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When the IPhone is laid flat on it's back on an MR arm for motor vibration monitoring, the "z" axis aligns, i.e., is in parallel with the motor rotor. It would seem that this up/down vibration would be eliminated once the prop is installed and pulling in the up direction only. So does this mean...

Notwithstanding the legalities related to flying these commercially in various countries....... from the perspective of the photographer/videographer, just how effective are these for making the hobby self-supporting and/or turning these in to a full time career? I see lot's of wonderful photos...

Seeking help with WKM RTH issue using firmware version 5.20. All functions and led lights worked perfectly for many previous flights until today when all worked correctly except for RTH. When RTH is switch activated, the MR bucks like a bronco will returning to home..... this bucking continues...

FLYS WELL BUT!!! What is the consensus on using 3rd party MR arm extension such as those appearing in the photo below. There can be no airflow through the end of air attachment point. So I suspect there will be a significant loss of thrust on each arm due to the extra airflow restriction. I am...

I have been asking a lot of challenging questions on this forum regarding NAZA, WKM, Assistant Software, Futaba RC systems, s.bus and finally DJI - Ground Control Station..... many questions that some Hobby level dealers might also be challenged with...... hence questions to this forum where...

Has anyone tried to use the following receiver as a replacement for the Futaba R6208SB receiver with Naza or WKM using s.bus? Also will it bind the the Futaba 8FG Super transmitter? http://www.alofthobbies.com/frsky-tfr8sb-8-channel-fasst-receiver-s-bus.html

Anyone been using these radio links and GCS - Ground Control System successfully with a simulator or real RC transmitter or joystick with any success? Can't seem to get my joystick to work with it despite much effort. Seems to require a specific Logitech Extreme 3D Pro...... other and earlier...

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Naza and WKM Assistant software will show their D.bus port connecting to the Futaba Receiver S.bus port! One would expect these bus communication protocols to be be quite diferent and not be compatible or be named the same, e.g., s.bus signifying compatibility. But in any case it works.... What...

I am very eager to get the DJI Ground Control Station software up and running with my new WKM. I bought the LK900 Mhz (DL900) version. And for a price of $520 for the package my expectations are high in view of the price and excellent quality of the other DJI products which I own and fly as...

The following message appears when I first tried to install DJI Ground Control Station using my new LK900 radio system and the provided CD software for my new WKM. Message from webpage: Error! There are 2 possibilities... 1) network is not good, try offline mode... 2) google earth plugin...

Have these DJI LK900 Mhz transceivers been successfully installed on Notebook PCs by anyone else here in North America? I recently purchased the DJI Ground Station c/w LK900 Mhz from a Hobby shop in Mesa, Arizona for my WooKong M GPS (supplied thru Empire RC). Immediately upon connecting the...

The GoPro 4 Black edition has only two ports which are the USB port and the HDMI port. I get the impression the previous GoPro's had a phono jack connection and there is not yet a cable available to connect the GoPro 4 to an FPV system. I suspect, if it is even possible, this would have to be...

I have the Hyperion 1420i-Net3 charger and want to simultaneously charge two 3300 mAH 3S battery packs which I use in parallel for flying. I assume these both can be charged simultaneouly but it seems I have to charge them in series as per the following...

Anyone here in North America using the DJI Ground Station yet?

Can anyone recommend replacement ESCs for my new F550 which is being upgraded to use 6 NTM 35-30 1100kv/380watt motors for more thrust and heavier payloads. Max current for these motors is 32 amps so I could get by with the original 30A opto esc but since I have to buy 6 new ones for the new MR...

There appears to be several fit-for-purpose options for MultiCopter HD video recorders in the light weight category, i.e., under 100 grams. The following appears to indicate the Sony to be a superior choice...... but I haven't found any online aerial videos of both so as to compare accurately...

I find this realtime Google Earth 3D long range capability most intriguing and am considering going with the 900Mhz or 2.4 Ghz datalink. Seems the 900 Mhz datalink would be a good way to go since I am currently usig a Futaba T8FG Super 2.4 Ghz system and need to avoid rfi interference issues...

What might be the best choices for a light weight, compact, High Definition Video Camcorder or still camera with video options for installation on a DJI-550 c/w Naza or WooKong M? 1080p @ 60 fps seems to be necessary as well as image stabilization. I am trying to decide between a Hero GoPro3...

Anyone familiar with this relatively new item from DJI? I am considering it if it is fit-for-purpose for my needs. One possible supplier: http://www.empirerc.com/dji-5-8ghz-video-downlink-transmitter-receiver-p-6744.html Any others selling this item in North America?