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Basic Quadcopter Tutorial - Chapter 3 - Power System Video Lecture - Drones
FAQs on Basic Quadcopter Tutorial - Chapter 3 - Power System Video Lecture - Drones for Beginners
| 1. What is a power system in a quadcopter? |  |
Ans. The power system in a quadcopter refers to the set of components responsible for generating and regulating the electrical power required for the quadcopter's operation. This includes the batteries, electronic speed controllers (ESCs), motors, and propellers.
| 2. How does the programming of power system electronics in a quadcopter work? | |
Ans. The programming of power system electronics in a quadcopter involves configuring the ESCs (electronic speed controllers) to control the speed and direction of the motors. This programming is done using a flight controller, which sends signals to the ESCs based on the user's inputs through the transmitter. The programming ensures proper synchronization and control of the motors during flight.
| 3. Can the power system electronics be customized or upgraded in a quadcopter? | |
Ans. Yes, the power system electronics in a quadcopter can be customized or upgraded. For example, you can choose to use different motors or propellers to achieve specific performance characteristics. Additionally, the ESCs and flight controller can be upgraded to newer versions with enhanced features or capabilities.
| 4. What are the common challenges faced in programming power system electronics for a quadcopter? | |
Ans. Some common challenges in programming power system electronics for a quadcopter include calibrating the ESCs to ensure consistent motor performance, troubleshooting communication issues between the flight controller and ESCs, and fine-tuning the throttle response for smooth and precise control. Additionally, understanding and adjusting the power system parameters according to the specific quadcopter's weight and configuration can also be challenging.
| 5. Can the power system electronics of a quadcopter impact its flight performance? | |
Ans. Yes, the power system electronics of a quadcopter can greatly impact its flight performance. The choice of motors, propellers, ESCs, and programming settings directly affect the quadcopter's agility, speed, stability, and endurance. Properly configuring and optimizing the power system electronics is crucial for achieving desired flight characteristics and overall performance of the quadcopter.
Text Transcript from Video
next thing I want to talk about is the
power system what a mess right we've got
all these electronics what do we do with
them well it's really not that confusing
first of all let's start with just one
component this is a brushless motor
you're going to need a propeller and
something hold the propeller on there
our prop savers that use an o-ring to
hold the propeller on but that can flap
around and reduce the performance it's
usually better to use some kind of prop
adapter nose cone something to hold the
prop fouler on there brushless motors
these are just cheap ones you can use
anything you want remember just to keep
the thrust about fitter sound greater
than what you need so I'm sorry about
double so if you need to lift ten pounds
make sure you've got about twenty pounds
and that's the brushless motor and
propeller combination now you'll notice
that on the ends of these wires there's
three wires from a brushless motor I've
got these connectors these are called
bullet connectors they're all different
sizes you want to make sure that you get
the right size for what current you're
going to use this system
we're rating each each motor and ESC
combination is about 25 amps so I've got
your pretty standard bullet connectors
that can handle that much current
there's different brands
I wouldn't say any one is better than
the other how you solder these on I'm
going to show you that in just a minute
actually in the next video but we've got
our connectors on here and that makes it
really easy when you build the quad and
you first turn on the motors you're
going to notice some of them are going
in the wrong direction or maybe you're
really lucky and they'll be going just
the right way but that never happens for
me so the way that you fix that is you
can just detach two of these and switch
them and I'll show you that when we do
the final setup so the power system is
the motor and then we have to have an
electronic speed controller now it's got
a bunch of wires it's got three mating
wires and you notice these have the
female bullet connectors I'm going to
show you why that's important in a
second these are just standard you know
these are turnigy plush 25 amp PSCs
electronics peaking
rolls there's lots of different
marketing want to make sure you can get
one or the that you get one that can
handle greater than fifty Hertz pulse
width modulation in this is where the
pulse width modulation comes into the
controller you can see I added a little
bit of an extension on here this is a
typical servo connector three pen signal
power ground that's going to connect to
the hoverfly pro board and then you've
got your power connection and this is a
very standard connection it's called a
Deans connector and you'll notice I've
got positive here on my flat vertical
connector and then I've got negative on
the horizontal connector it's actually
marked if you look closely on some of
these you can see plus and minus I just
always remember because the positive is
