burlbark said:
Its an absolute problem with no speculation occurring. The changes that FLynfrank is suggesting is a piece of ziptie. This keeps the plug from wiggling and eventually wearing out. All the other terminals are either gooped in place or have a snug interference fit. If you had your son wiggle the connector for 5-10 minutes there is no possible way that he could have cycled it through the amount of high vibrations that are encountered during run time. The vibrations could be monitored and by my best guess you would see 80-200hz. Thats roughly the drone sound that some fuselages create at idle or with slight throttle.
This is called cyclic fatigue and trying look for an intermittent break in GPS lock by wiggling a healthy plug is only part of the problem solving. Please refer to the below thread. This fix below along with FLynfranks mod will keep the GPS solid.
Jeremy James
viewtopic.php?f=27&t=33453
Unfortunately, your conclusion lacks any scientific validation, it is pure speculation and theory. A lot like your conclusion on the "undersized wires" that lead to the ESC problem on 3.0 quads. Just because you and a couple other people strongly believe something is true, doesn't make it true. One thing I have learned from these forums is that there are a ton of "experts" who claim to have fixes for many things that DJI just can't seem to fix, but usually it's a bunch of guesswork. Nothing personal.
BTW, why don't ALL of the near identical connectors fail that are present in the V2P+ if your theory is valid? Only a couple of about 8 have a connection that is secured by silicone. I can wiggle the others just as easily as I can the GPS plug. The internal male and female metal connections on those plugs are IDENTICAL to the GPS plug.
I seriously doubt any flight not involving a crash is going to put the kind of stress on that connector that I did during my test. BTW, we did the test with the motors running, at full throttle for much of the time. We simulated vibrations with a tool when we did it without throttle.