Neo 2 Field Report: How I Photographed a Wind
Neo 2 Field Report: How I Photographed a Wind-Whipped Vineyard Without Landing in It
META: Neo 2 drone field test in 25 km/h coastal gusts, tail-sitter VTOL transition, obstacle avoidance, 48-minute loiter, D-Log vineyard mapping, no runway needed.
The morning the mistral arrived I was standing between two rows of Syrah, watching leaves flip silver-side-up like fish out of water. My calendar said “aerial phenology survey,” the meteorologist said “gusts to 45 km/h,” and my spine said the same thing it does every harvest—please don’t let me waste a day. I needed one clean dataset: NDVI, canopy volume, berry-shadow ratio, all shot from the same altitude so the agronomist could model water stress without ground truthing every acre.
Runways are nonexistent here; the closest bitumen is 38 km of coastal road away. A multi-rotor would rock like a dinghy, burn half its battery fighting the wind, and still give me jelly-footage. A classic fixed-wing would launch from a bungee, kiss a vine on touchdown, and turn the insurance claim into a second vintage. The only thing that made sense was the little tail-sitter I’d slid into the back of the hatchback: Neo 2.
Take-off: 90° that saves the day
Tail-sitters look odd—nose pointing skyward, whole airframe balanced on its tail fins—until you see one shrug off gravity without wheels, rails, or helping hands. Neo 2’s props spin up, the flight controller tilts the fuselage exactly 90° to the ground, and the wing’s high-aspect ratio suddenly becomes a helicopter rotor disk. Translation: it rises like an elevator, no sideways drift, even when the anemometer on my wrist spikes to 38 km/h. Thirty-five seconds after arming we were ten metres up and the vines hadn’t felt a single rotor wash.
That same posture flip is what lets the craft segue into forward flight. At 18 m the autopilot noses over, the wing reclaims its job as a lift surface, and the battery current drops by 42%. The first time I saw the log later I thought the sensor had glitched—until I remembered the design note from the factory: “Once transitioned, the airframe behaves like a 13:1 aspect-ratio sailplane.” They weren’t exaggerating; my 48-minute loiter timer started right there.
Wind tunnel with grapes
Coastal vineyards are low-lying parachutes; every row accelerates the breeze. I set a lawnmower-pattern at 65 m AGL, speed 15 m/s, gimbal pitched 20° down, and waited for the jello. It never arrived. Neo 2’s control loop samples gust data at 400 Hz, then feeds the vector to the elevons faster than I can blink. The horizon line in the D-Log footage stays locked to the centre pixel; I checked frame 1 against frame 2 743—deviation < 0.3°. That’s the difference between a measurement you can publish and one you have to apologise for.
Subject tracking came next. I tapped a cluster on the tablet; the grape bunch was maybe 4 cm wide, back-lit, swinging. Neo 2 dropped airspeed to 8 m/s, yawed 12° starboard, and held the box centre-screen while the wind direction changed 40° around it. I’ve tried the same trick with folding-quad competitors; they wobble, lose the lock, then hunt so hard the prop blur contaminates the shot. Here the only motion blur came from the berries themselves, and even that was mild enough to let me count individual drupes in post.
Hyperlapse at 300°/s
The viticulturist wanted a “day in 15 seconds” clip for investors. I set a 75 m radius point-of-interest around the irrigation valve, commanded a clockwise hyperlapse with one image every two seconds, then went to pour coffee. Twenty-five minutes later Neo 2 was back on its tail, descending. The final render shows shadows racing across 12 hectares, revealing every undulation in the root-zone. Because the airframe circles in fixed-wing mode, prop noise is 8 dB lower than a quadcopter at the same distance—handy when the winery dog isn’t keen on rotor buzz.
Obstacle avoidance saves the trellis
Half the vineyard is trained on vertical stakes, steel posts sticking up like ironwood. I’d loaded a coarse map, but the customer added two new end-posts overnight. During the second orbit Neo 2’s binocular depth stack spotted a 14 mm cable at 28 m and rolled 6° port without my thumbs ever moving. The log later showed 1.2 seconds between detection and correction; the cable got its own yellow bounding box on the OSD, and the shot continued. Without that ping I would have kissed a prop goodbye and spent the afternoon explaining to a winemaker why his drip line was in tatters.
Battery maths: why 48 minutes matters
Forty-eight minutes is a marketing line on a brochure until you translate it to acres. At 15 m/s cruise, 1 cm/px GSD, and 75% side overlap, Neo 2 can map 105 ha in one climb. I needed only 42 ha, so I landed with 27% reserve—enough for a second, tighter pass on a suspicious mildew patch the agronomist noticed in the live feed. A quad that advertises 35 minutes usually delivers 22 once the wind hits; I would have swapped packs twice and lost light before the final corner.
No runway, no nets, no drama
We finished at 17:50, sun kissing the ridge. I walked to the dirt track, tapped “Return,” and watched Neo 2 pivot vertical again, sink through its own prop wash, and kiss down on the foam skid it had left 70 minutes earlier. Total footprint: one square metre of compressed gravel between two vine rows. No scratched grapes, no rotor-tip divots, no tractor driver yelling about low passes.
Data off-load & D-Log latitude
Back in the lab the D-Log frames delivered 12.3 stops of latitude at base ISO. I could pull shadow detail under the canopy without introducing magenta noise, which means the NDVI script isolates active chlorophyll instead of hallucinating it. The agronomist’s first comment: “Your GSD is consistent to 1.8 cm across the block—usually we see 4 cm drift at the edges when the platform yaws to fight wind.” That consistency is the tail-sitter’s gift: the wing does the work, not the props, so camera pitch stays where you set it.
QuickShots for the crush crew
Marketing asked for social-media candy. I launched again at golden hour, selected a 20 m “boomerang” QuickShot around the hand-sorting table. Neo 2 backed away while climbing, then arced forward in a perfect ellipse, keeping the focal length glued to 24 mm equivalent. Because the route is calculated in 3-D the wing never stalls; because the shot is pre-composed I could talk to the intern about sugar content instead of stick inputs. The clip posted at 4K 60 fps, 100 Mbps, zero warp stabiliser needed—Instagram’s compression had nothing to exploit.
Competitor check: why I left the other bird in the case
I also brought a popular 249 g quad known for “wind resistance.” At 25 km/h it held position, but only by tilting 28° and ramping motors to 78%. The resulting video had micro-jitter every 3–4 frames, and the JPEGs averaged 1.2 px motion blur. Neo 2, in the same gusts, hovered at 6° tilt and 42% throttle. The winner was obvious before I even opened the lens hood.
One thing I’d tweak
The vertical-landing script is conservative; it descends the final two metres at 0.4 m/s. In dead-calm air that feels leisurely. Next time I’ll bump it to 0.8 m/s and shave 15 seconds, because the vineyard crew always wants to get back to punching down caps.
Closing the loop with the winemaker
We overlaid the orthomosaic on last year’s yield map. The zones that showed low NDVI this week correlate R² = 0.81 with the barrels that later needed watering-back. Translation: the flight paid for itself before the grapes even hit the press. When the winemaker asked for the raw data I handed him a 128 GB card and the WhatsApp line I use for same-day support—he pinged me at 23:14 with a colour-grade question; I sent him a LUT before midnight.
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