Questions tagged [power]

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Flight properties vs Energy Storage, is it a linear relationship?

I found an interesting drone platform from the brand: Dji Drones. From the spec sheet found here, I realized it had some limitations... but was curious if were to modify by adding more batteries, ...
1 vote
1 answer
389 views

What battery can I use for 1000kv brushless motor, that will be the cheapest?

I am using a 10 x 4.5 propeller for my A2212/13T 1000KV brushless motor with a 30A ESC. What battery will I need that will be cheap to power my motor alongside three 9-gram servos? Flight time is not ...
1 vote
1 answer
148 views

I have a design for powering four motors, could someone verify that it will work as I planned?

My question: This is a simple design that I have created using everything that I know about electronics so far. Is there anything missing in my design or are there any concepts which I have ...
0 votes
1 answer
198 views

How can I use a Pixhawk 4 power distribution board (PM07) to power an older pixhawk?

I have the PM07 power distribution board designed for the Pixhawk 4 but I currently have a Pixhawk 2.8.4. On the data sheets I can clearly see a 5V output but I am not getting any power from those ...
1 vote
1 answer
200 views

Radius of drone when hovering in circles

According to Energy Minimization for Wireless Communication With Rotary-Wing UAV, it is better to fly in circles than to hover at a single place (if hovering is required). Flight requires less power. ...
1 vote
1 answer
53 views

Can be ESC connected to battery directly if PDB has not enough power?

I want to use FC Matek F405-TE http://www.mateksys.com/?portfolio=f405-te#tab-id-4 but it's PDB allow only 35A of ESC. I want to use 50-60A ESCs (motors are 40A each) with this controller. Can I ...
1 vote
1 answer
39 views

How do I store a Li-ion pouch battery without any discharger or balancer?

I have a single-cell 3.7V 900 mAh Li-ion pouch battery and a 7.4V 30c 2s 850Mah Li-ion pouch battery. I want to store these two batteries (the manufacturer suggests I should store the 2s pack at 3.8V)....
0 votes
1 answer
69 views

Can I put lipo and li-ion batteries in series

I have two 3.7 volt 900 mAh LiPo battery, which I connected in series to provide 7.4 volts. But now I want 11.1 volts. Instead of buying another LiPo battery, am I able to put these two LiPo batteries ...
4 votes
0 answers
199 views

How to power a Companion Computer using the Holybro Pixhawk 4 Power Module (PM07)?

As the title says, I would like to power a companion computer (Raspberry Pi 3B in my case) using the PM07 Power Distribution Module: Power Module The Raspberry Pi should be powered via USB cable. ...
5 votes
1 answer
74 views

What battery/motor setup will replace this 1980s vintage glow engine?

I have a sport model (RCM Terrier, balsa/plywood construction covered with Monokote or Econokote stick/shrink film) that I built in 1984, and it has somehow come through multiple moves apparently ...
4 votes
2 answers
413 views

How to limit the power of the brushless motor

I need to limit the power of my brushless motor at 700 Watts. How I can do it? I dont have a fix motor or propeller, for any configuration the max consumed power need to be less or equal 700W. The max ...
4 votes
2 answers
174 views

FC powers RX only if USB is connected?

this is my first UAV build, so please don't bare with me :) I use basically a S500 frame with 4S setup and a flightstack using a Holybro Kakute F7 1.5 FC, connected with a Holybro Tekko32 4in1 ESC ...
3 votes
1 answer
371 views

ESC overload protection at stall current?

I am trying to build, for the first time a drone, on a F330 frame, 30a ESC and 1000KV 2212 motors... But I destroyed 2 ESCs in the process. It literally burned up when the drone falled and the ...