Engines/Motors/Props (311)

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Quadcopter Thrust and Current Calculation

Hey, I'm a newbie. Im trying to build a quadcopter. I'm using: 2700kv Brusless DC outrunner motor(Idle current: 1.8A Load current: 18.5A …

Started by Ganesh Ram

4 on Monday
Reply by Ganesh Ram

Motor and prop size for photo/video hex

Good morning.  New to multi-rotor RC here.  I spent literally the entire weekend reading and coming up with a design for my first build.  I…

Started by Pedals2Paddles

2 on Sunday
Reply by Pedals2Paddles

Compare 4114-320KV Turnigy Multistar with Tarot 4114-320KV Motors

Looking at motors for a hexa build based on the ST800 frame which is a lot like a Tarot T810. In looking around, I have narrowed the list t…

Started by Ken Gaines

0 on Saturday

Old yellow 3DR 20a ESCs?

Anyone know where I might find an old yellow 20amp ESC sold by 3DR? Looks like the new ones are all SimonK flashed

Started by Joey

0 Apr 9

What is the best way to get all of my motors straight or "true".

Hello, I built a quadcopter using square tube aluminum. I got the frame as even as I could by heating and bending it. When I placed the mo…

Started by Brent Johnson

0 Apr 9

O.S. brushless motor conflicting specs.

I am really hoping to run these with a 30 amp esc. The chart in red shows a max of 30 amps for 5 seconds, but the chart in blue shows way o…

Started by Jason Dean

0 Apr 7

3DR X8 mods

Hi there, I'm interested in moving from DJI over to a X8 & was wondering what the most common mods were. Can you increase motors, batt…

Started by Todd

3 Apr 1
Reply by Todd

Motor Master 5000 - rpm, thrust, power, etc. meter and tester

OK, so I finally got sick of testing my motors/esc/props on make-shift test stands. I decided to make something that will be as close to fi…

Started by Misa Rakic

26 Mar 20
Reply by Misa Rakic

Choosing the best motor: power consumption vs. total airframe weight

I am planning to build my first UAV model for phptography based on Skywalker airframe from bevrc: http://www.bevrc.com/latest-2014-version-

Started by Piotr

0 Mar 19

how do I select the optimized wire gauge to connect motors for my Octa V copter ?

Hi, (not too sure if this post is in the right category. If not, I hope a moderator can point me in the right direction).   I am building a…

Started by Jean-Philippe

3 Mar 13
Reply by Graham


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