I Built a WEED WHACKER from a Drone Motor! 3D Printed - Assembling

So these are the parts and basically I designed them to use with two different types of motors. I'm going to show you my um hardware as well. one big motor

spinning a big 11in propeller or uh if you want to use a longer zip ties then this is the biggest part in this project that you will print because this is the

uh protection cover should you want to run bigger prop with the bigger motor or a bigger blade after that obviously a small cover uh for you to run a smaller

motor with a smaller blades and I also have an experimental 3D printed blade which I see how well it will work to cut

uh the weed or grass or anything else and how long it will survive. Okay. TPU

tires, wheels. Okay. And then long rod.

Now, I could have used a very cheap uh broom stick that I can buy for uh five or 10 dirham in the market, but I thought, you know, if you have a 3D printers, let's just print everything.

So, these you can print as many as you want. Okay? And they actually join using

want. Okay? And they actually join using the joiner right here and screw in. And

you can just keep adding and make this as long a stick as you want. And then we have our handle right here. Okay. On

which I will have my uh control here for the speed of the motor. Okay. ESC box uh control box. A screw for the handle.

control box. A screw for the handle.

Then we have a motor mount. The cylinder

on which the motor will mount. screw to

hold the handle on the motor mount and then some and then two combs one small and one big that will go actually in front of the uh

um cover so that it will help the blade uh avoid the wall. So if you are cutting the grass near the wall this comb will touch the wall and because the blade diameter is beyond the length of this so

blade will not touch the wall and get damaged or break off. So these are the combs to protect the blades. All right.

So now assembly should be very very easy. This is my hardware. So as I

easy. This is my hardware. So as I mentioned, I'm going to use two different types of motors. Okay. One is

this drone motor which is small and it's uh uh my eyesight is getting very weak.

It's 2,400 KV. So it's going to pull a lot of RPM. And even if I got an APC small propeller, I can just use that propeller and it will effectively cut

the grass. But as I mentioned, I have

the grass. But as I mentioned, I have printed a small blade for it. I will try and see how this 3D printed blade works.

Because if this breaks or wears off, you can always print as many as you want. I

also have parts like this which you can use to actually, you know, put the zip ties on it. So you can put up to four zip ties on those and then install these

on the motors. All right? and you will have a zip ties that can actually effectively cut the grass. Okay, we'll

give that a try as well. Both blades and the grass. Now the second one, I have a

the grass. Now the second one, I have a bigger motor. So this small motor is

bigger motor. So this small motor is like very high RPM. So it's like high speed. But this motor, this is only 900

speed. But this motor, this is only 900 KV and it's like more power rather than high speed or RPM. However, 900 KV, 900 revolution per minute means this is

still a very effective motor to cut grass and shrubs. And check this out.

This is an APC blade. It's actually

already very sharp that you know, look at that. You can actually cut using just

at that. You can actually cut using just this blade. You don't have to actually

this blade. You don't have to actually you don't have to uh design something.

If you want to fly, you have to mount it according to how your motor is and spin it in this way to have a thrust to uh to blow the air backward and get the forward thrust. But because now I don't

forward thrust. But because now I don't need thrust, so I will I will mount it this way, but I will spin it in a direction where the sharp part of the

blade is and this will effectively cut the grass. This is my idea. We will test

the grass. This is my idea. We will test it out very very soon. After that, I have two different ESCs, but both are 40 amp ESC's. And to control uh the speed

amp ESC's. And to control uh the speed of the motor, I'm just using a simple servo tester right here. Okay. So, you

know, set as much speed as you want and keep cutting. All right. Let's start

keep cutting. All right. Let's start

with assembly. Preparing the wheels are easy. So, TPU tires because they are

easy. So, TPU tires because they are soft. You can just uh use a little bit

soft. You can just uh use a little bit of force and bam, you have wheels. All right.

Okay. So, small wheels are ready as well. And to fit the wheels, just make

well. And to fit the wheels, just make sure to clean up this little edge here and the wheel will install on it. It's

should be very, very free. Okay. So,

install this with a screw here. And same

goes for the big cover. All right. Make

sure to file these things down first before you install the wheels on and put the screw. Making sure the wheels spin

the screw. Making sure the wheels spin nice and free. Next, preparing the stick. The long stick is easier. So,

stick. The long stick is easier. So,

you just add them to these parts and you can easily screw them on.

