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    Kevin Leach

    Been a big fan for a couple of years now.

    Mini Tricopter
    Stock electronics
    Turnigy Nano 4S 1800mAh
    FlySky Th9x with FrSky DJT module

    This is my first build. Have been flying a 3DR Iris+ and a Yuneec Typhoon Q500+.
    The Mini Tri is a freaking beast. Less than 5 minutes and already broke 2 props. The punch out on this thing is amazing. The full range of motion even in Horizon mode is extremely sensitive and I may have to adjust the expo. Did I say it was FAST? Pushed the nose down and watched it fly off into the distance waaaaaaay faster than I was expecting.
    So far loving every minute of flying it.


    RCE V4
    F3FC top plate running Triflight O.5
    Carbon Fiber bottom plate
    Stock electronics package
    4S 3000 LiPo
    FrSky D4R-II receiver
    Aomway 500mW VTX
    RunCam Swift FPV cam
    Mobius Action Cam
    MicroMinim OSD w MW_OSD firmware
    David’s uber clean 12V FPV voltage regulator (see https://rcexplorer.se/projects/2012/07/the-tricopter-v2-6hv/)

    I love this thing and really appreciate how clean of a design David has created!


    I have multiple quads and tricopters, so here goes.

    WORKING TRICOPTER: Tricopter V3-NTM Propdrive 28-30s 900kv-Afro 20A SimonK ESCs-Tricopter V3 arms and tilt mechanism-Tricopter V4 landing gear-APC 9×4.5 props-Slightly smoked RCExplorer F3FC-FrSky X8R Receiver-RCExplorer Blue Bird Feedback servo-Zippy 3000mah 4s 20C-No VTX-No FPV camera-Runcam 2 Orange video camera.

    DISSASEMBLED TRICOPTER: Mini Tricopter- Mini Tricopter kit-Mini Tricopter Electronics pack with 30A Akion ESCs-Turnigy Nanotech 4s 1800 30-70C(Killed by my Xhover R5X)-HQProp 6×4.5-Runcam Sky Plus DECASED-Lumenier 200mW VTX(Now on my Xhover R5X)-FrSky X8R(Now on my Tricopter V3)-TBS Triumph FPV antennas(now on my Xhover R5X)-Runcam 2 Orange video camera.

    5 INCH QUAD: Xhover R5X frame-Aokfly Fire Phoenix 2306 2400kv GREEN-Betaflight F4 FC-RCDH Spedix 35A 4-in-1 ESC-Lumenier 200mW VTX-FrSky XSR-M Receiver-Runcam Eagle FPV camera-TBS Triumph FPV antennas-DALProp 5×4.6×3 props-Turnigy Nanotech 4s 1800 30-70C(Killed by the Xhover R5X)-Runcam 2 Orange video camera.

    2 INCH QUAD: FT Gremlin Frame-Emax RS1106 6000kv motors-F3 Mini Magnum AIO(4-in-1 and FC)-FrSky XSR-M Receiver-Runcam TX25 VTX-Runcam Micro Sparrow FPV camera-Tattu 3s 450mah battery-Emax T2345 2.3 Inch props.

    TRANSMITTER: FrSky Taranis X9D

    FPV GOGGLES: Headplay SE


    For the moment:
    a brand new box of pieces (delivered this afternoon, ordered 3 days ago and travelled 1200km through 4 countries; well done David!), intending to become a RCE Tricopter v4 in a near future.

    It’s a bog standard V4 with standard RCE electronics kit.
    Intended RX Graupner GR-12 and TX Graupner MX-12. I am considering a RunCam 2 split Cam c/w WiFi for FPV and areal photo/video.
    Battery D-power 4S 3300 mAh 30C

    For orientation purposes I intend to run a couple of RGB neopixels on each motorbody to recognize front/aft and L/R


    A standard Mini Tricopter but with the servo cable extension added for a cleaner tail boom.
    FPV cam: Foxeer Predator Mini
    VTX: TBS Unify Pro 5G8 sporting a TBS Triumph antenna
    Receiver: Spektrum 4649T
    Batteries: Tattu 1800 mAh 75C
    Running the latest Betaflight release of Triflight.

    My second ever multirotor build as well as electronics project in general. (First being a FT Gremlin)
    Flies great, but I have some tail-wag issues to iron out.


    After an in initial test flight, the following is my “vintage” Baby Tri, sporting the latest generation of yesterday’s tech.

    As such, we’re running:
    Naze32 rev5
    Matek Mini Power Hub
    BlHeli 14.9 12A ESCs running OneShot (the ones for around $2 from hobbyking)
    DYS 1806 2300kv
    BMS-210DMH servo with feedback wire
    X4R-SB running SBUS and telemetry
    Runcam Micro Swift
    Some cheapish Chinese VTX, as in my country, 25mW is the max anyways.


