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The one that getting hot are the cables, the one that attached to the battery and the xt60 connector. I think the amps draw are a bit high, i'm buying another battery today to make it 3s2p configuration and change some mdf with balsa to lighten the weight. As it is right now, the quad start to...

I got those numbers from ecalc hehehehehe

Hahaha, actualy the store where i bought the motors end escs are specialized for plane and helis. And that time i didn't really understand the differences between the escs or motors, But when i set up the esc with the cc3d GCS, it automaticly set the frequency to 490hz, and i can't find anything...

This is my latest buld quad, it still using parts from my first build : Suppo bl-2814/6 1400kv motors 50A opto esc also from suppo 10mm x 10mm aluminium for the arm and landing skid Custom lasercut mdf body (planning to change it with something lighter in the future) 5400mah 45c battery...

Can you provide the detail about your motor and esc?

Hahaha, no no, i don't need that kind of power....yet hahahaha, mostly working with acrylic no thicker than 10mm so 100 watts is more than enough

No, it can't cut metal material, just wood or mdf max 12mm thick, acrylic and can do engraving. It was set to cut from a PC, actually it was made in china hahahaha LOL, the cutting size are 130 x 90 cm. the laser tube is quite big, it was placed in the back of the machine and the laser is...

Hahaha, no, not that big, only a 100watts CO2

Hahahha, it was 2,4 kg with gimball and action cam attached. Only arm tubes are from aluminium, the cf tubes i had earlier was used for the backbone of the body so the front and the rear area doesn't twist from the torque

Hahahha, i totally get it if you want to make it foldable. Mine was taking a lot of space. This is the latest build of my quad, and it is really big, i'm using a 10" prop and a diy prop guard from polyfoam For comparison of size, the floor tile is 60x60 cm

One question, is the arm a tube or a square? If the arm is a tube, be careful with aligning the motors, just make sure they all have the same angle of thrust, that was my mistake on my first design, i didn't calculate the vibration of the motors, it makes the motor mount to turn and make the...

I think it depends on what are you planning to lift with the quadcopter, i think the bigger the payload, the higer the torque of the motor to turn a bigger prop. Usually a motor have a datasheet about how much the thrust it give with a certain prop and how much amps it draw. You can go from...

Nope, still using my laser cutter heheheh, using just 15% of power to cut the 5mm polyfoam and then glue it together to make it thicker

This is the latest frame i build, now it uses aluminium reinforced arms, the carbon tube is used as a backbone for the center body. It weigh 2300grams with camera and gimbal attached, but it take off with just 40% of thrust. I use a polyfoam guard to keep the prop from bumping into things and i...

Yup, that cable is very useful, i use one like that, but i use the extra cable to power my bec and gimbal

The battry you use is 5000mah 20c, so if you have 2 batteries in pararel that means you have 10000mah at 20c. It equals 200amps. Now you must calculate how many amps the motors draw at max thrust and at hover, also calculate the efficiency of the motors. Go to http://www.ecalc.ch/xcoptercalc.php...

Power distribution board can simplify the wiring, it is very useful in smaller frame because there is so little room left for wire, but in large frame it is not so important because there is plenty of room for the wire. The battery take almost 50% of the weight. Double the battery doesn't mean...

Then in my opinion, you shoul try low kv motors with big props, but try to find the motor that are in 20-30amp range, it should have enough thrust and not pulling the battery so much

Hmm, the biggest problem would be your flight time, if the quad will carry so much payload, maybe you should consider a hexa, it has better stability an bigger payload because there are 6 motors lifting it up, if i'm not wrong, low Kv motors with big props will give you bigger payload and...

If you never flight a quad before, i'm sure you will have a crash lol :D Better prepare some extra props, my quad already crash twice, and broken 4 sets of carbon props. Till i get the feel of the controls, gonna use plastic props instead. Already making a third design frame hahaha, going with a...