*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, surface-mount 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

Industry's claimed flash roll-power range*

*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.
8½" 2WD = 850 Hp (634 KW)
12" 2WD = 1,200 Hp (895 KW)
13" 2WD = 1,300 Hp (969 KW)
20" 2WD = 2,000 Hp (1,492 KW)
24" 2WD = 2,400 Hp (1,790 KW)
30" 2WD = 3,000 Hp (2,237 KW)
44" 2WD = 4,400 Hp (3,281 KW)
60" 2WD = 6,000 Hp (4,474 KW)
13" 4WD = 2,600 Hp (1,939 KW)
24" 4WD = 4,800 Hp (3,580 KW)
30" 4WD = 6,000 Hp (4,474 KW)
44" 4WD = 8,800 Hp (6,562 KW)
60" 4WD = 12,000 Hp (8,948 KW)

Industry's claimed engine-power range*

*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.
8½" 2WD = 1,062 Hp (792 KW)
12" 2WD = 1,500 Hp (1,119 KW)
13" 2WD = 1,625 Hp (1,211 KW)
20" 2WD = 2,500 Hp (1,864 KW)
24" 2WD = 3,000 Hp (2,237 KW)
30" 2WD = 3,750 Hp (2,796 KW)
44" 2WD = 5,500 Hp (4,101 KW)
60" 2WD = 7,500 Hp (5,593 KW)
13" 4WD = 3,250 Hp (2,424 KW)
24" 4WD = 6,000 Hp (4,474 KW)
30" 4WD = 7,500 Hp (5,593 KW)
44" 4WD = 11,000 Hp (8,202 KW)
60" 4WD = 15,000 Hp (11,186 KW)

SAE (roll-diameter-based contact-patch ratio) Tire-Safety 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.
8½" 2WD = 530 Hp (1000 / 3.8"deform*μ*2wd)
13" 2WD = 740 Hp (1000 / 2.7"deform*μ*2wd)
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)
24" 4WD = 2,000 Hp (1000 / 2.0"deform*μ*2wd)
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)
Note: μ = 1.00 (coefficient of friction for typical 24"-diameter rubber tire on grooved steel roll).

SAE (roll-diameter-based contact-patch ratio) Repeatable-Hp Limit:*

*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.
8½" 2WD = 265 Hp (1000 / 3.8"deform*μ*2wd*50%
13" 2WD = 370 Hp (1000 / 2.7"deform*μ*2wd*50%)
20" 2WD = 450 Hp (1000 / 2.2"deform*μ*2wd*50%)
24" 2WD = 500 Hp (1000 / 2.0"deform*μ*2wd*50%)
30" 2WD = 675 Hp (1000 / 1.5"deform*μ*2wd*50%)
44" 2WD = 825 Hp (1000 / 1.2"deform*μ*2wd*50%)
60" 2WD = 1,000 Hp (1000 / 1.0"deform*μ*2wd*50%)
13" 4WD = 740 Hp (1000 / 2.7"deform*μ*4wd*50%)
24" 4WD = 1,000 Hp (1000 / 2.0"deform*μ*2wd*50%)
30" 4WD = 1,350 Hp (1000 / 1.5"deform*μ*4wd*50%)
44" 4WD = 1,650 Hp (1000 / 1.2"deform*μ*4wd*50%)
60" 4WD = 2,000 Hp (1000 / 1.0"deform*μ*4wd*50%)
Note: μ = 1.00 (coefficient of friction for typical 24"-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): **
8½" tandem rolls (speedo tester) = 5 - 125 MPH**
13" tandem quad rolls (linked) = 7 - 160 MPH**
20" wide roll = 7 - 160 MPH**
24" wide roll or 24" twin rolls = 8 - 180 MPH**
30" wide roll = 10 - 200 MPH**
44" twin rolls = 15 - 225 MPH**
60" twin rolls = 18 - 250 MPH**

MPH Range (tire-deformation limited): **

**Range is subject to tire's speed rating (sr) and roll diameter-induced tire deformation (safety) limits.
8½" tandem rolls = 5 - 95 MPH (186sr / 3.8"^.5deform)
13" tandem quad rolls (linked) = 7 - 113 MPH (186sr / 2.7"^.5deform)
20" wide roll = 7 - 125 MPH (186sr / 2.2"^.5deform)
24" wide roll or 24" twin rolls = 8 - 132 MPH (186sr / 2.0"^.5deform)
30" wide roll = 10 - 137 MPH (186sr / 1.5"^.5deform)
44" twin rolls = 15 - 166 MPH (186sr / 1.2"^.5deform)
60" twin rolls = 18 - 186 MPH (186sr / 1.0"^.5deform)

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
Tandem quad-roll 8½" (dolly/pit/ramp options)
Tandem quad-roll 13" (caster/pit/ramp options)
Wide-roll 20" (with integral anchoring feet)
Twin-roll 24", 44", or 60" (tie down – high speed)
Wide-roll 24" or 30" (dually model is 96" wide)
AWD multi-twin linked 13" rolls (pit/ramp option)
AWD 13", 30", or 44" upgrade, 89" - 130" range (or longer) electric wheelbase adjustment

Axle Weight Capacities:

8½" quad roll (speedo tester) = 8,000 lbs (per axle)
8½" quad roll (road-load simulator) = 8,000 lbs (per axle)
13", 24", 30", 44", and 60" twin roll = 10,000 lbs (per axle)
20" wide roll = 6,000 lbs (per axle)
24" or 30" wide roll = 8,000 lbs (per axle)

Approximate Dimensions and Weight:

8½" 2WD (speedo tester) tandem roll (less ramps)
102"W x 38"L x 13"H – 1,550 lbs
8½" 2WD (road-load simulator) tandem roll (less ramps)
120"W x 38"L x 20"H – 1,900 lbs
13" 2WD tandem quad roll (absorber, less ramps)
133"W x 34"L x 18"H – 3,200 lbs
13" 2WD tandem HD quad roll (absorber, less ramps)
133"W x 34"L x 18"H – 4,100 lbs
20" 2WD wide roll (absorber, less ramps)
120"W x 35"L x 21"H – 3,500 lbs
24" 2WD wide roll (inertia only, less lift or pit plate)
104"W x 32"L x 24"H – 3,300 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
13" 4WD tandem quad-roll sets (absorbers, less ramps)
133"W x 163"L x 18"H – 8,700 lbs
44" 4WD twin-roll sets (two absorbers, less pit plate)
91"W x 185"L x 48"H – 13,000 lbs

Control Console and PC Options:

Enclosed (EMI 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