Overview
1,000+ Hp** unit includes: Pair of heavy-duty rolling modules with eddy-current controller and high-speed (medium inertia) air-cooled absorbers, automatic camber compensation, thermostatically-controlled fans, dual torque transducers, swivel casters, alloy quick-change axle-flange adapters, DYNOmite-Lite data-acquisition computer, axle and engine (ignition) RPM pick-ups, Auto-Load Control, 3-channel data harness, DYNO-MAX software, atmospheric correction, banner, accessories package, and manual (less PC). (Upgradeable to AWD configuration – at any time.)
Specs
| 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) |
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Board type and channel capacity |
Pro, PC linked − 3 channel |
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Expansion capacity upgrades |
Optional 28, 56, or 112+ channel capable subsystem |
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Data rate |
User-selectable rates up to 200 (1,000 optional) recordings per second (per channel) |
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Transducer wiring interface |
Quick-disconnect data harness − 3-channel |
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Calibration |
Non-volatile setup memory |
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Atmospheric correction rate |
Standard, SAE, DIN, JIS, ECE, J1995, Custom |
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Gear-ratio RPM and shifting compensation |
Smart Ratio™ automatic ratio calculation with multiple, simultaneous, RPM inputs |
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Recording features |
Smart Record™ automated recorder triggering |
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Data interface |
User selectable, USB or RS-232 serial port, output to a PC − via DYNO-MAX software option |
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Third-party data-output interface options |
Free Windows driver for National Instrument’s Lab View™ available |
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Temperature sensor |
0 to 255 Fahrenheit [-18 to 124 Celsius] thermistor (optional) |
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Standard and optional sensor inputs |
RPM, speed, torque, frequency, flow, thermocouples, thermistors, 0-5 volts, Lambda, position, etc. |
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Standard and optional control outputs |
Ignition shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc. |
| Torque Transducer | |
|
Configuration |
Environmentally sealed dual S-beam load cells |
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Maximum displayed torque |
Unlimited ft-lbs [N-m] − real-time and playback |
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Load-cell range |
0 to 1,500 pounds (each) [0 to 680 Kg] (other ranges available) |
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Load-cell signal-output gain |
3 millivolts/volt |
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Load-cell resolution |
Better than 0.04% of full-scale accuracy − typical |
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Strain gauges |
Linearized full-bridge strain gauges in balanced Wheatstone bridge |
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Advanced linearization (software) |
User-configurable edit table (interpolated deviation map) |
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System torque resolution |
Better than 0.2% of full-scale accuracy − typical |
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Calibration features |
Semi-automatic calibration of zero offset |
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Drift stabilization |
Ratiometric supply-voltage and temperature compensation |
| Axle-Hub Frame | |
|
Configuration |
Heavy-duty rolling modules |
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Mechanical frame construction |
Fully-welded monocoque steel frame, swivel caster, greaseable bearings (camber compensated) |
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Track width (max / min) |
No maximum or minimum limits |
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Absorber coupling |
Inline 1:1 ratio |
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Installation |
Portable rolling modules, plug-in wiring, automatic camber compensation |
|
Hub Adapters |
Includes pair of triple-pattern vehicle-axle to dynamometer-flange alloy adapters (additional-pattern adapters optional) |
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Cooling |
Air-vented rotors, and thermostatically-controlled electric fans |
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Power requirements |
230-volts AC @ 60-Hertz [or 50-Hertz] (20-amps) |
| Axle Weight Capacities | |
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Maximum dynamic load |
3,000 pounds [1,361 kg] (per axle pair) |
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Maximum static load |
3,000 pounds [1,361 kg] (per axle pair) |
| Rotating Mass | |
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Effective inertia range |
Low inertia (to allow absorber simulations) |
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Minimum simulated vehicle mass |
200 pounds [91 kg] typical (excluding absorption simulation) |
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Minimum balance tolerance |
G2.5 via integral, multi-plane, dynamic spin balancing |
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Secondary flywheel inertia |
(Optional) |
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Optional ACtive-Sync Motoring |
Bolt-on belt-driven AC motoring option for simulating down-hill coasting and traction-control motoring |
| Power Capacity (temp dependent)* | |
|
Notice |
*Power capacity is speed and temperature dependent. |
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Rolling-road’s diameter at tire contact-patch |
None (direct-to-axle coupling) |
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Tire deformation limits |
None (direct-to-axle coupling) |
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Maximum displayed power |
Unlimited Hp [Kw] − real-time |
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Maximum inertial power (see note) |
Unlimited Hp [Kw] (Note: low-inertia offers minimal inertial resistance – except in highest gear) |
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Maximum tractive force (cold) |
