per MPH [7.0 RPM per km/h]

Digital speed range

0 – 255 MPH [0 – 410 km/h] real-time display (user reconfigurable)

Safe speed range (tire deformation limited)

10 – 137 MPH (186sr / 1.5″^.5deform) [16 – 220 km/h] (subject to roll diameter’s tire-deformation limits)

 

LOAD CONTROL (ABSORPTION UNITS ONLY)

Absorber coupling

Overdriven @ 2.37:1 ratio

Absorber speed / RPM regulation

Electronic auto-load control (closed-loop PID) − with full road-load simulation

Absorption method

Electric air-cooled eddy-current absorbers with pulse-width-modulated DC controllers

Automated braking

Yes − Smart Braking™ (via DYNO-MAX)

Bidirectional capable

Yes

Power requirements (for absorber)

30-amps @ 120-volts AC @ 60-Hertz [or 20-amps @ 240-volts @ 50-Hertz optional] (specify)

 

APPROXIMATE DIMENSIONS AND WEIGHT (DO NOT CAST ANY PITS, ETC. UNTIL SYSTEM IS ON SITE)

Roller assembly

Front and rear axle assemblies each have single wide-roll ~30″ [~76 cm] multi-bearing frames − with overdrive to eddy absorbers

Width

113″ [287 cm]

Length (less pit plate)

180″ [457 cm]

Length (with pit plate)

240″ [610 cm]

Height (at roll/ramp deck)

30″ [76 cm]

Height (overall)

33″ [84 cm]

Weight

12,600 pounds [4,254 kg] (approximate uncrated)

 

DYNAMOMETER CONTROL SOFTWARE

Features

Too many to list here − review DYNO-MAX specification pages and demo CD download

Notable trademarks

DYNO-MAX, Smart Ratio, Smart Record, Smart Load, Smart Braking, Smart Print, etc.

Software versions

DYNOmite EEPROM version # 9.977 plus DYNO-MAX version #10.23 (included)

 

CONTROL CONSOLE AND PC OPTIONS

Computer housing

Optional enclosed (EMI/RFI resistant) rolling PC cabinet

Monitor

Optional “Pro” console with genuine Intel-equipped Dell PC and 17″ LCD display

Wireless remote operation

Pocket DYNO-MAX™ − wireless Windows Mobile™ PDA control software (included in DYNO-MAX “Pro“)

 

DATA COLLECTION OPTIONS

Air/fuel ratio monitoring

Optional 9-19 range AFR exhaust-gas module with portable vacuum pump and tailpipe “sniffer”

Dynamometer control software

Optional DYNO-MAX software packages (see separate specifications page and demo CD)

Electronic throttle control

Optional unit allows PC to throttle road and track driving simulations (dead man or console mount designs)

Exhaust-emissions analyzer

Optional five-gas analyzer (O2, CO, CO2, HC’s, and NOX) via digital DYNO-MAX RS-232 link.

OBD-II link

Optional OBD-II (wired and wireless) interfaces for RPM, MPH, TPI, etc.

Temperature monitoring

Optional oil-temperature “dip stick” thermocouples

Weather station module

Optional weather station provides automatic entry of air temperature, barometric pressure, and relative humidity.

 

OTHER OPTIONS

Self starting

Optional starter motor and drive kit

Ventilation

Optional 42″ 13,300 CFM (120-volts @ 60-Hertz 1φ) test-bay cooling fan

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