Overview
1600* water-brake PTO dyno for testing typical tractors to 1,600+ Hp includes: enclosed monocoque steel frame, overdriven dual (tandem) 19″ water-brake absorbers with electronic controller, temperature-compensated full-bridge 4,000-pound S-beam load cell, DYNOmite-Pro data-acquisition computer, DYNO-MAX software, auto-load control, magnetic RPM pick-up, 3-channel data harness – with control output, quick-plug (weatherized) receptacles, heavy-duty absorber to PTO shaft, calibration arm, and manual (less PC).
Specs
| DYNOmite Data-Acquisition Computer | |
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Hardware configuration |
Expandable, hybrid (surface-mount and thru-hole) multi-layer board system |
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Voltage requirements (DAQ only) |
Runs on 120-volt 60-Hz AC, 240-volt 50-Hz AC, or 12-volt DC (specify) |
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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 |
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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Wireless-Integration Options |
Available |
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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 (two included) |
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Standard and optional sensor inputs |
RPM, torque, frequency, flows, pressures, thermocouples, thermistors, 0-5 volts, Lambda, smoke opacity, position, etc. |
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Standard and optional control outputs |
Engine shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc. |
| Torque Transducer | |
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Configuration |
Environmentally sealed S-beam load cell |
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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 4,000 pounds [0 to 1,816 Kg] (other ranges available) |
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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 0.1% of full-scale accuracy − typical |
| Calibration features | Semi-automatic calibration of zero offset |
| Drift stabilization | Ratiometric supply-voltage and temperature compensation |
| Docking Module Assembly | |
|
Configuration |
Enclosed fully-welded monocoque steel frame with adjustable-height legs |
| Mechanical frame construction | Heavy-duty monocoque formed-steel and tube-steel adjustable-height legs |
| Absorber to engine coupling | Hardened-splined input shaft, 3.2:1 ratio overdrive − via telescoping heavy-duty drive shaft |
| Driveshaft (to PTO) | Type-3 (standard) spline, telescoping drive shaft (custom dampening-specifications optional) with spline adapters |
| Driveshaft guard | Integral − 360 degree |
| Driveshaft splines | Type-3 is standard, other spline and shaft adapter combinations available |
| Enclosures | Hinged louvered cover, with stainless-steel gas shocks, for base compartment access − driveshaft storage compartment (locking) |
| Installation | Four adjustable-height legs with anchorable floor-mount flanges |
| Integral Trailer Assembly (option) | |
| Mechanical trailer construction | Integral (DOT approved) package with torsion-flex axle, adjustable-height tongue (removable), and leveling stabilizers |
| Brakes | Electric brakes with emergency breakaway (battery backup) and safety chains (dual) |
| Lighting | DOT-approved flush-mount LED lights, with illuminated license-plate bracket |
| Wheels and tires | Alloy wheels with street legal LT215/75R x 15″ tires |
| Recommended Towing Speed | Rated for up to 55 MPH [80 KPH] towing speeds |
| Tongue | Heavy-duty tube-steel adjustable-height tongue (removable) with jack and rolling third wheel |
| VIN | VIN # with Certificate of Origin |
| Power Capacity (RPM duty cycle dependent)* | |
| Notice | *Actual load capacity depends on test RPM (typical loading plots available) − water brakes require a minimum water flow of 1 gpm @ 30 to 60 psi for every 20 continuous Hp. |
| Maximum displayed power | Unlimited Hp [KW] − real-time |
| Maximum displayed torque | Unlimited Ft-Lbs [N-m] − real-time |
| Maximum continuous power | 1,600+ Hp [1,194+ KW] @ 1,000 RPM − 400+ Hp [298+ KW] @ 540 RPM (see absorber’s load chart − other ranges available) |
| Maximum continuous torque | 8,400+ Ft-Lbs [11,388+ Nm] @ 1,000 RPM (see absorber’s load chart – other ranges available) |
| Maximum RPM | 2,000+ RPM for 3.2:1 overdrive (other ranges available, see absorber load charts − may be further limited by selected driveshaft) |
| Engine (and Absorber) Tachometers | |
| Range | 0 – 32,000+ RPM real-time display (user reconfigurable) |
| Timing reference | Quartz-crystal calibrated |
| Resolution | 0.1 RPM (typical) |
| Primary RPM signal | Absorber-mounted hall-effect sensor |
| Signal compatibility | User adjustable trigger voltages − pulse type selectable from ½ to 240 PPR |
| Alternate tachometer options | Optional pressure-pulse and optical RPM pickups |
| Absorber and Load Control | |
| Absorber to Tractor’s PTO coupling | Via telescoping heavy-duty drive shaft − using appropriate spline adapter (custom dampening-specifications optional) |
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Absorber speed / RPM regulation |
Electronic auto-load “Ultra-Flow” control (closed-loop PID) with automated test cycles via DYNO-MAX |
| Absorption method | Dual (tandem) 19″ toroidal-flow water-brake absorbers with electronic “Ultra-Flow” load-valve control |
| Absorber sensitivity | User-adjustable outlet orifices (included) |
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Bidirectional capable |
Yes |
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Power requirements (for absorber) |
10-amps @ 12-volts DC |
| Throttle (torque / power) regulation | Electronic-throttle control of torque, power, or % − including automated test cycles via DYNO-MAX (also supports manual control) |
| Approximate Dimensions and Weight | (Do not construct any test-cell foundations until system is on site) |
| Docking module assembly | Enclosed monocoque steel frame with integral (DOT approved) trailering package |
| Width | 56½” [144 cm] |
| Length | 58½” [149 cm] |
| Height (at input shaft) − typical | ~32″ [~81 cm] (on tires) |
| Height (overall) − typical | ~43″ [~109 cm] ] (on tires) |
| Weight | 2,000 pounds [907 Kg] |
| Dynamometer Control Software | |
| Features | Too many to list here − review DYNO-MAX specification pages and demo CD download |
| Notable trademarks | Remote DYNO-MAX™ − network/internet viewing/control software (included free in DYNO-MAX “Pro“) |
| 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 | |
| Airflow Turbines | Measure real-time intake CFM and BSAC |
| Air/fuel ratio monitoring | Optional 9-19 range AFR exhaust-gas module |
| Dynamometer control software | DYNO-MAX software packages (see separate specifications page and demo CD) |
| Exhaust Gas Temperature thermocouples | Fast-acting EGT probes allow reading and displaying up to eight sensors per DYNOmite-Pro board set. |
| Electronic throttle control | Unit allows PC to throttle engine during DYNO-MAX automated-test cycles |
| Exhaust-emissions analyzer | Optional five-gas analyzer (O2, CO, CO2, HC’s, and NOX) via digital DYNO-MAX RS-232 link. |
| Fuel-Flow Turbines | Measure real-time fuel consumption and BSFC |
| Integral Trailer Assembly | DOT approved package with torsion-flex axle, adjustable-height tongue (removable), and leveling stabilizers |
| Pressure transducers | Universal 0-5 volts pressure sensors |
| Weather station module | Weather station provides automatic entry of air temperature, barometric pressure, and relative humidity |
| Other Options | |
| Patch Panel Subsystem | Optional rolling-stand sensor interface cabinet with quick-disconnect fittings |
