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If you have a beam, fixed on the one side, and loaded on the other side, it is important how much load you have, but also (due to lever rule) how long the beam is. On a X8 the arms have typically 1/2 the length than on a flat octo (that is physics double load and half the length does cancel...

Typically arms of a X8 are much shorter than on a flat octo. The shorter the arms the less material needed on them. The weight of the motors/props on the arms is not counting, since the "lift themselves", when the copter is in the air, only the vibrations and torque caused by the motors are a...

Here a video from yesterdays flight. Since I crashed my primary FPV-bird this is the "secondary" with rc-timer gimbal (alexmos with ancient FW) and GoPro Hero2. With new batteries GensAce 4S12500 (1000gr) I got a 38min flight, here some scenes: best regards Ferdinand

@airship I like it. Here the last flight (at least for some time) of the Klappfixx with the 14" Graupner: 30km/h winds (on average) best regards Ferdinand

@Akermay If it is simple to mount or not is different from person to person, but this is not a kit, the S800 landing legs with secraft V1 retracts have been "forced" to fit. If a video would help, who knows, there has been a world before all the "how to ..." videos. From my point of view, the...

You can put retracts on any frame ... best regards Ferdinand

A lot of people were discussing the "zenmuse rebalance" topic, you are just more that a year late on that topic. If you start to rebalance yourself you are responsible, nobody will tell you that everything is fine and there is nothing you can damage, since that is not the case for everybody. It...

That is what every "professional videographer" or someone coming from that side thinks, but everyone coming from the multicopter-side strongly doubts. In the end there was a crash, and "you are the pilot, your are responsible". If you assume, if you know of possible bugs (in whatever component)...

First of all I want to see if I can extend my flight-time record (95min), which should be possible, but not with that frame and ESCs which are much too heavy. For heavy lifting this is just a prototype, I am planning an X8 with 30mm Carbon tubes for that which is towards 8kg payload for 20-30min...

if you mount everything on a frame it looks like this: best regards Ferdinand

Hello Currently I am doing a build of a copter based on the Tiger-Motors U8 with 100KV and the Tiger-Motors 28x9,2 props. So I did a first run of motor and prop on a test bench and find the results quite nice: Unfortunately the ESC is quite heavy (80gr) compared to the other components (motors...

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If you want to use different viewing angles you can change the lenses on the Nex5 (e.g. 24mm, 50mm) and do this with a Zenmuse, but you have to rebalance after each new lens, your you have to balance for the most heavy lens and balance for the others with trim weights on the lenses. If you...

pm´ed you a potential source. Basically most of "guru"-build antennas are better than manufactured ones, so you have to find a "guru", that does both or two gurus (one for LHCP, one for RHCP). best regards Ferdinand

@MombasaFlash You can just use the standard X8 motor mixer, just ignore the "top" and the "bottom" only use the motor-ports accorting to their arm and their rotation direction (CW, CCW). On all my X8 (using the X8 mixer) I have mixed props on top and bottom. best regards Ferdinand

The position and the turning direction have to match. (if top or bottom is not important). best regards Ferdinand

if you have a quad (and if possible) rotate the quad 90° then the motors turn correct again. If it is a hex, rotate 60°. On a Koax it is not important since you can (should) drop the restriction of "all props in one plane turn in the same direction", you just connect the motors on the correct...

If you are a pro, or want to become a pro you should act as a pro, so you will have to do what "they" tell you, and you have to learn the skills you need to meet "their" demands. If you are an artist, you will have no choice as to do what your heart tells you to do, and you will have to learn...

To be honest, I find this a really clever strategy, since you can just drop a product line (with support and development) and focus completely on the new line, the same is valid for the Naza vs Naza V2. Even they can sell of their stock (WKM-IOSD-BT-LED-Waypoint-bundle, Naza Light) without any...

@hifidiaries Did you mount the arms correctly? * to * and o to o? Did you disassemble the motors from the arms and possibly mounted some brackets (between motors and arms) on the wrong side? Are some of your arms visibly twisted? After flight are some motors noticeable warmer (hotter) than...