Engine Dynamometers

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The SF-3000BW, also known as the Black Widow engine dyno from SuperFlow, is unmatched in its combination of low speed torque capacity and high-speed power capacity. This means the SF-3000BW is equally matched for diesel performance and Pro Mod drag applications. The stainless-steel absorber will last for years due to its high resistance to cavitation. Automated tests make operation simple and repeatable with prompts that guide you from start to finish.

With a speed range from 1,300 rpm all the way to 11,000 rpm (intermittent), the SF-3000BW (Black Widow) handles anything from high-torque performance and marine engines to high-revving drag engines. This versatile water brake dynamometer is rated for 3,000 hp (2,237 kW) and 2,500 lb-ft (3390 Nm) of torque. Our engineers have meticulously implemented measures to ensure the SF-3000BW possesses the renowned accuracy, consistency, and control characteristic of all SuperFlow dynamometers.

Features and Standard Configuration

The SF-3000BW (Black Widow) is built with integrated starters which eliminate the need for bell housing or engine mounted starter. A special compliant driveshaft that absorbs the torsional vibrations of the engine allows for coupling to the dynamometer directly to the engine’s crankshaft or flywheel. The driveshaft’s 4.5 in (114 mm) constant velocity (CV) joints ensure smooth power transfer.

Precise control of the water equates to precise closed-loop load and speed control of the engine. SuperFlow designed an exclusive dual water valve strategy for the SF-3000BW. Stainless steel absorber inlet and outlet valves with high speed stepper motors control the water flow in and out the Black Widow’s absorber manifolds. The dual valve control allows the water brake to respond quickly to abrupt load changes such as nitrous oxide “hit” or steep rise in engine volumetric efficiency (VE) from a turbo or supercharger and it increases overall system torque absorbing capacity.

  • Complete engine testing system includes dynamometer stand, engine docking cart, operator station & console, throttle control, thermostatically controlled engine cooling column, WinDyn data acquisition and software, Dynamometer PC, multiple monitors and color printer
  • Durable industrial grade construction and components for reliable trouble-free operation
  • Test stand located large tool tray also convenient area to mount ECM/ignition systems
  • Automated tests for simple operation and extreme repeatability
  • Uni-directional operation – with unique cross vented rotor design for equal capacity in either direction
  • Boom system to mount sensor box, manage sensor cables, weather station and mount the cooling column neatly in the test cell
  • 500 data acquisition channels – user configurable to meet any application
  • Pre-scripted standard tests like acceleration sweeps, step and steady state tests, and engine break-in test cycles
  • Modular sensor box with expansion panel system to easily add sensors as testing needs change over the life of the dyno

Product Specifications

Power and Torque
Absorber Type Water brake, uni-directional
Maximum Speed 11,000 rpm
Horsepower Capacity 3,000+ hp (2,237 kW)
Torque Capacity 2,500+ lb-ft. (3,390 Nm)
Water Requirements
Required 10 gallons per minute (gpm) for each 100 hp (75.5 kW) produced by the engine at a minimum pressure of 35* psi (2.4 bar) *application specific
Stand Sensor Compliment Includes
Temperature (1) One: (16) Sixteen-channel thermocouple panel
(12) Twelve: Closed tip thermocouples, .125 in (.3175 cm) diameter x 4 in (101 mm) long probe with 5 ft. (152 cm) lead, 0° to 2,000°F (-17.8° – 1,093°C)
(12) Twelve: Swagelock fittings
(12) Twelve: 10 ft (3.048 m) extension cables
Pressure (1) One: (10) Ten-Channel pressure panel
(3) Three: Transducers included standard (-15 to 150 psi, 1-10 bar)
Air / Fuel (2) Two: Pre-configured analog inputs (Lambda/AFR)
Fuel Flow (2) Two: Fuel flow measurement turbines 2-80 gallons (7.5- 302 l) per hour (Gasoline) each
Typical Shipping Dimensions and Weights
Crate 1 of 2 462 lb (210 kg), 35 x 66 x 46 in (89 x 168 x 117 cm)
Crate 2 of 2 1,980 lb (898 kg), 52 x 87 x 62 in (132 x 221 x 157 cm)

Data Acquisition & Control

Product Options

Product Options


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