OPAH ONE — a 249-gram drone, molded guard ring, 4K60 video, 31-minute flight.
Claim
We shaved off the last gram so you never need permission.
249 g — under the registration limit in 41 countries.
01 — Why OPAH ONE
Three decisions, built in.
-
01
Molded guard ring
Not a bolt-on. Hits a wall, bounces off, keeps flying.
Structure -
02
249 grams, on purpose
One number that shaped the battery, materials, and sensor size.
Mass -
03
Real mechanical gimbal
Real one-axis stabilization, not just a cropped, shaky frame.
Camera
- Mass
- 249g
- Flight time
- 31min
- Video
- 4K60fps
- Range
- 10km
Inside OPAH ONE: 38 parts — top shell, four motors, mainboard, one-piece battery, and camera gimbal.
02 — Six parts worth noting
Every part fits exactly once.
-
01
Propeller
Foldable polycarbonate, swaps in seconds, no tools.
PC -
02
Brushless motor
1103-size, 11,000 rpm, dual ball bearings.
1103 -
03
Camera cluster
1/1.3-inch sensor, one-axis mechanical gimbal.
1/1.3" -
04
Top shell
Injection-molded PA12, one piece, four screws.
PA12 -
05
Mainboard
Six layers, dual IMU, video transmission chip.
6-layer -
06
Battery
2,450 mAh, one cell, on the center axis.
2450mAh
Three flight modes: Cine slows yaw to 40%, Normal holds position by GPS, Sport unlocks 68 km/h.
04 — Specs
The full numbers, flaws included.
Measured at 25°C, wind under 3 m/s, full battery. Flight time is continuous hover to 10% charge.
| Takeoff mass | 249 g |
|---|---|
| Unfolded size | 178 × 162 × 62 mm |
| Flight time | 31 min |
| Top speed | 68 km/h — Sport mode |
| Max altitude | 3,000 m above sea level |
| Sensor | 1/1.3-inch CMOS, 48 MP |
| Video | 4K 60fps · 1080p 120fps |
| Stabilization | 1-axis mechanical gimbal + 2-axis EIS |
| Storage | 32 GB built-in, microSD up to 512 GB |
| Transmission range | 10 km FCC · 6 km CE |
| Wind resistance | Level 5 — 10.7 m/s |
| Operating temp | −10°C to 40°C |
05 — Build log
Nothing here is random.
Three scroll scenes are WebP frames drawn to canvas by a 294-line engine, built with Design:OS. Every step is deterministic.
-
01
Frames
343 framesextract-frames.shsplits the clip into two WebP tiers. -
02
Color
#FF3E00ui colorpulls the orange straight from the drone's interior. -
03
Tokens
DTCGui tokens compileturns DTCG JSON intotokens.css. -
04
Engine
Tenantui tenant-scaffoldemits the scroll engine verbatim, sandboxed. -
05
Motion
GSAP handles line reveals with one shared easing curve.
GSAP -
06
Gate
5/5 passtenant-lint·taste-lint·a11y-lint·validate-layout·content-lint— errors block ship. -
—
Title block
This page declares its own toolchain, once, right here.
343 WebP frames · Tenant engine, 294 lines · GSAP 3.15 · Be Vietnam Pro, self-hosted
06 — Try Design:OS
Build pages like this.
This page, and the lint gates it had to pass, ship from one CLI: the ui binary.
npm install -g ease-design
View on GitHub