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I wonder now that I am using the damping kit and I get much less vibration on the landing skid why not mounting GPS somewhere on the landing gear to avoid vibration? wouldn't it be better. I say this because I could obviously see that the GPS stick is vibrating a lot and maybe that was the cause...

Thank you I'll try to re-calibrate compass in a different place.

Thank you ProPilotWannaBe. IMU is located on the new stand which comes with the damping kit. It is 20 cm behind the COG set to x=-20 in the software, right on the y axis set to y=0 cm in the software and 2 cm above the COG set to z=-2 on the software. one thing I forgot to tell about...

Update: I did the test fly today. S800, Retracts, Evo arms, IMU v2+ damping kit, BT LED, Z15, Nex7, FPV cam + immersionrc videolink, DGI video link for zen, IOSD, maxamps 10900mah, firmware 5.24, DJI suggested gains => Total weight 7200g. A little wind (I don’t know how much). Lift up in GPS...

yes I know :). Imagine I have replaced and soldered S800 ESCs two times!!!

Just a little update. I am not good at soldering. I did not succeed to solder wires to does tiny little circuit lanes so I flattened a gold connector and soldered it to different parts. Then I checked the connection by voltmeter and it indicated that the circuit is connected. I found that this...

Thank you Chris and ProPilotWannaBe. I was not able to perform the soldering today. I am going to follow the advice of Chris reg. the repair procedure and let you know about the result. I have also strong feeling that the plate is single layer. I did try to scratch a bit deeper around the hole...

God bless you Chris! Thank you very much. That old top-plate on your workshop along with your effort and goodwill made me very happy. So I am going to solder lane 1 and 2 and 3 (referring to the second picture on my previous post) together and test the system. Would it be ok to solder them using...

Thanks to everyone giving advice on this. As mentioned I scatched the upper side of the top plate and the circuit was not there. Then I disassembled the bottom plate. The picture bellow shows the hole from the back side of the top plate. I started to scratch around the hole with a hobby knife...

Thank you Chris I just wish I had read your post earlier. I started to scratch the upper side of the pate. I scratched and scratched and all I could see was a flat monolith (if this is the correct word) copper plate. Now I am going to remove the plate and start scratching the bottom side. I’ll...

Since motors still work I can imagine that a little part of a connection to one or two ESCs is damaged by the hole. Since the connection is smaller now it is possible that in full or half throttle it becomes warm. So either it takes fire or it will be disconnected by heat and I lose one or may...

Thank you propilot. Do you mean that I have to do some soldering if I want to change only the top plate? Ohh no… I know I can’t do this. I thought it is only the matter of unscrewing the old plate and screwing the new plate in place. I think my S800 is cursed! Is there any way to escape...

I know it is very stupid. I got one of these. http://www.electriflite.co.uk/store17/index.php/mount-gps.html Then I realized that the screw does not fit to any of the wholes of S800 top board. One moment I totally forgot that the top board is somehow a circuit board (distributing power to ESCs)...

pm sent. Thanks

Hi nigelbrogan would you upload some pics to show how you mounted zenmuse h3-2d on s800?

I'll use the 10cm stick too. Thank you.

Thank you Chris. What height would you recommend for mounting GPS on a S800? I have heard that it should be higher than props. Is that so?

I wonder if mounting GPS in a longer stick would be any good. I have mounted the GPS on 26cm CF stick (it is foldable) but I don’t dare to fly and test it. I just thought maybe it is good to have the GPS as high as possible (away from the rest of equipment). Any advice? Honestly I don’t...

I guess a2m is really the best suited brand name for DJI autopilot systems after all!

My problem was solved by replacing the PMU. Just to mention my funny story once more. On a winter day in 2011 I bought a so called DJI professional Photography MR (S800) along with a pack of WKM. This pack was supposed to handle a 7kg loaded MR following instruction manual and the product...