Ewen Rankin
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Managed 45mins but with some 'issues' - Any ideas?

Started this discussion. Last reply by Rob_Lefebvre Jul 9, 2014. 6 Replies

Hi AllSo, I managed to break 45 mins flight time today with a 'normal' set up including GOPro & Brushless gimbal.Tarot Iron Man Quad frame (600mm)Turnigy 390KV Motors - 4 off40Amp Hobby King ESCs…Continue

One Hour Flight Times - Specs

Started this discussion. Last reply by Sergey Oct 5, 2017. 46 Replies

Hi AllI would like to have a Quadcopter that would carry a GoPro (preferably with a brushless gimbal) and try and get close to the hour mark in flight time.Does anyone have an airframe/spec that get…Continue

Tags: hour, long, one, time, Multirotor

Spektrum DX6i Known Elevator issue

Started this discussion. Last reply by Jet Valmonte Nov 10, 2016. 3 Replies

Hi ChapsI recently asked for help for screwy behaviour of the APM board, but after some digging, it turns out that it was the Spektrum DX6i Transmitter which was causing all the issues.I was getting…Continue

Tags: Transmitter, DX6i, Spektrum

Quads not flown for a year now. ESC issues and severe instability - Please Help

Started this discussion. Last reply by Ewen Rankin Jun 16, 2014. 5 Replies

Hey EveryoneI'm hoping that you can help.I own several quads/hexcopters and in July of last year, they ALL suddenly stopped flying stably.I'd flown them for about a year and had great result with…Continue

 

Ewen Rankin's Page

Latest Activity

Sergey replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"@Martin GW I made a pretty good setup description for this youtube video, just type it here: My own KroozX combo flightcontroller with OSD and proper Blheli_S ESCs https://www.flickr.com/photos/1503764... Custom made full carbon fiber frame…"
Oct 5, 2017
Luc Maximilien replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"Martin, the setup is nothing special , 16" props, 440 Kv motors , custom frame, high density Lipo battery. It is the way the multirotor is build that makes the difference and allow  to reach 11 - 12 gr / Watt efficiency. The…"
Oct 4, 2017
Martin GW replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"@Luc and @Sergey please share your setups to understand how you achieved those flight times. Thanks! happy flying."
Oct 4, 2017
Luc Maximilien replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"I build a quad for a customer two years ago that flies 45 - 50 minutes 1700 gr AUW  , 250 grams of payload and standard Lipo batteries. It has been used by dozen of hours of flight for aerial mapping without any problem. Guess that with recent…"
Oct 2, 2017
Sergey replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"This is what I achieved regarding to the topic:"
Sep 30, 2017
Shaun Bell replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"It's a tricky thing getting good flight times and stability.  They definitely don't play well together.  My 1300mm X8 is a handful to get over 30min.  Big props lead to all kinds of problems."
Sep 29, 2017
Shaun Bell replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"Or you could buy this one : )"
Sep 29, 2017
Michael replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"Sorry I hijacked the thread I was just on a roll thinking how to increase flight times as well."
Sep 29, 2017
Michael replied to Ewen Rankin's discussion One Hour Flight Times - Specs
"Did you say X6, what exactly is an X6?   I have a few hexcopters, my main ones are 800mm with 13" Props & 380KV and a Tarot960 with 17" props 320KV, I am getting limited flight time from both of these with 2x6000MAh 6s…"
Sep 29, 2017

Profile Information

About Me:
Currently working to create bespoke configurations for aerial filming which solve some of the issues I encounter with off the shelf set ups
Please tell us a bit about your UAV interest
Photography, Video & Photography
Hometown:
Birmingham UK

Ewen Rankin's Blog

Indoor Quad - The Next Steps?

Posted on August 11, 2013 at 12:14am 28 Comments

Hey Everyone

I've been messing with making a quad to carry a GoPro for indoor commercial use. I wanted one that was not necessarily 'finger safe' but 'impact safe' and after several iterations including a 'Bucket Copter' (Yep made out of kids toy buckets - Flew for 15 seconds then never stayed up again) I hit on the idea of using 8" PC Fan Guards mounted on Poly…

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Season Two of the Trust Time Trial (T3) Contest 
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