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    High pitched whine from brushless gimbal

    Guys, brilliant advice - it worked a treat! However, the first flight has thrown up another problem...I'm getting "flutter" from the vibration mount "balls"! I'll upload a youtube in a minute to demonstrate. But you can see the entire gimbal flutter on it's mounts in any wind. Can you get more...
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    Yaw input and rapid decent induces flipping (Motor? Naza?) CRASH VIDEOS INSIDE

    That droning sound is a motor out of balance or with damaged bearings, possibly on route to complete failure.
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    High pitched whine from brushless gimbal

    Hi all, Bit of a strange one this - eventually got my gimbal to stabilize without vibrating or spazzing out (mostly). Except it seems to be making a high pitched whine in operation - it's constant, whether its at rest or if I shake it about. It's an alexmos powering 2 x tmotor 2208's from 3S...
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    ARMBCG Alexmos controller issues

    What settings did you go for in the end? i've got 2.0rc3, running 2 x t-motor 2208's...and mine just shakes all the time with little or no stabilisation.
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    Project Platypus

    Lol - yeah...I purposely kept it as vague as possible for the moment! Just thought I'd build some suspense over the coming weeks/months as I put this together. :nevreness: Signature *might* pique your interest. Re> Gryphon boards...this is my first. And it won't be my last! Lovely bit of kit.
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    Project Platypus

    Project "platypus" begins!
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    3.7V or 80% for LiPos

    I use spektrum telemetry set to 10v (3S) under load. This is about 10.8 at rest - about 3.6v per cell. I try and get back to home early on, so I'm normally landing at the first beep - which ends up being 3.7 per cell.
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    The best brushless motors (22xx)

    Hi all, Well, I've got a couple of brushless gimbals here, and an alexmos to run them. Except...I have no motors. ive been waiting for the Tmotor 2208's, but there's no sign of them ever coming to market, never mind in my timeframe (I need to have it running by 1st week August). So which...
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    "non-square" quads - ok or not ok?

    I've seen a few "X" airframes around that appear to have a wider space between the front props than the rear. (eg: steadidrone) This seems strange to me, as ideally you'd want a totally square prop layout so you can place the FC right in the centre for more predictable handling. I understand...
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    ECalc Experts??

    Actually, I found ecalc to be pretty close to spot on for both my quads. The only thing missing IMO is more prop options to reflect new CF props (eg: t-motor, xoar etc), but it's small beer as long you can spec size and pitch. Would also be good to get a graph which shows performance for all of...
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    ECalc Experts??

    Your gram per xxxx. Way too high. Even a 12,000mAh 6S doesn't exceed 280g. You've got 580. clue is the battery weight, bottom left. 4.7kg! For 2 x 6000 4s it should be well under 2kg.
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    SunnySky Motors in a Y6 looking for some quick answers...

    Aren't Sunnysky's a rebrand of t-motor? Or is it the other way round?
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    Alpha/Beta frame testers - what's the normal protocol?

    Hi all, I'm currently prototyping a new quad frame design, with the aim of commercial sales for xmas 2013. I will have around 4 "alpha" frames in July, with plans for 4 "beta" frames in September, with sales starting in December. I will be using the "master" as my own testbed for...
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    Learning to fly a quad - getting there slowly. And experience.

    Welcome fellow newb! I think it's important to remember that *everyone* bounces it on the floor and gets their orientation mixed up when starting. I've been flying 3 months now, and am slowly getting better, and beginning to realise that it helps to always have throttle on, and try to avoid...
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    What Prop 'brand' do you use?

    Holy ****. Talk about rubbish management at Graupners - to have full order books, yet still go insolvent. One certainly hopes the management were booted. Suddenly the stock issues some are reporting make sense. Re: Brands. I do like my T-motor carbon props, but having a real hard time getting...
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    Removable arm plug system Cinestar 6/8 frame's

    Oh, I want these! Will the come with the clamps as well? Ones in the shop are only 20mm btw.
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    Client demo flight with S800 and Zenmuse

    Excellent vibe control and stabilisation. Servo gimbal or brushless?
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    Carbon CNC services

    Hi all, I'm going to be building my own frame shortly, once i finalise the design, and will need some CNC/water jet cutting of CF plate and tubes. Are there any recommendation for suppliers of such services? Where is the best place to get this done? I'd prefer to be "patriotic" (ie UK, EU or...
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