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FlightClub PROton | Race Drone Frame


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Rated 5.00 out of 5 based on 15 customer ratings
(15 customer reviews)

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FlightClub PROton Race Drone Frame

PROton in Skeleton Mode – 215g


Designed from the ground up to be a race drone frame, the FlightClub PROton can adapt to any situation.

proton cnc nucleus plateAt the heart of the FlightClub PROton is the Nucleus plate.  It allows PROton to be configured into a total of 10 different frames.  The Nucleus plate is a CNC milled 7075 aluminum plate that lets the PROton rock either a canopy or skeleton (standoff) mode.  The Nucleus plate features threaded holes for the replaceable arms.  This eliminates the need for M3 nuts or capture nuts that either strip or are a hassle to swap arms.  

Borrowing a design feature from it’s brother Tokio, the Nucleus plate will have Butter Mounts.  Butter Mount is an innovative way to mount the flight controller stack using custom silicon injection molded grommets that virtually eliminates vibrations. 

The PROton is available with 6 arm options – 4″, 5″ Race, 5″ Practice, 5″ SX,  5.5″ and 6″.   The 5″ arms will come in two styles, thinner Race arms and wider more durable Practice arms.  Pick up some spare PROton Arms.

Just like the Tokio, PROton is loaded with details.

PROton Highlights
  • Nucleus Plate CNC’d out of 7075 Aluminum
  • Can wear a canopy or skeleton for people who like building with standoffs
  • Threaded holes in the Nucleus plate for easy arm replacements.  No nuts or pliers needed!
  • Has 30.5×30.5mm and 20x20mm fc mount holes
  • Butter Mount for a vibration free flight controller stack
  • Chamfered edges on the bottom carbon fiber plate
  • Countersunk holes on the bottom of the frame for a completely flat bottom
  • Camera protection in both Canopy or Skeleton mode
  • Camera Angle approximately: Canopy 30-80, Skeleton 0-80 degrees
  • Approximate weight range 70 – 80g, depending on the configuration

See the FlightClub PROton Prototype

Recommended Base Build

This build is approximately 152g Canopy / 145g Skeleton without motors, props or battery.

Recommended Motors

Listed from lightest to heavier.  Higher the KV the more powerful, lower KV is more efficient for longer flight times.

Ultralight Build.  

Ultrapowerful Build


Base PROton will include the following:

Skeleton Mode will include the Base PROton above plus:

  • 1 – 2mm CF top plate
  • 4 – 25mm Black Standoffs
  • 1 – TPU Camera mount adapter for Micro Camera
  • 1 – TPU VTX / RX antenna mount
  • 8 – M3x8 button head hex screws

Canopy Mode will include the Base PROton above plus:

  • TPU Printed Canopy
  • 2 – M3x10 Hex Standoff
  • 2 – M3 Washer
  • 2 – M3x5 Button head hex screw
  • 2 – M3x8 Button head hex screw

Different height Standoffs can be used for higher or lower stacks.

*Images are of the prototypes.  Final production versions may be slightly different.  Don’t worry, they will be changes for the better.

Additional information

Weight 78.0000 g
Dimensions 175.0000 x 118.0000 x 19.0000 mm
PROton Style


Nucleus Plate Color

Black, Red, Gold, Blue

PROton Canopy Color

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PROton Size

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15 reviews for FlightClub PROton | Race Drone Frame

  1. Rated 5 out of 5


    I build a lot of quads, This frame is the best to work on I have ever built. Everything has its place and it fits together superbly. If flies very smoothly and thus far has taken hits without any problems. My new favourite quad
    Built with;
    Sunrise Siskin f4 30a blheli_32 AIO
    ZMX FinX23
    Foxeer predator mini
    TBS unify pro race and axii ufl

    • Mike Tseng

      Thanks Adam! This means a lot coming from you 🙂

  2. Rated 5 out of 5

    Adam S. (verified owner)

    I’ve built and flown a bunch of quads. This is easily the most well-designed and thoroughly thought through quad on the market. Everything has its place, the butter mounts are awesome, and it simply rips.

    Running 2 for race and 1 for freestyle, and the interchangeability makes it simple to always have parts and options without having to stock a bunch of parts.

  3. Rated 5 out of 5

    Jayrald Rabago

    Loved fpvflightclub frames since the tokio and was very excited for the release of the proton. There is a lot of unique innovations built into this, as well as carrying forward the butter mount feature. I’m glad the frame was design to be able to compete with the light frames out there, but also was made tough with the CNC nucleus. The space left for a small receiver makes for easy assembling. All the hardware is needed to fit a full 3 stack in both the skeleton and canopy versions. I also appreciated the thought of including tpu mounts for the vtx antenna. This frame was design to be future proof.

    I’ve been through multiple crashes involving tree trunks, benches, and head-ons into other quads and have yet to brake an arm. Being a slight stretch x, tuning for racing was a breeze. I’m currently running both the canopy and the skeleton version and have found electronics are very well protected in the canopy. If you run the skeleton, I’d suggest getting the match gopro mount that slides into the top plate to protect the carbon fiber from hard hits.

    The various amount of options you can get for this make it an awesome racer and possible freestyle quad. The accessories range from: canopy, skeleton, led, gopro mounts, and various arms styles/sizes.

    Overall, I’d recommend this to anyone looking for a racer that can endurance the hits it may take as well as compete in the sub 250g weight class!