    Cruising smoothly with a 3s 1300mAh
    4s will be tested soon’ish


    This is my scratch built Skyline32 Micro Tri. AUW 65/70 gr. on 1s 350/500 mah. components are,
    Racerstar Tattoo 8A BLheli_32 32bits 1-2S Dshot1200 RaceSpec Brushless ESC from BG
    Eachine 3X 1102 11500KV 1-2S Brushless motors from BG
    3.7V to 5V Step Up Voltage Booster Regulator from BG
    1.7g Low Voltage Micro Digital Servo Mini JST Connector from BG
    Skyline32 Mini Flight Controller w/Baseflight & Cleanflight from HK, I was able to flash with Betaflight.
    FS-A8S 2.4Ghz 8CH Mini Receiver with PPM i-BUS SBUS Output from HK
    Gemfan T Style Polycarbonate 3025 cut down to 2525 from HK
    Woven Carbon Fiber Sheet 300×100 (1.0MM Thick) from HK
    350/500mah 1s 35 to 65c lipo.

    it has good punch out for 1s set up, handles very well. my next project will be a 2s version soon.


    Hi fellow RCExplorers.

    I’ve been doing RC stuff since I was a kid, and always wanted to do multi rotors. I tried Collective Pitch Heli’s, but boy that was a mistake to try as my first “hovering”: aircraft.. LOL..
    Anyway, back in 2013, I saw a Flitetest video featuring the Crazy Swede and his weird flying contraption “the Tricopter”.. I was blown away and started following the channel to find out how to build my own tricopter.
    First build my own out plywood following David’s plans, then eventually Flitetest released the Batbone tricopter frame kit.. So I got one of those and flew that for months. I eventually moved on to quads and stayed there for years. But I’ve always wanted to go back to trcopters.

    So, I spent the last few days designing/printing my own Micro Tricopter, using recycles parts from an Eaching Aurora 95 and a 9gram servo. The servo is almost as big as the entire ESC/FC/RX stack..

    Frame: 115mm
    Motors: 1104 7000kv
    Props: 3035 Gemfan tiblade
    Tail: 9g Tower Pro Metal gear servo

    Ok, so, it “flies”…. Buuuuuut, not well. The PIDs are going to be a nightmare to tune.
    Most Micro frames (around 100mm) seem to be super hard to tune. I can only imagine how difficult this little beast is going to be to get tuned.

    Anyway, Just wanted to share the recent addition to my fleet.

    Images are:

    – Some screens of the design and printing –
    – Red PLA prototype for fitment testing –
    – Red/White PLA prototype for flight/electronics testing –
    – Final black PETG print –

    • This reply was modified 1 year, 7 months ago by Allarabie.

    Hi there,

    just like to share my own scratch built Trironin Tricopter inspired by Davids V4. Though went some different way with the booms which I built in a combination of 3D-printed parts and Cfk-tubes which are glued together with epoxy.
    Electronics is not finished yet as there will be a GPS and an FPV-system mounted to it. All in all it flies very well even without autotuning the PIDs and stuff. Now I need some more stick practise in order not to crash it too often though the build is very strong!

    Weight without battery is 663g. At the moment I fly a 3S 3000mAh pack which is around another 300g.

    Motors: SunnySky X2216 1250KV
    Servo: BMS-210DMH incl. feedback wire
    ESCs: HAKRC BLHeli_32 Bit 35A
    FC&PDB: Kakute F4 V2 & BabyPDB
    Props: Gemfan 10×4,5

    • This reply was modified 1 year, 1 month ago by penkypenk.
    • This reply was modified 1 year, 1 month ago by penkypenk.

    finished my LR 🙂
    Stock kit, Servo & PDB
    Kakute f4 v2
    HGLRC FD50a ESCs
    Emax RSII 2207 motors
    FrSky R9 Mini
    BN-880 GPS
    RDQ Mach3
    RunCam Swift Rotor Riot Edition

    pretty groovy build with the hanging stack. I used 35mm standoffs for a more compact build.
    Assuming I’ll get a 4.0 3s with a low C rating to power it, but interested in 18650 power…

    • This reply was modified 11 months ago by dubadub425.

    My fleet of tricopters all running CC3D. Over the 8 years or so I’ve built every type of configuration. The mini-tri is my 50th build. I just love the tricopter and y6 configs. They offer the most fun and they behave like a fixed wing in flight, not to mention the long flight times vs other setups.

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