causalloop
lvl.1
Flight distance : 75558 ft
United States
Offline
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Guess I'll drop my issue in here as well since this seems to be a common problem with a plethora of potential symptoms...
*Most* of the time, the Gimbal is fine, but I've been able to reproduce an issue with my M2P where if I'm descending from some altitude and keep the Gimbal pointed straight down* - which seems like a reasonable thing to do? - after a short while (10-15 seconds), the gimbal will flip back up to the horizon and start vibrating a bunch. I haven't done a significant amount of testing, but it seems like if I keep trying to get it to do what I want while in flight, I get an overload, but whether I'm trying or not, after 5-10 seconds, it'll just return to normal for no apparent reason and the overload will go away.
*Doesn't need to be a straight descent, thats just the easiest way to reproduce it.
I don't know a lot about how gimbals work from a mechanism standpoint, but I'm guessing there's some very softly wound spring in there to act as a dampener (in addition to the rubber mounts). If I'm right, in my case, the spring wants to keep the camera pointed in the direction that allows for the spring to be unwound/unloaded which I think for the most part is lined up with the "forward" pointing direction (and why it returns to that position if you touch it when its off). This would then mean that the gimbal motor is constantly working against that spring when being 'pointed' at something other than nothing (dead zero). At a guess, this constant effort is causing some sort of heat build up which it can't dissipate fast enough and is effectively 'loosing control', which is why in my case it flips back up to center and while trying to regain control of it is sitting there vibrating like when your arms shake if you're doing planks or pushups - or are over-taxing some stabilizing muscle that doesn't get used often.
Speculation without complete understanding of how it works, but it would stand to reason - except that it was bloody cold out on at least one of the occasions (for California, thats pretty much anything under 50 *F) I don't even think I heard the internal fan come on when it was sitting idling without the props moving while I was fiddling with settings.
Now, to be fair, I have crashed it several times while getting used to it and its got some scuff marks on it, and I've definitely destroyed a set of props (not all at once!). So, I accept that I could have caused something delicate to malfunction pretty easily. But, if its not 'broken', thats either a defect or a design flaw...
Short story long - and into a question - has anyone had issues with pointing the camera straight down for long-ish periods of time? (sorry for rambling on :-P) |
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