OZR-5X 5" Racing Frame: Specs, Build Guide & Parts
Quick answer: OZR-5X is a 46.27 g 5" race frame, the lightest 5" frame ever developed, designed for DinDrones by Ben Freelove of OZORA Drone Labs, race engineer for Red Bull Air Race world champion Yoshi Muroya. T700 carbon, 5 mm True X arms in a "Torque Box" with a center TPU damper, 20x20 or TBS Gorilla stack, 46.5 mm standoff spacing. Apply the OZR-5X preset in Betaflight and fly.
Buy the OZR-5X frame · OZR-5X BNF (HDZero) · Free TPU files on MakerWorld
Specs and measured weights
| Item | Value |
|---|---|
| Frame weight (no TPU) | 46.27 g |
| Size | 5-inch |
| Carbon | T700, 2 mm plates, 5 mm arms |
| Arm layout | True X, Torque Box with center TPU damper |
| Stack mounting | 20x20 mm, or TBS Gorilla with the TBS middle plate |
| Standoff spacing | 46.5 mm (fits larger ESCs) |
| Standoffs | Quadmula aluminum 25 mm M3 |
| 4 arms (spare set) | 24.26 g |
| Arm brace | 3.2 g each |
| Tuning | Betaflight Presets tab → search "OZR-5X" (MPU6000: little to no tuning) |
What's in the box
- 1 × top plate, 1 × middle plate (standard or TBS Gorilla), 1 × bottom plate, all 2 mm T700
- 5 × 5 mm T700 arms
- 4 × M3×12 button head (arms), 4 × M3×30 button head (stack) or 4 × M3×10 (TBS version), 4 × M3×8 button head (top plate), 4 × 25 mm aluminum standoffs
- No TPU included: buy it or print it yourself
Compatibility
| Part | Fits | Option |
|---|---|---|
| ESC, long (T-Motor 60A, RUSH, Foxeer Reaper Slim) | 8 mm capacitor mount | Misc TPU parts + 8 mm 390 µF caps |
| ESC, shorter (Hobbywing 45A, Foxeer Reaper 45A) | 10 mm capacitor mount | Misc TPU parts |
| Lumenier AXII / TBS Triumph Pro / AXII 2 Lite | Large / Medium / Small antenna mount | Antenna mounts |
| HDZero 90fps camera | OG or Pod camera mount | OG mount · Pod mount |
| TBS Gorilla stack | TBS middle plate + M3×10 stack screws | Plates · Hardware |
| Pod upgrade | Replaces 2 standoffs and the top plate on the OG frame | PAHT-CF Pod · Pod fin |
Hardware map
| Position | Screw | Kit |
|---|---|---|
| Arms | M3×12 button socket, alloy steel (M3×16 flat for the long option) | Hardware |
| Stack (Quadmula) | M3×30 button socket, alloy steel | same |
| Stack (TBS) | M3×10 button socket, alloy steel | same |
| Top plate | M3×8 button socket (steel) or 7075 aluminum | same |
| Motors | M3×8 7075 aluminum, M3×12 with a brace | same |
Spare parts
- Arms (5 pcs), plates, braces
- Screws and standoffs, 8 mm capacitors
- TPU: cap mounts and grommets, antenna mounts, turtle fins, camera mounts
Build videos
The story
Ben Freelove is a race engineer and tactician for Red Bull Air Race world champion Yoshi Muroya, and a multiple-time US Aerobatic Team member. A year and a half of concepts and test cycles went into the OZR-5X, designed exclusively for DinDrones.