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Slip-free
- Patented designed dynamometer with direct coupling to
the wheel hubs (drive shafts).
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Outstanding
performance - The ROTOTEST VPA-R series of dynamometers
offers a wide range of performance (power, speed and torque).
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Patented torque system - Patented torque measurement system
with exceptional torque accuracy.
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Synchronous measurement - A dynamometer with high-speed
synchronous measurement of torque and speed resulting
in state of the art dynamometer control and measurement
accuracy.
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Calibrateable - Any professional grade dynamometer needs
to be calibrateable. The ROTOTEST VPA-R dynamometer is
torque calibrated using dead weights.
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Zero inertia - The detection of minimal load changes is
ensured by Rototest’s dynamometers, which by design
have a negligible inertia.
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No tire noise – With the tires removed, there will
be no tire noise.
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No tire explosions – Tire explosions are rare but
do happen on roller type dynamometers due to overload.
Using a hub type dynamometer will eliminate risk for tire
explosions.
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Normal suspension handling – The professional car
set up (installation) of the ROTOTEST VPA-R dynamometer
system enables a natural movement of the suspension during
testing with only negligible influence.
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No blocking of car doors – Safety above all. Rototest’s
dynamometers are designed to give free passage through
car doors when installed.
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Stable – A negligible run-out together with a vertical
reaction force (compared to horizontal reaction force
seen of roller type dynamometers) gives a stable and low
vibration test condition.
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Center nut – A wheel hub connection system that
will allow installation to any type of wheel hub.
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No oil fumes – The hydraulic ROTOTEST VPA-R dynamometer
system uses a sealed, pressurized system that generates
no emission of hydraulic oil fumes and also allows it
to be turned up-side-down without oil spill (imperative
for commercial transports).
