Kart and Small Engine Dynamometer - Specifications 

DYNOmite Data Acquisition Computer:

Expandable, surface mount, board system runs on 120-volt 60-Hz AC, 240-volt 50-Hz AC, or 12-volt DC
“Pro” PC based 28, 56 or 112+ channel capable board sets, require DYNO-MAX software
“Lite” 3-channel (upgradeable to “Pro” above)
Optional portable “Pro” 28-channel capable handheld with 168-character LCD & keypad
Up to 1,000 recordings per second (per channel)
Quick disconnect data harness
Non-volatile set-up memory
Rechargeable back-up battery option
Captures over 1-hour duration test runs
Real time and data playback displays
Observed and SAE corrected reports
“Smart Record” automated recorder triggering
RS-232 or USB output to optional printer or PC with DYNO-MAX 2000 software option

Torque Transducer:

Environmentally sealed strain gauge
½% of full scale typical accuracy
Semi-automatic zero offset calibration
Temperature compensated
Patented design is moment arm length independent

Hp, Torque, and RPM Capacity:

Actual load capacity depends on selected water (AC or eddy current) absorber & test RPM (typical loading plots available)
Hp from 1 to over 30 (high RPM rotor)
Hp from 3 to over 60 (high torque rotor)
Hp options from ¼ to over 300
Torque options from ¼ to over 200 lb-ft
RPM from 1,000 to over 17,000 (or to 14,000 with high torque rotor) 

Engine Tachometer:

0 - 32,000+ RPM LCD display
Quartz crystal calibrated
RPM pulse type is selectable from ½ to 240 pulses per revolution
Magnetic absorber pick-up
Optional “clamp-on” inductive pick-up
Optional optical pick-up available

Load Control:

Manual knob water brake load valve (standard)
Optional Auto-Load Servo
Optional Electronic Throttle Controller

Water Brake Absorber:

Fast response 7" toroidal flow high RPM rotor - fits standard ¾" diameter 3/16" keyed shafts
Optional toroidal flow 7" with high torque rotor
Optional toroidal flow 9" - fits standard 3° and 4° PTO shafts
Low inertia - single rotor
Direct shaft mounting
CNC machined from aircraft aluminum
Dual heavy-duty sealed bearings
Stainless steel, heat treated arbor shaft
Adjustable load characteristics
External Zerk grease fittings
Optional “Auto-Lube” kit
Optional custom crankshaft adapters 

Optional Small Engine Test Stand:

Professional roll formed steel frame
Removable stand (or wall) mount console
Vibration isolation mounts
Battery compartment
Portable wheeled design
Universal throttle
Semi-universal engine mounting plate
Optional overhead “sky-hook” boom
Optional custom driveshafts with bearing blocks and vibration isolators

Optional Portable Thermal Printer:

Rechargeable NiCad battery powered
120-volt AC charger adapter included
Parallel port interface to DYNOmite-Pro
40 column standard ASCII font
Rugged, compact, and lightweight design 

Approximate Dimensions and Weight:

Kart dyno kit (including case) -
    11"W x 28"L x 17"H
    weight - 28 pounds
Optional stand & wall console (only) -
    32"W x 52"L x 36"H (with console mounted)
    weight - 150 pounds (less boom & battery)
4½" Kart (single axle - water brake) dual-roller
     14"W x 67"L x 10"H - 400 pounds

Data Collection Options:

5-gas analyzer with RS-232 interface
Accelerometers & knock sensors
Airflow turbines 3" and 4"
Air/fuel ratio (calculated)
Air temperature, humidity, and barometric pressure “Weather Station”
Brake specific air consumption (calculated)
Brake specific fuel consumption (calculated)
DYNO-MAX 2000 software
Engine temperature thermistors
Exhaust gas temperature thermocouple kits
Fuel flow turbine kits
Fuel/manifold pressure transducers
Jack shaft RPM/MPH magnetic pick-ups
Oil pressure transducers
Sparkplug temperature thermocouples

Other Options:

Calibration weight kits
Fuel hydrometer kits
Ignition and control relay kits
Inertia testing flywheel kits
Sling psychrometer