welcome to season 1 episode 4
here we're going to conclude the build
on a marut 800 electric
the reason we've not kept rare seats in
the car is because this is a
recreational fun
car intentionally made to be driven on
race tracks and stuff
so what we plan over here is we plan a
nice
flat luggage storage compartment where
you can also
put a small little bed and go for
camping and stuff coming to the
technical parts of it
we've got a motor controller here made
from curtis
it's the 1234se model and
this is the main contactor
and the battery is being charged with a twin
charger setup and we have the dc-dc
converter and our
bms right over there so we've mounted
seven batteries over here
all of them are 200Ah lithium phosphate
batteries
and the rest of the batteries are in the
engine compartment so we have the rest
of the nine batteries here in the engine
compartment
these are also 200Ah winston's LFP
cells
we have a total pack voltage of 48 volts
and
we plan to have the ac compressor over
here being driven by a BLDC motor
but we've cancelled the plan as this is
a recreational vehicle
primarily for track purpose and not for
street use
this is a standard CURTIS foot pedal
throttle that we have installed
i've been driven by my throttle cable
running from inside the car
so when you accelerate it basically
oscillates
that's how you put it back
 
 
This is our own custom display it's a
touch screen and we've made this using a
Raspberry pi also called as the R-pi
it shows the total capacity being used
of the battery
it shows you your current consumption it
just shows you your status whether it's
on charging mode
and your motor temperature your
controller temperature you can also
see your total battery capacity you can
reset the calibration in case you happen
to change or
recondition your batteries you can shift
to different driving modes such as
forward neutral and reverse
so let's just shift to forward and over
here we can see that it is
gone into drive mode and as you drive
the energy flow from the battery to the
motor shall be shown
we're introducing a really unique
feature in this car
it's a HILL HOLD assistance for
downward slope in forward direction as
well (Along with uphill also)
so i'm not holding the brakes the hand
brake is switched off and
the car holds itself in the position
that it is in
irrespective of the gradient and, to move, I
just throttle to go ahead
so we've covered all the electronics
with a flatbed for storage
and this uh platform can take a lot of
weight as well
so it's a two-seater sports car and
we've provided cooling fans on either
sides to vent out the hot air from the
charges and the battery management
system
and the dc-dc converters through the
doors out from the sides
 