Then goes this And then goes another one from the other side.

So basically you can print as many as you want and keep extending the length of this.

Now I do have one more but I think for my height I mean I'm not a tall guy. This

should be long enough.

You can easily make something that reaches to the ground. Now for my height, I'm a short guy. This is more than enough. Now that the stick is

than enough. Now that the stick is ready, uh, next thing is this piece which will hold the cylinder that this

motor is on. Okay. So, just add it on the stick, the bottom part right here.

Okay. And using the uh 3D printed screw.

I'm not sure how uh strong it's going to be, but we'll find out if you do it right. This is designed in a way that

right. This is designed in a way that you can actually feel it's locking.

Okay. So, just put the uh nut now and it should be locked there.

Now, before we install anything else, let's uh install the small motor because I'm going to experiment with the small motor first. All right. So, this motor

motor first. All right. So, this motor will be installed on this piece with four screws or just two screws. It's up

to you. Two screws should be fine. Motor

installed on the motor mount. Now,

I believe this is the uh closest I can get to that hole and it actually fits right. All the holes align right here.

right. All the holes align right here.

And now I can simply put these cables from inside this hole.

So, I'm running the cables from inside this hole.

Now that the motor is installed, I will just put on two screws so that motor mount will stay on this cylinder.

I don't think I need to put on any nuts on these. These are already really nice

on these. These are already really nice and tight. You can bring it to the

and tight. You can bring it to the stick. Okay. And put the cylinder

stick. Okay. And put the cylinder through this clamp and you can put two nuts in here and put two screws and it

will grab it nice and tight, ensuring it won't move. It won't spin. Uh I will

won't move. It won't spin. Uh I will however update the design just a tiny bit adding one or two locks on both sides so that ensuring that no matter

what even if the screws come loose the cylinder will not spin due to the motor torque because if I use a big motor this is a very torquy motor given that it's

spinning such a big prop and when you're cutting grass it's hitting the grass shrub and places and whatnot. So it

might be uh it might actually spin the cylinder but I can see the cylinder once I tighten the clamp the cylinder actually doesn't move. But anyway to be

safe I will add one or two locks right there. Okay. So this will be very easy

there. Okay. So this will be very easy to install and anytime you want you can remove it. You can print two of these.

remove it. You can print two of these.

That means one has a small motor mounted on it. You can print another one with a

on it. You can print another one with a bigger motor on it. You can print a third one with a third type of motor on it. So you can print multiple of these

it. So you can print multiple of these with multiple motors installed on it and later all you need to do is just you know put it through the cylinder and

lock it right there easily and quickly you can change motors anytime on your uh drone motor weed cutter. Now I will add

this cover right here.

All righty. This one is ready and it works.

Check this out. Oh, I mean I can break this part, but this cylinder is not going to move.

Okay. So, I'm going to connect the ESC and stick the box here or just uh zip tie it for now. DIY drone motor weed

cutter is ready for its first test.

So, I have the comb. I have the 3D printed blade installed on it. Wheels

installed on it. Okay. I have my cylinder installed nicely. ESC zip tied in its box. Using the zip ties, I'm

bringing the cables up. I will strap a battery here for now. Uh once everything is successful, I will design a battery box as well. So I have my comb, wheels,

blade, motor, everything installed right here. The cover is right. Okay. And then

here. The cover is right. Okay. And then

clamp is holding the cylinder. All

right. Then ESC in its box is strapped in uh using the zip ties. All right.

going up. I have strapped a battery for now using a Velcro. After it's

successful, inshallah, I will make a proper battery tray or battery box right here. And finally, I have strapped my

here. And finally, I have strapped my servo tester right here next to the handle. So, I can set and control the

handle. So, I can set and control the speed using this. And now you can see according to my height, I can actually

easily drive it on the floor. and uh you know make my angles and cut the grass properly. All right, so the smaller

properly. All right, so the smaller motor version of my drone motor weed cutter is ready. Let's bring this baby out for its first test.

>> Grass rebuild, bounce back. That's what

I do. Grass rebuild, bounce back quick.

We in the dirty south. Rain. No one

slid.