GoPro fun in the park, quadcopter with ACv2.5

Had a little fun flying in a local park here in Johannesburg, South Africa. Used a GoPro Hero on my own design anti-vibration mount and my quad running the newly released v2.5 firmware. Click on the photo to go to the youtube video.

Quad specs:


KDA20-22L motors from Hobbyking, 11x4.7 APC SF props

2 x Super Simple 25-30A ESC's from Hobbyking, two more on the way

2 x Hexfet 25A ESC's from Hobbyking (2 of 4 were DOA)

3S 3000mAh Turnigy 25C

X525 frame


Views: 1189

Comment by Douglas D. on March 20, 2012 at 7:01am

Great Flying. I like the setup,looks to be inexpensive. Question- are you using 2 props per motor? I noticed it had the double shafts (in HK add.)but could not tell if there was one or two props in the video. Keep up the great work. 

Comment by Graham Dyer on March 20, 2012 at 7:09am

Thanks Douglas, just one prop per motor, but interesting idea, the motor shaft exends out the motor but I've used the supplied adapter on the other side to connect the props.

Comment by Douglas D. on March 20, 2012 at 7:23am

Im reading the reviews on them motors(kda20-22l)...have you had any trouble?? If you decide to try the two prop thing let me know how it goes:) If not in about a month I should have something up on that concept. Going to have to prop down I'm sure...we will see on the amp draw:) have a good day and thanx for being "Johnny on the Spot" with the reply.

Comment by Graham Dyer on March 20, 2012 at 8:13am

No trouble with the KDA's so far, most others were out of stock at HK when I bought. Tried 3 blade props (see my other blog posts) but they were less efficient than the 2 bladers, so I don't think 2 props per motor would achieve much. Apparently 1 blade is the most efficient (with a counter-weight).

Comment by Jonathan M on March 20, 2012 at 10:17am

Any pictures of the camera mount?

Comment by Graham Dyer on March 20, 2012 at 12:26pm

Hope that makes sense Jonathan, simple and rough but it works great, basically a 10x10mm balsa beam with the camera attached below it, pendulum-like. The dowel stick is a brace to stop the beam (and camera) from rotating, all three contact points mounted on rings of soft car door rubber seal.


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