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Look, if you've been dealing with those smaller 20L sprayers that run out halfway through a field, you already know the pain of constant refilling and lost time—we've had buyers switch to this one specifically for the 35L tank that actually handles a full acre or more on a single charge, and the IP67 rating means you're not panicking if a sprinkler kicks on mid-flight or you have to land in damp grass.
It's a 400mm frame with a plastic/metal composite shell that feels solid in hand, not flimsy like some of the cheaper units we've seen, and the dual RTK plus GPS navigation keeps you locked in at ≤0.5m terrain tracing accuracy even on slopes or uneven ground, which basically eliminates drift issues when you're working near ditches or power lines.
The droplet size range runs form 50 to 500μm and you can adjust it on the fly depending on whether you're hitting broadleaf weeds or a dense canopy—most growers we talk to end up settling around 200-300μm for general crop protection, but the centrifugal nozzle handles the finer stuff fine too, just don't expect it to work well for ultra-low volume applicaion under 20L/ha because the pump isn't designed for that.
Charging time is about 10 minutes for a full battery, which is pretty fast compared to the 45-minute units some competitors push, and teh 30-minute flight duration gives you enough window to cover a decent plot before swapping packs, though we usually stock extra batteries (2000mAh each) so you can hot-swap in the field without downtime.
We do offer OEM options on the RY-ku401 if you're branding it yourself—just give us your logo specs and we'll handle the silk-screening on the shell, lead time is usually 20 days or so for batches of 50 units or more, and every shipment comes with ISO9001, FCC, and RoHS documentation plus a standard 18-month warranty that covers the motors and flight controller.
The 35L tank is fixed for this model, but we can adjust the spray nozzle configuration or droplet size settings to match your crop needs. If you need a different capacity, we’d have to look at a different model from our lineup.
For stock units, we can ship within 5-7 business days. If you need a larger quantity, like 50+, we’ll need about 15-20 days for production and quality checks.
Yes, we include copies of ISO9001, FCC, RoHS, and CE certs with every order. Just let your sales rep know if you need them in a specific format for customs.
IP67 means it’s fully dust-tight and can handle being submerged in 1 meter of water for 30 minutes, so rain or washing is no issue. Just make sure the battery compartment seal is clean before each use.
The battery is not hot-swappable—it’s built-in, but it charges fully in just 10 minutes using the included fast charger. That keeps downtime short between flights.