    Here are my builds:
    Canopy Proton 5in
    Dys F4 Pro II
    Dys 30amp 4in1 esc
    TBS unify pro hv
    Frsky R-xsr
    Caddx SDR1
    Lumenier Stubby
    ZMX Finx23
    HQ 5×4.3×3 (any higher pitch props with those motors make it hard to last during longer races)
    LED back bar
    Total dry weight (without battery) = 285g

    Skeleton Proton 5in
    Hobbywing F4
    Hobbywing 40am 4in1 esc
    Tbs unfi pro hv
    Frsky R-xsr
    Lumenier axii ufl
    Caddx SDR1
    Tmotor F40pro
    Gemfan 5152
    LED back bar
    Total dry weight (without battery) = 325g (gopro racing and freestyling)

    Get yours today! You won’t regret it!

  4. Rated 5 out of 5

    Jonathan Sedano (verified owner)

    Hands down my new favorite frame. It’s been a long time since I’ve tried a new frame that I actually liked it. The Proton oozes of quality, from the feel of the carbon to the small details like the beveled bottom plate to help prevent tearing your battery strap off. The butter mounts are all “function” and zero hype, it flew beyond smooth on a stock tune..

    The build itself is pretty straight forward and am extremely grateful Flight Club made an actual effort to make innovations like how it all comes together without the use of nuts. It makes it for less hardware to worry about and a lot easier to take apart when needed. In my opinion, this is the perfect balance between a heavyweight frame and an ultra light frame. I chose the practice arms so I have a little extra weight when compared to the race arms, but it’s perfect for my power train and flying style.

    It’s been through a fair amount of crashes in the dirt and PVC piping and the carbon top plate is holding up superbly. The standoff’s have seen better days but it’s better than a busted top plate. 100% of my electronics are still intact and haven’t needed to tighten the screws that hold the arms in place. I had an infamous Ultralight frame and hated the fact that it was basically meant to be an expendable frame with arms that seemed to delaminate upon its maiden flight. This is the first time I’m actually going to buy a second frame to build rather than for spare parts (when it’s back in stock :P).

    My Build
    Proton Skeleton
    Emax 35A Bullet Pro Series
    Emax LS 2206 2550 KV
    Dalprop T5040C

  5. Rated 5 out of 5

    Clint Tredway (verified owner)

    I love this frame. The CNC plate makes replacing arms easy, also isolates the stack which is VERY VERY helpful. I have a 4in and a 5in and will have a stretch 5in soon. I cannot recommend this frame more!

  6. Rated 5 out of 5

    Aaron (verified owner)

    I love Fpv-Flightclub frames and now with the Proton! This is one of the best frames on the market and has features that no other company does. High quality carbon at it’s finest. Butter mount so you know what ever you put on here will be isolated from the frame. Aluminium bottom plate is one of the best things since sliced bread. This frame is super simple to build and replacing a arm if it ever breaks can be done in under 30 seconds because of the simple design. They put a lot of time into there frames and test them with top pilots who put them through a tough test and always come out on top. With the choice of over 5 different ways to set it up from 4-6″ it will fit any need you are looking for. The best part is that it comes with 3d printed Camera Mount and Axii Antenna mount so you dot have to buy any extra parts. Thanks to Mike and all the guys behind such great frames and the best customer service you will ever find.

    Proton 5″ True X
    Race Flight Revolt v3
    Bolt V2
    T-Motor F40 Pro II 2400 KV Monster Green
    Foxeer Micro V2
    TBS Unify Pro Race
    Axii U.fl

  7. Rated 5 out of 5

    Drew Hampton (verified owner)

    I love this frame!!!!

  8. Rated 5 out of 5

    Troy (verified owner)

    Mike has done it again!!
    This is just another great frame put out by Flightclub. When you get this frame it will be quickly apparent how much time and thought was put into the design. It is a extremely adaptable frame and the aluminum base-plate idea is genius. I am again very impressed and happy to build and fly another Flightclub flame. This is the frame you are looking for!!!

  9. Rated 5 out of 5

    Kelly (verified owner)

    Umm, it flew pretty nicely, like easy to fly and handled nice, I like it!

    Once I get my FC problems sorted out I’ll post video showing it’s handling characteristics…

    Haven’t crashed it super hard yet but looks pretty durable 😉

  10. Rated 5 out of 5

    Matt (verified owner)

    This is the best frame on the market right now.

  11. Rated 5 out of 5

    PAUL SCHULTZ (verified owner)


    • Mike Tseng

      YEAH BUDDY!!

  12. Rated 5 out of 5


    I very much appreciate the attention to detail that went into this frame. it’s so simple yet so advanced. very easy to work on yet very light and very strong. I am not a racer, but this quad handles fantastic for freestyle! I laugh when people say “race frames” are too light for freestyle flying. if you really feel that way, then just get a bigger battery! lol.. it’s truly a superb frame, weighed down or not.

  13. Rated 5 out of 5

    Dillon Hoopes (verified owner)

    This is an awesome frame, I absolutely love it. i’m using the gimp3d hybrid mount with it, and it’s rock solid!! the aluminum plate and butter mounts make it super durable and oscillation free. This will be my frame for 2018 for sure, will also be running the Tokio still as well

  14. Rated 5 out of 5

    Jeffrey Gustin (verified owner)

    This frame is mind blowing, If you can put everything you ever wanted in a race frame this would be it…
    These will be my go to and only race frames… mike hit this one out of the ballpark, excellent, get one! you will just buy more!
    you will see these on the Race line in the mains!!! I have

  15. Rated 5 out of 5


    Frame: Proton Race 5″
    Motore: BrotherHobby Returner R6 2207 2400 kV
    Esc: HobbyWing 40A (AIO)
    FC: HobbyWIng F4
    Camera: Runcam Micro Swift V3
    VTx: Furious FPV Stealth Long Range
    Antenna: Lumenier Axi Stubby
    Props: HQ V3 (5 x 4.5)

    Excellent frame and super compact build. the carbon quality is excellent with precision milling and a no-slop final build.
    All round quality frame capable of handling latest flight hardware / software. Thoroughly recommend.

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