Automotive Pvt. Ltd., a Bengaluru based company, unveiled a high performance
electric motorcycle – the F77. The motorcycle has an acceleration of 0-60kmph
in 2.9 seconds (0-100kmph in 7.5 seconds) and top speed of 140 kmph. The
combined batteries provide a range of 130 to 150 km in the city on standard
driving conditions on a single charge.
F77 will first be rolled out in Bengaluru, covering the entire country over the
next year. The motorcycle was unveiled by Narayan Subramaniam, Founder and CEO
and Niraj Rajmohan, Founder and CTO, Ultraviolette
Automotive Pvt. Ltd, among others. The vehicle is propelled by the immediate
torque of 90Nm all-electric powertrain, has a steel-aluminum frame, inverted
front forks and adjustable rear suspension.
F77 is powered by Ultraviolette’s Modular Battery technology and is a smart and
connected electric motorcycle that will be enabled with ride telematics, remote
diagnostics, over-the-air (OTA) upgrades, regenerative braking, multiple ride
modes, ride analytics, and bike tracking.
motorcycle has a wheelbase of 1340mm, a seat height of 800mm and kerb weight of
158kg. As for the performance, the maximum power output is 25,000 watts
@2250rpm, max power of 33.5hp@2250rpm, max.
torque of 90Nm (motor) and 450Nm (wheel).
The batteries consist of three modular Li ion battery packs with a max.
capacity of 4.2kWh. The recently launched RV400 high performance electric motorcycle is powered by a 3.24 KWh Lithium Ion battery that generates
72V of power and has an electric motor of 3 KW power.
in three variants F77 Lightning, F77 Shadow and F77 Laser, the F77 is priced between
Rs 300,000 and Rs 325,000 (On-road). Online registrations for the F77 have
commenced and deliveries are estimated to begin in Q3 2020.
on a steel trellis frame with aluminium bulk head, the motor F77 has inverted
cartridge type forks as its front suspension, while gas charged preload
adjustable shock absorber make up for the rear suspension. It has hydraulic disc brake with dual channel
antilock brake system. While in front it has fixed 4 radial piston, the rear
comprises single piston floating caliper. The front disc has a dimension of 320mm
drilled hole, while the rear has a 230mm drilled hole disc.
F77 comes with a customisable power regeneration mode each time you brake,
which in turn adds to the battery charge. This is particularly useful in urban traffic
that often requires a lot of slow-rolling and stop-and-go riding.
centre of gravity has been optimised to enhance handling, traction, braking,
and cornering performance. The Ultraviolette F77 is built around a foundational
building block of energy storage – modular battery packs. Ultraviolette’s
modular batteries are built to world leading standards in terms of Power
Density, Energy Density, Cycle Life, and Resistance to extreme shock and vibration.
Each modular battery incorporates proprietary thermal management technology to drastically
improve heat dissipation and reduce temperature gradients within cells leading
to higher cycle life.
protection includes structural crush zones to take the first impact over the
cells and structural support to prevent vibration-induced long-term damage. Key
structural members within the battery packs are built to perform hybrid
functions including structural support and thermal pathways for heat
safety strategy in the battery packs and vehicles interrupts excessive
currents, voltages and temperatures at the cell and module levels. Protection
in the form of electrical, software, mechanical and structural, thermal and
electronic safety measures work together to achieve safety standards on-par
with aviation and aerospace standards.
Charging technology provides a 0-80 percent battery charge in 50 minutes or
0-100 percent charge in 90 minutes with the Fast Charger accessory. The
Standard Charger provides a 0-80 percent battery charge in 3 hours or 0-100
percent charge in 5 hours.
vehicle includes a CCS Type-2 Charge Port to support both AC and DC charging
from public infrastructure.
F77 motorcycle is equipped with a full suite of smart systems, rider aids and
interfaces for a completely connected experience. A 5-inch high-brightness
colour TFT touchscreen (thin-film-transistor) located on the handlebar offers
the rider a wide range of information on a display that’s bright and easy to
read. Three selectable Ride Modes electronically control the performance characteristics
of the motorcycle. These include Eco, Sports and Insane.
F77 includes a 9DOF (9 Degrees of Freedom) Inertial Measurement Unit. The IMU
allows the vehicle to capture nine distinct types of motion or orientation
related data: 3 degrees each of acceleration, magnetic orientation, and angular
velocity. Sensor data combined with sensor fusion technology provides the exact
lean angle, accident and fall detection, rate of acceleration and position of
the motorcycle in every possible circumstance. Riders have access to this ride
data through the mobile app along with diagnostics information. The
Ultraviolette Android and iOS Apps links an F77 owner with their motorcycle through
their smart phone.
F77 is a full-connected smart vehicle with LTE connectivity and GPS
positioning. This enables the FindMyBike feature to locate, and even lock-down
the vehicle in real-time. Connectivity also enables Preventive Maintenance, a
first for motorcycles, where problems are identified from collected data before
the rider notices any measurable degradation in performance. The data from
multiple voltage, current, temperature and vibration sensors is used to
diagnose and predict problems even before they can occur. With efficiency
mapping technology, precise measurements of energy consumed is analysed in
real-time. Every unit of energy transferred from the charger to the battery,
from the battery to the electronics, and finally the electrical energy
delivered to the motor and mechanical energy delivered to the wheels is
accounted for and monitored to ensure all systems are operating with peak
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