Overview
Low-cost 800* inertia-only unit includes: heavy-duty formed steel and diamond-tread frame with low-profile 16″-diameter x 25″ wide medium-inertia roll assembly – with machined-in “traction grooves,” adjustable tire stop, tie downs, quick-remove ramp, DYNOmite-Lite data-acquisition computer, 3-channel data harness, DYNO-MAX “Lite” software, banner, accessories package, and manual (less PC).
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) |
|
Board type and channel capacity |
Lite, 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 “Lite” software (included) |
|
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 and torque (standard) − frequency, flows, pressures, thermocouples, thermistors, 0-5 volts, Lambda, smoke opacity, position, etc. (optional) |
|
Standard and optional control outputs |
Ignition shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc. (optional) |
| Roller Frame | |
|
Configuration |
Medium-inertia, ~16″ [~40 cm] diameter (nominal) roll |
|
Mechanical frame construction |
Fully-welded monocoque steel frame, leveling pads, removable diamond-plate access panels, access anchoring points, greaseable bearings (pit-plate optional) |
|
Tire stop/support |
Quick-clamp adjustable-wheelbase ( ) front-tire stand with integral ratchet strapping − longer-wheelbase options available |
|
Track width (max / min) |
25″ [64 cm] |
|
Installation |
Above ground with integral leveling pads and wheels, or in ground with (optional) deck plate and integral anchoring points |
|
Ramps |
Heavy-duty, lightweight-aluminum, ramp (included) |
|
Pneumatic requirements (for air brakes only) |
90 PSI [600 kPa] @ 3 CFM [5 meter^3/hr] |
|
Power requirements, frame only (option) |
115-volts AC @ 60-Hertz [or 230-volts @ 50-Hertz] (specify voltage) for optional electric wheelbase-adjuster actuator |
| Axle Weight Capacities | |
|
Maximum dynamic load |
1,000 pounds [453 kg] (per axle) |
|
Maximum static load |
1,000 pounds [453 kg] (per axle) |
| Rolls | |
|
Effective inertia range |
Medium inertia (to allow absorber simulations) |
|
Minimum simulated vehicle mass |
350 pounds [159 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)* | |
|
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 |
~16″ [~40 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide”) |
|
Tire deformation (due to roll’s diameter) |
1¼” [32 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) |
6 to 385+ Hp (500 / 1.3″deform*μ*2wd) [4 to 287+ 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 optical RPM pickup |
| 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 |
~16″ [~40 cm] (see tire manufacturer’s “dyno tire vs. roll-diameter safety guide“) |
|
Roll RPM vs. vehicle speed factor |
21.0 RPM per MPH [13.0 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) |
6 – 163 MPH (186sr / 1.3″^.5deform) [10 – 262 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 |
MC-roll ~16″ [~40 cm] multi-bearing frame − eddy absorber |
|
Width |
35″ [89 cm] |
|
Length (less ramps) |
95″ [241 cm] |
|
Length (with ramps) |
202″ [513 cm] |
|
Height (at roll/ramp deck) |
16″ [40 cm] |
|
Height (overall) |
32″ [81 cm] |
|
Weight |
1,300 pounds [590 kg] (approximate uncrated − less ramp) |
| 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. |
|
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 | |
|
Eddy-current absorber and load control |
Optional bolt-in overdriven eddy-current absorption load-control module with power-supply – for steady-state testing |
|
Extended tire stop/support |
Optional bolt-on extra-long wheelbase kit ( range) |
|
Self starting |
Optional starter motor and drive kit |
|
Trailer |
Optional integral (bolt on) trailer assembly with alloy wheels and DOT approved lighting, etc. (black powder coat) |
|
Ventilation |
Optional high-velocity blowers 1,000 or 1,600 CFM (120-volts @ 60-Hertz 1φ) |