on the almost makes like a plus sign
it's like the vertical part of a plus
sign I don't know it's just the way I
remember it um you'll notice I've got
heat shrink different kinds of each
shrink on here heat rink is really
important don't use electrical tape if
you have electrical tape throw it away
you should get yourself some heat drink
and use heat shrink from now on
electrical tape has a habit of coming
off when you least want it to so he
trick is cheap go ahead and pick some up
so that's the other part of the power
system and then finally we've got a wire
harness which really just provides power
from the battery to each one of the four
speed controllers and this is a standard
my standard power harness I've got lots
of heat shrink here I don't like to use
connectors for the pluses and the
minuses I like to solder them all
together and that's difficult and I'll
show you a trick this is all I don't
know if you can see that 10 gauge wire
you need to make sure that you use the
correct gauge for what current you're
using and you can look that up on the
internet 10 gauge is probably a lot
heavier than I need but I've got really
short runs here I'm not using a lot not
adding a lot of extra weight to my
aircraft by by using 10 gauge so I use
it plus it's available at the hobby
store fairly regularly and you notice
I've got different deans connectors on
here I've got female connectors and I've
got male
connecters I'm going to show you why
that's important in just a second also
attached to your wire harness you're
going to need power that's what this is
for power for the hoverfly pro it's
going to come directly from your battery
to the hoverfly pro as long as you have
like a 3 s battery where the voltage
doesn't exceed the rating of 16 volts on
the hoverfly pro if if you've got like a
5 s battery then you're going to need to
use maybe a separate battery or an
external regulator that can regulate
down to what the hoverfly pro needs then
you'll notice this one other wire on
here I wire this directly into the
harness and this is a voltage alarm this
is specifically for a 3 s battery and
there's an LED on here it's blue when
you're good
blinks blue and then the when it gets
lower and the buzzer goes off when you
get to low why wonder about when your
battery is out just go ahead and grab
one of these for a couple of dollars and
put it into your wire harness that'll
save a lot of batteries you damaged
lipo's if you draw them down too low now
back to the idea of these connectors in
which female or male which ones do I
have to use let's start at the battery
here's the battery right we've got a
balancing plug and then we've got the
deans connector which we put on there
this is a little bit of an old battery
so it's got some electrical tape on it
sorry for that but this is a Deans
connector and when you notice it's a
female connector right female connector
why think of the outlets in your home
right we if problems were sticking out
of the wall with 120 volts I wouldn't be
real safe you want to make female on the
hot side so battery female now this is
my wiring harness in order to go into
that female connector I'm going to need
and you're going to hear beep because
that's my lipo alarm so I've got female
on my battery male for my wire harness
that plugs in
now on the other side the other side of
this wire harness is hot so I've got
female there so that's why I have a male
on the speed controller so that plugs in
here right now the other end of the
speed controller is hot
I've got female again female meets with
the male on the Brussels speed
controller I'm sorry male on the
brushless motor so I've got my motor
speed controller wire harness and then
this all goes to the battery so those
are your basic components of the wire
harness power system and we're going to
melt that on the on the frame in a
moment here the next video is going to
be on how to how to solder some of these
components together
you
power system what a mess right we've got
all these electronics what do we do with
them well it's really not that confusing
first of all let's start with just one
component this is a brushless motor
you're going to need a propeller and
something hold the propeller on there
our prop savers that use an o-ring to
hold the propeller on but that can flap
around and reduce the performance it's
usually better to use some kind of prop
adapter nose cone something to hold the
prop fouler on there brushless motors
these are just cheap ones you can use
anything you want remember just to keep
the thrust about fitter sound greater
than what you need so I'm sorry about
double so if you need to lift ten pounds
make sure you've got about twenty pounds
and that's the brushless motor and
propeller combination now you'll notice
that on the ends of these wires there's
three wires from a brushless motor I've
got these connectors these are called
bullet connectors they're all different
sizes you want to make sure that you get
the right size for what current you're
going to use this system
we're rating each each motor and ESC
combination is about 25 amps so I've got
your pretty standard bullet connectors
that can handle that much current
there's different brands
I wouldn't say any one is better than
the other how you solder these on I'm
going to show you that in just a minute
actually in the next video but we've got
our connectors on here and that makes it
really easy when you build the quad and
you first turn on the motors you're
