Description
Low-cost 3,000* 2WD inertia-only unit includes: heavy-duty tube-steel frame and 30″-diameter “dually” wide-roll assembly – with machined-in “traction grooves,” CNC turned and balanced roll, PTOs, air brakes, diamond-tread deck plate, 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 absorber, water-brake absorber, “Pro” 28-channel, or AWD configurations – at any time.)
| ROLLER FRAME | |
|
Configuration |
Large-diameter ~30″ [~76 cm] (nominal) roll |
|
Mechanical frame construction |
Fully-welded tube-steel frame, anchoring feet, greaseable bearings, and pit plate |
|
Track width (max / min) |
96″ [244 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 |
3,200 pounds [1,451 kg] typical (excluding absorption simulation) |
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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* |
3,000 Hp [2,237 KW] |
|
Industry’s claimed engine-power range* |
3,750 Hp [2,796 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) |
10 to 1,350+ Hp (1000 / 1.5″deform*μ*2wd) [7 to 1,007+ 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 |
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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) |
|
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) |
| APPROXIMATE DIMENSIONS AND WEIGHT | (DO NOT CAST ANY PITS, ETC. UNTIL SYSTEM IS ON SITE) |
|
Roller assembly |
Single wide-roll ~30″ [~76 cm] multi-bearing frame − with overdrive to eddy absorber |
|
Width |
112″ [284 cm] |
|
Length (less pit plate) |
38″ [97 cm] |
|
Length (with pit plate) |
46″ [117 cm] |
|
Height (at roll/ramp deck) |
30″ [76 cm] |
|
Height (overall) |
32½” [83 cm] |
|
Weight |
4,800 pounds [2,177 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 | |
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Computer housing |
Optional enclosed (EMI/RFI resistant) rolling PC cabinet |
|
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 | |
|
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) |
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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 | |
|
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 |
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