I am presently designing a x configuration hexacopter which I want to be a really precise flying bird, so I can easily position it at ideally +/- 1 inch( or better) over a target at 300 ft altitude. of course I do not expect to meet this level of precision in windy condition.

I base my design on the following hardware and would really like your experienced comments on the equiment I plan to use so your experience may help me avoid pitfall and dead end issues:

- F550 frame

- EMAX 920KV motors,

- SimonK 30 A ESC

- Pixhawk PX 4 controller, 

- Ublox N8M GPS+GLONASS+Galileo+magnetometer

- 3DR mini OSD Telemetry Tx/Rx

- Px4 Pixflow (optical and sonar) ( was looking at Lidar but cost may be an issue unless you convince me...LOL)

Taranis X9D+  with X8R 

-all cables will be shielded to ground and housed in Nylon braided loom.

- PDB board wlll be magnetically isolated with Mu-Metal shield so will be the back of the GPS.

Will probably power it with a 4S 10000mAh LI-Po ( at least for a start and based on the payload capacity, I may increase the battery size to extend the flight time.

Any of your coments will be welcome and I will sureley take all of them into consideration

( Excuse my not-so-good English...I am native French speaking and an even worst typist!)

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