going to notice some of them are going
in the wrong direction or maybe you're
really lucky and they'll be going just
the right way but that never happens for
me so the way that you fix that is you
can just detach two of these and switch
them and I'll show you that when we do
the final setup so the power system is
the motor and then we have to have an
electronic speed controller now it's got
a bunch of wires it's got three mating
wires and you notice these have the
female bullet connectors I'm going to
show you why that's important in a
second these are just standard you know
these are turnigy plush 25 amp PSCs
electronics peaking
rolls there's lots of different
marketing want to make sure you can get
one or the that you get one that can
handle greater than fifty Hertz pulse
width modulation in this is where the
pulse width modulation comes into the
controller you can see I added a little
bit of an extension on here this is a
typical servo connector three pen signal
power ground that's going to connect to
the hoverfly pro board and then you've
got your power connection and this is a
very standard connection it's called a
Deans connector and you'll notice I've
got positive here on my flat vertical
connector and then I've got negative on
the horizontal connector it's actually
marked if you look closely on some of
these you can see plus and minus I just
always remember because the positive is
on the almost makes like a plus sign
it's like the vertical part of a plus
sign I don't know it's just the way I
remember it um you'll notice I've got
heat shrink different kinds of each
shrink on here heat rink is really
important don't use electrical tape if
you have electrical tape throw it away
you should get yourself some heat drink
and use heat shrink from now on
electrical tape has a habit of coming
off when you least want it to so he
trick is cheap go ahead and pick some up
so that's the other part of the power
system and then finally we've got a wire
harness which really just provides power
from the battery to each one of the four
speed controllers and this is a standard
my standard power harness I've got lots
of heat shrink here I don't like to use
connectors for the pluses and the
minuses I like to solder them all
together and that's difficult and I'll
show you a trick this is all I don't
know if you can see that 10 gauge wire
you need to make sure that you use the
correct gauge for what current you're
using and you can look that up on the
internet 10 gauge is probably a lot
heavier than I need but I've got really
short runs here I'm not using a lot not
adding a lot of extra weight to my
aircraft by by using 10 gauge so I use
it plus it's available at the hobby
store fairly regularly and you notice
I've got different deans connectors on
here I've got female connectors and I've
got male
connecters I'm going to show you why
that's important in just a second also
attached to your wire harness you're
going to need power that's what this is
for power for the hoverfly pro it's
going to come directly from your battery
to the hoverfly pro as long as you have
like a 3 s battery where the voltage
doesn't exceed the rating of 16 volts on
the hoverfly pro if if you've got like a
5 s battery then you're going to need to
use maybe a separate battery or an
external regulator that can regulate
down to what the hoverfly pro needs then
you'll notice this one other wire on
here I wire this directly into the
harness and this is a voltage alarm this
is specifically for a 3 s battery and
there's an LED on here it's blue when
you're good
blinks blue and then the when it gets
lower and the buzzer goes off when you
get to low why wonder about when your
battery is out just go ahead and grab
one of these for a couple of dollars and
put it into your wire harness that'll
save a lot of batteries you damaged
lipo's if you draw them down too low now
back to the idea of these connectors in
which female or male which ones do I
have to use let's start at the battery
here's the battery right we've got a
balancing plug and then we've got the
deans connector which we put on there
this is a little bit of an old battery
so it's got some electrical tape on it
sorry for that but this is a Deans
connector and when you notice it's a
female connector right female connector
why think of the outlets in your home
right we if problems were sticking out
of the wall with 120 volts I wouldn't be
real safe you want to make female on the
hot side so battery female now this is
my wiring harness in order to go into
that female connector I'm going to need
and you're going to hear beep because
that's my lipo alarm so I've got female
on my battery male for my wire harness
that plugs in
now on the other side the other side of
this wire harness is hot so I've got
female there so that's why I have a male
on the speed controller so that plugs in
here right now the other end of the
speed controller is hot
I've got female again female meets with
the male on the Brussels speed
controller I'm sorry male on the
brushless motor so I've got my motor
speed controller wire harness and then
this all goes to the battery so those
are your basic components of the wire
harness power system and we're going to
melt that on the on the frame in a
moment here the next video is going to
be on how to how to solder some of these
components together
you
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Mar 11, 2026 Last updated
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