I'm building my first quadcopter, and these are the components I intend to buy:

  1. Motor: EMAX BL2212 1400 KV Brushless Outrunner Motor around 0.9 kg thrust:
  2. Flight Controller: Multiwii V2.5 Flight Controller
  3. Propellers: I don't know which one to get: fut-electronics propellers collection
  4. GPS: Skylab UART GPS Module SKM58 (Small Form Factor)
  5. Radio Communication: Radio Telemetry 915 Mhz (3DR), is there an affordable alternative to buying a radio telemetry maybe using Wi-Fi?
  6. ESCs: 4x1 ESC (4x25A) - Speed Controller for Quadcopter
  7. Battery: I don't know which one to choose

My questions are:

  • Are the components compatible?
  • What battery to choose?
  • If I'm not planning to do GPS planned missions, would the GPS be important for anything else?

By the way I intend to attach a camera or a smart-phone to it for video capturing I think it is about an extra 200 grams.

  • 4
    There are online tools that can help to figure out where to start. I like ecalc. It should help you figure out how to match these parts. – Octopus Aug 26 '15 at 22:11
  • Seems good but a few points to note: The thrust rating is generally specified as Thrust@PropSize. A datasheet for the same spec motor here tells you it's safe with a 10*45 prop. And, as pointed in the answer, you need a 5 Channel RC Tx and Rx for testing purposes. – Kartik Madhira Jun 20 '17 at 0:57

The website that you have used seems to be down, however looking at the specs announced on banggood, it looks compatible. You would need some 8*4 props and a 3S battery, I'd advise getting a 3000mAh one that can handle full power (200W per motor so 800W total for a 12V*3Ah battery=>36Wh so that's 800/36=22C) so a 3S 3000mAh 25C constant LiPo would be perfect to achieve the performance needed Also for the transmitter and the receiver what are you going to use, because telemetry won't pilot the quadcopter Btw, telemetry won't be of any use for your first quadcopter, same goes for the GPS, you'll first pilot in stabilized and then accro and if you are willing to do some stabilized photography and video, you can add a GPS for the quad to fly by GPS (that means that it will move geographically according to your commands and it's GPS position) Also if you are kinda new on quadcopters I'd advise you to get a KK2.1.5 as a flight controller to begin with, the good thing about it is that you can change your PID, channel settings on the go, though it doesn't support GPS and a lot of other features that multiwii's have

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