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Agreed, Scott - I bought one of those "Super Hungry" PDBs from HobbyKing - never intended to fit it, just curious. I pulled it apart, had a good laugh then chucked the whole thing in the bin ;)

Yep - I agreed that it was an extreme test - but it did "fail". As you say, hardly surprising considering what you were doing. But I'm sure I'm not the only one here waiting to see just how good the G-Lock system really is - nobody's expecting 100% perfection, just wanting to know (particularly...

Errmmm... "yes" and "for what?" :)

Sorry to be a party-pooper but I've been doing some freeze-frame and measurement - at about 1:35 the horizon is out by about 3 degrees. As you say - this was a very extreme test but... my thinking is that if it loses the horizon whilst hovering stationery (i.e. the only lateral acceleration...

The 7kg limit applies only to recreational flying over 400ft, doesn't it? And, AFAIK it is "7kg without fuel" which, I presume, means without batteries. Or have I got that all wrong? So hard to keep up ;)

Is it my imagination or did it lose the horizon on that fast pan (around 1:40)?

I wasn't having a dig at you, Kloner - you have vastly more flight experience than me and I respect that 100%. But science is science ;). The aviation and military manufacturing industries have learned (the hard way) how to make connections that stay connected under the most extreme conditions -...

If you want to dispute or develop any of the specifics of what I've written then please go ahead - I'll be happy to continue any useful conversation. But I'm not interested in a dic*-swinging contest :)

http://www.red.com/store/cameras :)

Not for the first time, I disagree with you, bart :). On the contrary, this thread points up one of the distinct issues affecting the multirotor and gimbal world: the general absence of proper engineering principles and techniques in the design and construction of airframes and gimbals. In fact...

Certainly when you get up to the weight of a Red plus glass then your requirement for torque goes up and so does the need for rigidity of the total gimbal structure ("stiffness" in engineering terms, which includes bearing play and other subtle factors). Just looking at the construction (never...

A (properly) crimped connection has compressed the strands together so hard that they have effectively "fused" into a single, solid bundle. As such the connection is "optimal", electrically and mechanically. It is often believed that "solder is the best conductor". In reality, solder is a worse...

Y'all seem to be missing the point - the FAA is not going to win this one - for the same reasons they lost the Trappy case (the same lawyer has taken up this new case, by the look of it). So another embarrassing defeat for the FAA to look forward to :)

I'm amazed! It's a simple, basic "survive and thrive" strategy NOT to repeat unsuccessful strategies :)

Have you read this recent thread? http://www.multirotorforums.com/showthread.php?18980-Gimba-pitch-jitter-problems Any parallels?

I'm no electronics engineer, but I do know that what's happening inside those ESCs is the electrical equivalent of "hell on earth" - the current is being "chopped" into a PWM square wave to feed the 3 phases of the motor. This chopping produces massive back-EMF spikes/ripples on the power input...

Sorry but I don't think it was the Jeti ESC that let you down - I think you abused it and it gave up as a result, i.e. any other brand of ESC would have succumbed too. From the images, I see that you had the ESC stuffed (quite brutally) into the fuselage space rather than mounted on the arms...

Yes - I think you've got a very good approach there - and Vulcan seems like a sound choice: not seen/owned one myself but I've heard good things and I like the modular concept. Personally I'd go quad first then X8 later - cheaper starting point and adding the extra four motors would be an easier...

Not really to answer your question - just an observation: You are aiming at paid photographic work (video and stills, I would presume). So you first task must be to select the right camera(s) - that's what people will be paying you for, effectively: the output of the camera. Once you've decided...

Then it could be a vibration/resonance issue - maybe the wind element is "the last straw". Try re-doing the mounting with some damping material in between the frame and the gimbal - some foam or some rubber - it's not likely to solve the problem, just need to see if it changes the behaviour in...