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This thread is privately moderated by gtfreeflyer, who may elect to delete unwanted replies.
Dec 01, 2021, 08:03 PM
Trader Rating: 43
Put a bigger motor on it!
gtfreeflyer's Avatar
Thread OP
$399.00 USD
Buyer pays shipping
For Sale

Pixhawk 4 - Servos - Receiver - Sensors - and More!

A while ago I had plans to put this autopilot in one of my planes, but never got around to it and am no longer motivated to do so. I've just gone back to the "old school" way of flying and have gotten into other hobbies as well.

I built a HIL (Hardware in the loop) setup as seen in the photos. It contains 16 servos inside the CNC'd wooden block so that you can visualize what each channel is doing during testing. I had this connected to my PC and was flying my custom plane on X-Plane 11 through the Pixhawk and wirelessly with my RC transmitter. X-Plane was taking care of the flight model and was feeding it back into the PixHawk so that it could react to the environment (wind, turbulence, etc.). That's as far as I ever got with this project. The components have never been installed in an aircraft or flown. Everything is still pretty much brand new and was working great last time I used it. I'll leave everything connected as is for you so you can understand all the connections once you receive it.

PixHawk 4 package with GPS, power management board and more. (I bought it from HolyBro, SKU20034)
Sik Telemetry Radio also from HolyBro - 915 MHz 500 mW -
16 servos (They are embedded in the block and I can't remember exactly which ones they are, but they are the HS-55 equivalents from HobbyKing.
Eagletree Airspeed sensor V3
RC Receiver FrSkyXM+ micro SBUS -
MaxBotix Ultrasonic Sensor -
CNC'd wooden block as shown, custom made by me

Venmo, Paypal, Zelle accepted
Buyer pays shipping
Available for local pickup near Irvine, CA

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Dec 01, 2021, 09:21 PM
Trader Rating: 30
Registered User
Now that's a rare learning/teaching tool. Nice work on the box. very cool..
Dec 01, 2021, 11:57 PM
Trader Rating: 43
Put a bigger motor on it!
gtfreeflyer's Avatar
Thread OP
Thanks! It doesn't have to be a learning tool only. The buyer can still take it apart and put in an aircraft... just to be clear

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