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Based on personal experience with the NAZA on my Flamewheel F550 and attempt to upgrade motors/props leads without extremely careful rebalancing will result in almost uncontrollable flight and/or fly-aways. In my case installing larger motors led to loss of RC vertical flight control such that...

What is your MR AUW? Heat and shortened flight times are a sign of a loss in system design efficiency and is most often a result of inadequate motor torque. In your case the 900kv motors are designed for speed ahead of torque and larger diameter props need more torque as do heavier MRs. Use...

gomotomoto, At 4.2 volts per cell for a new LiPo the battery is considered charged to full capacity. At 3.7 volts per cell, most of the available capacity has been used up... and electrical loads don't function correctly below a critical low volt threshold. Two examples: When you pick up a...

I thought there was an announcement previously explaining the need to better organize the A2 section(s) such that a new title was implemented, and two sections consolidated into the new less ambiguous title/section. Keep in mind that it if the FC hardware is 100% capable then all that has to...

IMHO I was under the impression that a nacelle is simply a cowling to enable more efficient airflow around a motor. The MR motors can benefit from a bit of extra airflow for cooling as would ESCs mounted in the prop airflow but that also creates more drag. Ducted fans have their efficiency...

Same situation, for the most part I guess whether it is a Droidworx 8 or Cinestar as you previously indicated.

The S800 landing gear, developed for a mid-weight Hex should work but might not be rugged enough for the larger cameras. If your Cinestar is a Hex... go for it. If it is an Octo.... I recommend remaining with the original Cinestar concept of rotatable landing gear that does not retract. The...

Thanks Electro 2.... very good information........4xx Mhz should do the distance with some high dB gain antennas especially a Yagi on the RC Transmitter I would assume. I forgot to take into account that the bandwidth for 2.4Ghz remains narrow but jumps all over the allotted spectrum. And there...

Regardless of a comparative list of features between several options, i.e., Hero3 Black, new Panasonic GH3 mentioned above and the Black Magic Pocket Camera, etc., the true differences can only be compared by watching recorded videos. And the problem with most PCs as well as the Internet is that...

I will assume that you are talking about 2.4Ghz fhss RC systems. Apparently the DJI A2 which has a built-in RC receiver is supposed to be compatible with a range of RC Transmitter such as Futaba and Spectrum. But DJI seems to have a close alignment with Futaba such that the built-in receiver...

This is a big topic.... A Futaba s.bus receiver is now built-in to the FC housing eliminating hardwire and related user configuration issues/errors (so take the cost of a separate RC receiver in to account when comparing WKM versus A2. That built-in receiver allows for more RC Transmitter...

I trust you are keeping the configuration simple and not implementing the built-in DJI gimbal control as this has been known to cause issues with flight control under certain conditions such as switching back and forth between gimbal control and RC remote gains control. There have also be some...

Thanks ZacAttack and Helloman1976.... I've had these issues with both NAZA and WKM and often wondered why this issue persisted. I thought it would be possible for the FC to achieve a bumpless transfer of throttle setpoint between all three modes but there is more to it than that. Summary...

DESST - A DJI term related to RC radio technology but I have no idea what it stands for!!! Maybe someone reading this will know and/or id the source for this new acronym!

That is good information sledge57, BTW - you can now purchase a kevlar/carbon fiber fabric weaved as plain or twill..... twill works best for complex curves and one or more MR manufacturers offer an Octocopter made from this material. The kevlar adds weight but resolves the z- axis weakness...

As a minimum you would need 800mm motor arms such as these.... http://www.rctimer.com/index.php?gOo=goodspic.dwt&goodsid=809 But then you would need a custom designed hub to allow for 8 arms.

Seems like one could make a custom package easily enough by building the RC transmitter case using a 3D printer. The 3D printer technology should help to push RC xmitter development c/w FPV much harder now.

Whereas in the case of the WKM one needs to be very cautious regarding upgrading to the latest firmware so as to avoid risking an MR crash, it seems the situation is the exact opposite with the A2, i.e., critical bugs in earlier fw versions are best resolved by jumping forward to the current new...

I have been hoping to buy one as well...... but also have heard that it is best used for more precise balancing after conventional prop balancing has already been done. At least it does it by proven scientific methods versus the crude use of IPhone iseisomometer method that can get a bit...

You have made me curious. Looking forward to seeing iOSD results.