NOTICE: We apologise for the lack of stock. We're a little down, but not quite out at this stage. Thank you for your patience.

FlightClub PROton - Skeleton

  • Sale
  • $110 AUD

The FlightClub PROton - Skeleton is a 5" X frame that is very race focused. At its heart is the CNC'd Nucleus Plate. This ingenious mid-plate is what gives the PROton its incredible amount of core strength. You just won't break a Nucleus or bottom plate on the PROton. The sleek arms and short cage design improve aerodynamics considerable compared to traditional freestyle frames or older race frames. Even on the same equipment this quad will feel faster and handle like a dream!

We've been testing the PROton's in-house for some time now and love them. We've also learnt a lot about them which means we know them inside out. As such all PROtons from HOTT Hobbies ship with 5" Practice arms. As their name suggests they take more of a beating and deliver better value out of the box. We also have stretched-X and 6" options available^


Please Note: The PROton is designed to be built with an AXii stubby or U.FL/MMCX antenna. Other antennas will work, but may not maintain the sleek profile as pictured. We're working on getting some in stock and have alternative mounting options (ask us).

^ spare 5" practice, 5" stretched and 6" arms are sold separately. Kits come with 5" practice arms by default.



Frame Weight 100g
Motor to Motor (size) 154x148mm (LxWxD) (near perfect X design)
Main Plate Thickness 3mm (7075 Aluminium)
Motor Sizes Supported 22xx-23xx (M3 screw holes to suit a 16x19mm pattern, note only 3 outer holes used)
ESCs 20-30A
Prop Size 5" (Gemfan 5152 Props fit without any issue)
LiPo 4S-6S/1000-1500mah
Compatible PDBs and FCs

30.5x30.5mm and 20x20mm mounts


Skeleton Kit Includes:

  • 1x 2mm CF Top Plate
  • 4x 25mm Black Standoffs
  • 1x TPU Camera Mount Set for Micro Sized Camera
  • 1x TPU VTX/RX Antenna Mount
  • 8x M3x8 Button-head Hex Screws
  • 1x Nucleus CNC Aluminium Mid Plate
  • 1x 3mm CF Bottom Plate
  • 4x 4mm 5" Practice Arms
  • 12x Silicon injection moulded "Butter Mounts"
  • 4x M3x20mm Button-head Hex Screws (for FC Stack)
  • 9x M3x10mm Flat-head Hex Screws (bottom to mid-plate through arms)
  • 4x M3 Nyloc Nuts
  • 1x 1mm CF VTX Plate
  • 2x Antenna Tubes
  • 2x Antenna Caps
  • 1x FlightClub Velcro Strap
  • Stickers


Suggested Parts:

Note: Parts may vary slightly from those shown in pictures due to design refinements.

Spare Parts are available... if you've broken something and need a spare please contact us!


The PROton Skeleton in action with team pilot HOTTFLUSH behind the sticks!

A post shared by Hubert Ott (@hottflush) on