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Well, it sounds like the more recent DJI code is NOT doing something that it used to do, e.g. they've properly limited an error term in the mathematics. In other words, they've corrected a bug. This is quite different from "adaptive coding", the ability to change the control strategy to cope...

When enough people complain to Graupner that they're not there and Graupner sends the relevant info to eCalc ;)

Noooooo! that would be a step backwards! IMHO those Gryphon PDBs (and many others) look cute but have a fundamental flaw - bullet connectors! One of those little suckers will work itself loose and disconnect in flight! On props, I firmly believe that in a few years we'll all be flying folding...

None of the controllers (that I know of) have any mathematics or algorithms or adaptive code of any sort to cope with a motor-out situation. In fact, the controller remains completely unaware that anything has changed - it just keeps issuing throttle commands to the motors as if they were all...

Yep - can't argue with that! Now all we need is for all manufacturers (particularly motors and props) to be "on the ball" about sending their product data to eCalc so it can be included. And a coax capability would be cool too - even if it has to have a separate field for "efficiency loss" on...

:upset: you can't just tease us like that - more detail on this "Phobotix"?

Built by Jean-Luc Fornier, operated by http://www.xd-motion.com/ :)

They are a standard piece of kit for machining/milling/turning - look in any machine shop supplier site. The plunger type is called a "dial gauge" and the lever type a "dial test indicator". There are subtle differences in the way you use each type. Basically a "dial gauge" is the one you'd use...

:) Could we keep this thread in English so we can all follow along please?

Tiger 16x5.4 looks like a clear winner to me:

It would certainly help to shroud the entire gimbal so that wind pressure cannot act on any of the moving parts. You'd still have the problem of lateral accelerations exerting torque which needs to be balanced by the motors (which is why "smooth flying" is required). You can over-spec your...

As lovely as the scenery is in Kloner's video, there is evidence of "unwanted movement" - for example at 3.40 onwards, look carefully at the top left corner - there's a little vertical "dip" just as the horizon touches the top of the frame. Also some nasty shaking in the last few seconds but I...

Because belt drive has backlash in the same way that gears do. A few specific designs of timing belts claim "low backlash" but it's still there. Plus you can add hysteresis - the effect of slight elasticity in the belt material. It's also difficult to achieve high reduction ratios with belt...

Small point - but I had this phenomenon - I disengaged the ratchet on the throttle (simple job on Futaba 8FG - YMMV) and now I can "trim it" to stay at my chosen altitude without constant "1-click" corrections.

Worrying problem - and one that obviously no amount of like-for-like component replacement will solve. I'd follow Tiger's recommendation and stick with their own non-SimonK ESC until you can be 100% sure ;) Equally concerning was the way that guy's octo just folded up completely on what I'd...