2400 2WD IO Chassis Dyno

Description

2,400* 2WD inertia-only unit includes: heavy-duty tube-steel frame and 24″-diameter roll assembly – with machined-in “traction grooves,” CNC turned and balanced roll, PTOs, air brakes, pit-plate plan, floor anchors, vehicle tie downs, DYNOmite-Lite data-acquisition computer, inductive RPM pickup, DYNO-MAX “Lite” software, 3-channel data harness, banner, accessories package, and manual (less PC). (Upgradeable to single or dual eddy-current absorbers, and “Pro” 28-channel – at any time.)

ROLLER FRAME

Configuration

Large-diameter ~24″ [~61 cm] (nominal) roll

Mechanical frame construction

Fully-welded tube-steel frame, anchoring feet, greaseable bearings, and pit plate

Track width (max / min)

88″ [224 cm] maximum, 21″ [53 cm] minimum (with deck plate in place)

Installation

In ground (pit plans included) )with integral anchoring feet (above-ground mounting optional)

Optional above-ground vehicle hoist

Optional four-post, adjustable track width, lift − with hydraulic power, control module, and safety air locks

Pneumatic requirements (for air brakes only)

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

Power requirements, frame only (AWD 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

2,100 pounds [953 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*

2,400 Hp [1,790 KW]

Industry’s claimed engine-power range*

3,000 Hp [2,237 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

~24″ [~61 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide”)

Tire deformation (due to roll’s diameter)

2″ [51 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)

10 to 1,000+ Hp (1000 / 2.0″deform*μ*2wd) [7 to 746+ KW] limit @ μ = 1.0

 

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

~24″ [~61 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide“)

Roll RPM vs. vehicle speed factor

14.1 RPM per MPH [8.7 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)

8 – 132 MPH (186sr / 2.0″^.5deform) [13 – 212 km/h] (subject to roll diameter’s tire-deformation limits)

 

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

Roller assembly

Single wide-roll ~24″ [~76 cm] multi-bearing frame

Width

104″ [264 cm]

Length (less pit plate)

32″ [81 cm]

Length (with pit plate)

46″ [117 cm]

Height (at roll/ramp deck)

24″ [61 cm]

Height (overall)

26½” [67 cm]

Weight

3,300 pounds [1,497 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

Above-ground vehicle hoist

Optional four-post, adjustable track width, lift − with hydraulic power, control module, and safety air locks

Self starting

Optional starter motor and drive kit

Ventilation

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

 

Spesification

DYNOMITE DATA-ACQUISITION COMPUTER

Hardware configuration

Expandable, hybrid (surface-mount and thru-hole) multi-layer board system

Voltage requirements (DAQ only)

Runs on 120-volt 60-Hz AC, 240-volt 50-Hz AC, or 12-volt DC (specify)

Approvals

CE and/or UL approved (per locale)

Board type and channel capacity

Pro, PC linked − 3 channel

Expansion capacity upgrades

Optional 28, 56, or 112+ channel capable subsystem

Data rate

User-selectable rates up to 200 (1,000 optional) recordings per second (per channel)

Transducer wiring interface

Quick-disconnect data harness − 3-channel

Calibration

Non-volatile setup memory

Atmospheric correction rate

Standard, SAE, DIN, JIS, ECE, J1995, Custom

Gear-ratio RPM and shifting compensation

Smart Ratio™ automatic ratio calculation with multiple, simultaneous, RPM inputs

Recording features

Smart Record™ automated recorder triggering

Data interface

User selectable, USB or RS-232 serial port, output to a PC  − via DYNO-MAX software option

Third-party data-output interface options

Free Windows driver for National Instrument’s Lab View™ available

Temperature sensor

0 to 255 Fahrenheit [-18 to 124 Celsius] thermistor (optional)

Standard and optional sensor inputs

RPM, speed, torque, frequency, flow, thermocouples, thermistors, 0-5 volts, Lambda, position, etc.

Standard and optional control outputs

Ignition shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc.

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