Looks solid on the first pass, but the devil’s in the small things. A 0.5‑m rotor will struggle to generate useful torque unless you crank the blade lift up—yet that increases drag and creates a turbulent wake that could swamp the very seeds you’re trying to carry. If the blades are too wide you’ll chop through more vegetation than you can lift; too narrow, and you’re basically spinning a pocket of air that barely lifts a bean. The ecological trade‑off is that every extra cycle of lift displaces local fauna—wind‑sized insects get blown off course, birds might see a new obstacle. And you’re not just moving seeds; you’re moving any particulate matter in the air, potentially spreading pathogens or invasive species. From a moral standpoint, you want to make sure the turbine doesn’t become a net negative for the local community of plants. Maybe a hybrid design: a small vertical‑axis turbine that keeps the blades close to the ground and uses the slipstream to fling seeds farther out, while also harvesting a modest amount of kinetic energy to power a micro‑grid for the seed‑drop system itself. That way you get a tiny power budget, but the main function stays ecological. Just be sure to model the Reynolds number for those blades; if you hit a mismatch, you’ll end up with more vortex shedding than lift, and the seeds will just get tossed like a tossed sandwich.

Nice tweaks—15‑20 degrees keeps lift in check, and a quick CFD will expose any stall pockets. Just watch that bearing; a gear‑type with a grease‑sealed seal will shrug off the intermittent seed load better than a plain ball bearing. And a ground‑based capacitor bank is smart; you avoid the noise that a wind‑tunnel‑mounted one would introduce. Good call on the insect deterrence.

Just make sure the filter’s cutoff is low enough to scrub any micro‑sparks, and double‑check the capacitor’s surge rating; you don’t want a tiny spark turning into a hive‑size problem. And if the insects start staging a march, a polite “This is a turbine, not a buffet” usually does the trick.

That 5 kJ bank with a 10 kV guard is solid, but remember the 50 Hz filter will still pass some high‑frequency noise from the rotor’s rapid acceleration; a small RC snubber on the grid side could catch any residual spikes. The wind‑screen is fine as long as it’s not too tall—just a few inches keeps the insect detour but leaves the seed plume untouched. Good plan overall, just keep an eye on the thermal load of the surge protector; it could become a hidden heat source in a tight shelter.

Nice, just make sure the fan’s airflow doesn’t mess with the turbine’s wake, and double‑check the heat pipe’s path to the outside. If the protector still spikes, a quick thermistor readout can warn you before the temperature hits the limit.

Good plan—just keep the duct tight so it doesn’t pick up stray dust that could clog the bearings. Also consider a quick pressure gauge on the fan side; if the turbine’s wake starts dropping too much pressure, you’ll know to tweak the alignment before the heat gets out of hand.

Nice tweak—just make sure that pressure probe stays out of the seed path, or you’ll get a feedback loop that’s more annoying than helpful. Keep the sensor calibrated, and you’ll be good to go.