*Absorber capacities are RPM dependent. Air-cooled absorber loads are rotor temperature dependent. Water brakes require a minimum water flow of 1 gpm @ 30 to 60 psi for every 20 continuous Hp.

"Call Land & Sea, Inc. at (603) 226-DYNO for approximate power limits of specific configurations."

DYNOmite Data-Acquisition Computer:

Expandable, hybrid surface-mount and thru-hole, board system
120-volt 60-Hz, 240-volt 50-Hz, or 12-volt DC
CE and/or UL approved (per locale)
Pro PC-based 28, 56, or 112+ channel capable board sets, require DYNO-MAX software
Lite 3-channel (upgradeable to Pro above)
Up to 1,000 recordings per second (per channel)
Quick-disconnect data harness
Non-volatile setup memory
Smart-Record™ automated recorder triggering
RS-232 and USB ports – for output to a PC with DYNO-MAX software options

Torque Transducer:

1% of full-scale accuracy – typical
Environmentally sealed
S-beam load cell Semi-automatic calibration of zero offset
Temperature compensated

SAE (contact-patch ratio) Hp Capacity:*

* Power capacity is unlimited, but subject to roll diameter-induced tire deformation (safety) and traction (efficiency) limits. Continuous capacity depends on selected absorber and test speeds. Higher torque transfer requires tie downs.
20" 2WD = 900 Hp (1000 / 2.2"deform*μ*2wd)
24" 2WD = 1,000 Hp (1000 / 2.0"deform*μ*2wd)
30" 2WD = 1,350 Hp (1000 / 1.5"deform*μ*2wd)
44" 2WD = 1,650 Hp (1000 / 1.2"deform*μ*2wd)
60" 2WD = 2,000 Hp (1000 / 1.0"deform*μ*2wd)
13" 4WD = 1,480 Hp (1000 / 2.7"deform*μ*4wd)
20" 4WD = 1,800 Hp (1000 / 2.2"deform*μ*4wd)
30" 4WD = 2,700 Hp (1000 / 1.5"deform*μ*4wd)
44" 4WD = 3,300 Hp (1000 / 1.2"deform*μ*4wd)
60" 4WD = 4,000 Hp (1000 / 1.0"deform*μ*4wd)
20" 6WD = 2,700 Hp (1000 / 2.2"deform*μ*6wd)
30" 6WD = 4,050 Hp (1000 / 1.5"deform*μ*6wd)
Note: μ = 1.00 (coefficient of friction for typical 32"-diameter rubber tire on grooved steel roll).

Steady-State Power (absorption units):

Actual load capacity depends on selected (AC, eddy-current, or water-brake) absorber and roll speed (including any overdrive ratio). See online load charts for curves..

Engine and Absorber Tachometers:

0 - 32,000+ RPM display
Quartz-crystal calibrated
RPM pulse type is selectable from ½ to 12 PPR
Clamp-on inductive pickup (standard)
Optional “cigarette lighter” RPM pickup
Optional OBD-II tachometer interface

Dyno Speedometer:

0.0 - 255.0 MPH display
Magnetic RPM/MPH pickup (standard)

MPH Range (tire-deformation limited):

13" multi-twin rolls (linked) = 7 - 120 MPH
20" multi-twin rolls (linked) = 7 - 125 MPH
24" wide roll or 24" twin rolls = 8 - 130 MPH
30" wide roll = 10 - 140 MPH
30" multi-twin rolls (linked) = 7 - 140 MPH
44" twin rolls = 15 - 150 MPH
60" twin rolls = 18 - 160 MPH

Load Control (absorption units only) :

Electronic auto-load control (with road simulation)
Integral drag-race tree, with patent-license options

Absorber (except inertia-only models):

Adjustable load – (bidirectional) with AC, eddy-current, or toroid water-brake absorber options
Dual heavy-duty bearings – Zerk grease fittings

Rolls:

Machined in “traction grooves” for maximum grip and tire life under high-power testing
Medium inertia (to allow absorber simulations)

Roller Frame:

Heavy-duty steel frame, leveling pads or anchors, greaseable bearings, pit-plate or ramp options
AWD multi-twin linked rolls 13" or 20" (HD ramps)
AWD 30", & 44" upgrade, 89"-130" range (or longer) electric wheelbase adjustment
Twin-roll 24", 44", or 60" (high speed - tie down)
Quad-roll 24" (with super-duty frame and bearings)
Wide-roll 24" & 30" (dually model is 96"W)
Custom multi-roll wheelbases available

Axle Weight Capacities:

24" twin roll = 8,000 pounds (per axle)
24" quad roll = 45,000 pounds (per axle)
24" & 30" wide roll = 6,000 pounds (per axle)
44" & 60" twin roll = 10,000 pounds (per axle)

Roller Frame:

Heavy-duty steel frame, heavy-duty floor anchors, greaseable bearings, pit-plate or ramp options
Multi-twin linked rolls 13" or 20" (HD ramps)
Twin-roll 24", 44", or 60" (tie down – high speed)
Wide-roll 24" or 30" (dually model is 96" wide)
Custom multi-roll wheelbases available
AWD 30" or 44" upgrade, 99" - 140" range (or longer) electric wheelbase adjustment

Axle Weight Capacities:

13" HD multi roll = 12,000 lbs (per axle)
20" HD multi roll = 20,000 lbs (per axle)
24" HD twin roll = 24,000 lbs (per axle)
30" wide roll = 10,000 lbs (per axle)
30" HD twin roll = 24,000 lbs (per axle)
44" or 60" HD twin roll = 24,000 lbs (per axle)

Approximate Dimensions and Weight:

13" 2WD tandem quad roll (absorber, less ramps) 133"W x 34"L x 18"H – 3,200 lbs
20" 2WD tandem roll (with absorber, less ramps) 133"W x 48"L x 24"H – 5,600 lbs
24" 2WD twin roll (absorber, less lift or pit plate) 89"W x 52"L x 25"H – 3,700 lbs
30" 2WD wide roll (inertia only, less lift or pit plate) 112"W x 38"L x 30"H – 4,800 lbs
44" 2WD twin roll (absorber, less lift or pit plate) 89"W x 54"L x 48"H – 5,500 lbs
60" 2WD twin roll (absorber, less lift or pit plate) 112"W x 70"L x 64"H – 6,500 lbs
30" 4WD dual-axle pair (2 absorbers, less pit plate) 120"W x 158"L x 30"H – 12,000 lbs
30" 4WD twin-roll sets (2 absorbers, less pit plate) 114"W x 180"L x 14"H – 8,700 lbs
44" 4WD twin-roll sets (2 absorbers, less pit plate) 91"W x 185"L x 48"H – 13,000 lbs
20" 4WD tandem multi roll (4 absorbers, less pit plate) 138"W x 234"L x 24"H – 19,000 lbs
30" 6WD tandem multi roll (3 absorbers, less pit plate) 120"W x 252"L x 30"H – 20,000 lbs

Control Console and PC Options:

Enclosed (RFI resistant) rolling PC cabinet
Pocket DYNO-MAX - wireless control software
“Pro” Console with PC and 17" LCD display

Data Collection Options:

5-gas analyzer with digital RS232 interface
Air/fuel ratio exhaust gas module (with pump)
Atmospheric “Weather Station”
DYNO-MAX “Pro” software
OBD-II interfaces (RPM, MPH, TPI, etc.)
Oil temperature “dip stick” thermocouples

Other Options:

42" 13,300 CFM test bay cooling fan (120 volt)
Above ground mounting 4-post lift kit
Starter motor and drive kit