Help Selecting Motors for ~ 2500 gram Quad
« on: July 26, 2017, 05:11:07 am »
Hi,

Newbie here...

Need help selecting motors for a DIY drone weighing ~ 2500 grams!

Bought propulsion system before i knew the drone's flight weight and as result the drone is greatly under powered and won't lift off. I can change the ESCs, motors & props (anything up to 12" props) but i can't change the battery from 3S Lipo because of space constraints.

Can anyone recommend a couple of motor/prop configurations capable of lifting ~ 2500 grams quad?

Can whatever motor/prop combo you recommend work w my existing DJI 420S ESCs or will i need to buy new ESCs as well?

Let me know if you need more information. Thanks in advance!

DIY Drone Specs:
 weight ~ 2500 grams
 Battery = 3S Lipo
 Current Propulsion System = DJI E310 w 420S ESCs, 2312 Motors & 9.4 x 5.0 Props
  ESC Signal Frequency = 30 Hz - 450 Hz
  Motor KV = 960 rpm/v
  Max Thrust = 800g/rotor @ 12V
  Takeoff Weight Recommended = 350 g/rotor @ 3S Lipo, 400 g/rotor @ 4S Lipo

karla

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Re: Help Selecting Motors for ~ 2500 gram Quad
« Reply #1 on: July 27, 2017, 04:21:46 am »
Hi,
This helped me a lot.
https://www.ecalc.ch
There are other for free I think...