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I saw this and discovered that my GPS/Compass was rotating on its mount during flight. Personally, I am not a fan of mounting that component on the end of stick. I don’t think it is very secure nor is it very crash worthy. A new GPS \Compass will run you $240. Been there, done that, not...

Hi Brand new in the box, hasn’t even been out of the shipping box it came in! I’d like to get what I paid for it, $1100 and it’s all yours! Don

I want to make sure I understand what this fix is. Are you re-soldering the motor wires into the existing connectors to ESC’s? Or are you soldering the motor wires (without the connectors) directly into the ESC's?

Hi PaNt, Balance motors! Really! How? I mean I haven't looked around to find how this can done yet but in all the lurking I've done, I haven't stumbled upon it anywhere... Thanks

Here is what has worked for me. You have to be in GPS mode at all times. This will not function in Attit. and Manual modes. Set the POI by toggling between Course Lock and POI 4 to 6 times, I always end the switching in course lock. The LED will flash a series of quick green flashes that...

Hi Guys, I am looking for ways to increase the reliability of my 550, or any multi for that matter. What have you done to get the best performance out of your hardware? Removing “Pilot Error” from the discussion, what have you found to help prevent crashes? I am aware of few easy things that...

Hi Guys, Any thoughts about what happen here? http://youtu.be/60qAo__-fYA The video is just the last 30 seconds or so of a 5 minute flight. The crash occurred in Atti mode while using course lock. It departed levelish, forward flight and rolled sharply to the left just before the crash. I...

Ah, nevermind.... I found a bad solder connection in the UBEC harness that I put together.

Hi sT, I have both the upper and lower GPS mounts if this other deal falls though. let me know... Don

Has anyone encountered issues getting the gimbal to function with the WKM? I have a F550 with a photohigher CX-113 camera mount installed. When I power up the F550, about 50% of the time, the gimbal (roll or pitch) is does not come “alive”. I have also had instances where the roll servo come...

I am still a bit of NOOB myself but here’s what I would do. On the compass calibration, make sure that you can get into manual mode. When you are switching the mode control, end in manual mode, not Attitude or GPS. Works every time for me. The other problem, holding an altitude, I am less...

I came up with another solution to the nut problem. I am using the Graupner props on DJI motors and noticed that I couldn't get one tighten down enough not to spin. I took the DJI acorn nut and countersunk the threaded hole just bit, maybe a 1/32 of an inch. The countersinking allowed me turn...

Hi Guys, just a quick update. I tried the compass calibration routine again (I was bored and really want to go fly) and it worked! Solid white light at the end! Sensing a change in fortune, I took the 550 outside to see if the GPS would perform any better. No change on the GPS front. I...

Hi Guys, How much abuse can the GPS/Compass sensor take and still function? Last week I had a NASCAR style crash from about 80 feet up caused by an unintended shift into crash (manual) mode. A mistake I will not make again. I had the GoPro hard mounted to top plate at the time. The 550...

Hi Guys, I have been lurking and learning for the past few months. I noticed that I wasn’t the only guy who had trouble figuring out the COG on my 550 that I have been flying. Here is what I have done. Being a private pilot, I know how to find the CG of the Cessna that fly so I adapted...