Not Applicable (direct-to-axle coupling eliminates all tire deformation and slippage) |
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Typical inertial power range (cold) |
5 to 1,500+ Hp [4 to 1,119+ KW] (Note: low-inertia offers minimal inertial resistance – except in highest gear) |
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Typical inertial torque range (cold) |
1 to 4,500+ Ft-Lbs [1 to 6,101+ Nm] (Note: low-inertia offers minimal inertial resistance – except in highest gear) |
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Peak steady-state power |
1,000+ Hp [746+ KW] initial − cold absorber rating (see absorber’s load chart) |
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Typical steady-state power range / time |
5 to 650+ Hp [4 to 485+ KW] extended − warm absorber rating (see absorber’s load chart) |
| Engine (and Absorber) Tachometers | |
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Range |
0 – 32,000+ RPM real-time display (user reconfigurable) |
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Timing reference |
Quartz-crystal calibrated |
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Resolution |
1.0 RPM (typical) |
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Primary RPM signal |
Supports direct connection to most standard vehicle tachometer sources |
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Signal compatibility |
User adjustable trigger voltages − pulse type selectable from ½ to 12 PPR |
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Alternate signal sources |
“Clamp-on” inductive (spark plug, injector, or coil) wire pickup (included) |
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Analog tachometer options |
Optional “cigarette lighter” and optical RPM pickups |
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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) |
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Timing reference |
Quartz-crystal calibrated |
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Resolution |
Better than 0.1 roll RPM (typical) |
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Standard signal source |
Hall-effect pulse type for RPM/MPH pickup (standard) |
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Signal compatibility |
User adjustable trigger voltages − pulse type selectable from 1 to 360 PPR standard |
| Speed Range (tire deformation limited) | |
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Axle RPM vs. vehicle speed factor |
~14 RPM per MPH [7 RPM per km/h] (exact user-configurable value is dependent on vehicle’s tire diameter) |
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Digital speed range |
0 – 255 MPH [0 – 410 km/h] real-time display (user reconfigurable) |
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Rolling-road’s tire contact-patch diameter |
Not Applicable (direct-to-axle coupling eliminates all tire deformation and slippage) |
|
7 – 250 MPH [11 – 402 km/h] (direct-to-axle coupling eliminates all tire deformation and slippage) |
| Load Control (absorption units only) | |
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Absorber coupling |
Inline 1:1 ratio |
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Absorber speed / RPM regulation |
Electronic auto-load control (closed-loop PID) − with full road-load simulation |
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Absorption method |
Electric air-cooled eddy-current absorber with pulse-width-modulated DC controller |
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Automated braking |
Yes − Smart Braking™ (via DYNO-MAX) |
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Bidirectional capable |
Yes (at 15% of forward ratings) |
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Power requirements (for absorber) |
20-amps @ 240-volts AC @ 60-Hertz [or 50-Hertz] |
| Approximate Dimensions and Weight | (Do not install any circuits or fixtures until system is on site) |
|
Axle-hub assemblies |
Dual heavy-duty multi-bearing frames (powder coated) − dual eddy absorbers (one per side) |
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Width |
50″ [127 cm] |
|
Length (less adapter) |
37″ [94 cm] |
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Length (with typical adapter) |
40″ [414 cm] |
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Height (at wheel well) |
23″ [58 cm] |
|
Height (overall) |
28″ [71 cm] |
|
Weight |
1,080 pounds [490 kg] (approximate uncrated − each) |
| 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 | |
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Computer housing |
Optional enclosed (EMI/RFI resistant) rolling PC cabinet |
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Monitor |
Optional “Pro” console with genuine Intel-equipped Dell PC and 17″ LCD display |
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Wireless remote operation |
Pocket DYNO-MAX™ − wireless Windows Mobile™ PDA control software (included in DYNO-MAX “Pro“) |
| Data Collection Options | |
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Air/fuel ratio monitoring |
Optional 9-19 range AFR exhaust-gas module with portable vacuum pump and tailpipe “sniffer” |
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Dynamometer control software |
Optional DYNO-MAX software packages (see separate specifications page and demo CD) |
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Electronic throttle control |
Optional unit allows PC to throttle road and track driving simulations (dead man or console mount designs) |
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Exhaust-emissions analyzer |
Optional five-gas analyzer (O2, CO, CO2, HC’s, and NOX) via digital DYNO-MAX RS-232 link. |
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OBD-II link |
Optional OBD-II (wired and wireless) interfaces for RPM, MPH, TPI, etc. |
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Temperature monitoring |
Optional oil-temperature “dip stick” thermocouples |
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Weather station module |
Optional weather station provides automatic entry of air temperature, barometric pressure, and relative humidity. |
| Other Options | |
|
ACtiveSync Modules |
Optional AC motoring units match un-powered axle speed (on traction-controlled ABS-equipped vehicles) during 2WD dyno testing |
|
Ventilation |
Optional 42″ 13,300 CFM (120-volts @ 60-Hertz 1φ) test-bay cooling fan |
