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 | |
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 |
Standard, SAE, DIN, JIS, ECE, J1995, Custom |
Gear-ratio RPM and shifting compensation |
Smart Ratio™ automatic ratio calculation with multiple, simultaneous, RPM inputs |
Wireless-Integration Options |
Available |
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 (two included) |
Standard and optional sensor inputs |
RPM, torque, frequency, flows, pressures, thermocouples, thermistors, 0-5 volts, Lambda, smoke opacity, position, etc. |
Standard and optional control outputs |
Engine shut-off, relay control, load-control stepper output, 0-5 volt D/A, etc. |
Torque Transducer | |
Configuration |
Environmentally sealed S-beam load cell |
Maximum displayed torque |
Unlimited ft-lbs [N-m] − real-time and playback |
Load-cell range |
0 to 4,000 pounds [0 to 1,816 Kg] (other ranges available) |
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) |
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) |
Bidirectional capable |
Yes |
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 | |
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 | |
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 |