Navimow X4 - 40° slopes, no WIRE, no ANTENNA, honest indepth review

 

Testing the new Segway Navimow X4 420 AWD flagship on my messy, wild property. I'm testing its Xero-Turn maneuverability and obstacle avoidance against molehills, high grass, and my car!

🎁 EXCLUSIVE PRE-ORDER DEAL

Get a FREE Garage (€269.90) + 1-year extra warranty (3+1) here:

👉 Official Store: https://z.navimow.com/46YH7G3 (Affiliate link)

👉 Amazon: https://amzn.to/4aVonbE

My Philosophy: Honest, "almost scientific" testing. I test products rigorously and share honest opinions—even if it costs me affiliate earnings. Using my affiliate links supports my work at no extra cost to you! Huge thanks!🙏

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🛠 TECH SPECS

The Navimow X4 420 is the flagship of the new lineup:

• ✅ AWD Performance
  • Xero-Turn™ AWD technology - ultra-smooth maneuvering without damaging the grass
  • Superior obstacle-crossing ability: 84% / 40° slopes!!!, 7cm steps can be taken
  • Traction control for dips or molehills
• ✅ No Antenna: Uses Network RTK (NRTK) + Vision (360° Cameras) - no pole in your garden!
  • EFLS™ NRTK（Option Dual RTK）+ VIO + Vision (3 Camera 360°)
  • Object Detection System: VisionFence™
  • 360° RGB Camera + ToF (time of flight sensor)
• ✅ Mowing Power: Dual 180W motors for thick, tall grass (MowMentum™ Tech).
  • 43cm cutting width, 2 - 9,5 cm mow height
  • 0,8m/sec max Speed (2,88 kph)
  • 2.000 m² in 8 hrs
• ✅ Anti-Theft: Integrated "Apple Find My" & GPS Geo-Fence.
• ✅ Hyper-Charging: 224W Fast charge (normal 80 W, quick 180 W) - Full in 75 mins
• ✅ DIMENSIONS: 850 × 610 × 351 mm, Net Weight: 28.8 kg

Triple Efficiency Guarantee

• 430 mm wide cut (1.8× coverage of single-disc, finish up to 600 m² per hour)
• 0.8 m/s boosted speed
• 224W Hyper-Fast Charging (75 mins recharge)

TÜV Rheinland "Lawn Care" Certification!
The Navimow X420 is the world's first robotic lawn mower to be awarded this certification. Rigorously tested on slopes and amidst complex obstacles, it endured a simulated year of high-intensity mowing. Delivering the industry's only "minimal damage" performance, it defines a new benchmark for ultimate lawn protection.

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🎥 ▬▬▬ EQUIPMENT ▬▬▬

My Hangar: http://goo.gl/QNzck
Filmed with: Sony A7CII, DJI Mic2, Oneplus 12, edited with Premiere Pro
Drone: Chimera4 DJI O4, ND16

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🔖 ▬▬▬ VIDEO INDEX ▬▬▬

00:00 Intro
01:11 Unboxing
02:35 Hardware Tour: Metal axles & blades
04:17 App Setup & PIN code
05:53 Docking Station Tips
07:51 Auto-Mapping Fail? (Complex Terrain)
12:44 Manual Mapping (The better way)
16:06 Apple Find My Test (Theft Protection)
16:58 How to clean the AWD wheels
17:16 Mowing Test: High grass & 40° Slopes
27:06 Verdict: Is it worth it?

#navimow #mähroboter #navimowx4 #NavimowNewLaunch #CraftingtoEnrichLife #XeroturnAWD

FPV Meet, Stunts, crashes - FUN on spectacular spot!

After a long winter and 63 days of not flying I met with my FPV buddies on our favourite spot and we had loads of fun just fooling around with panes, drones and RC cars there. Thanks to footage donors and sorry to the plane I destroeyd. After my first crash with the fragile Chimera4 I flew with the near indestrucible 5" ERA - and it was a good idea ;)

Next time I'll have my Penguin repaired - as this is the most fun FPV meet plane I have.
Greets to all FPVers out there and may your season start soon too - happy flying!

KuKirin G2 Ultra: 1600W Scooter - Hillclimb King for €719?

In this video you will find out, if this budget scooter is powerfull enough for your needs, see many details, some findings, IMPROVMENTS and 3D printed UPGRADES you shouldn't miss out!

 **KuKirin G2 Ultra**

My Philosophy: Honest, "almost scientific" testing, I test products rigorously and share honest opinions—even if it costs me affiliate earnings. Using my affiliate links supports my work at no extra cost to you! Huge thanks!🙏 

⚡▬▬▬▬SPECS▬▬▬▬▬▬▬▬▬▬▬▬▬⚡
⏱️ 50 kph Max. Speed
⚙️ 1600W Powerful Motor (2x 800W)  ~ 29Nm torque
3 Modes (Eco, Sport, Race) + Turbo button, mode is remembered!
• Realistic RANGE:  30-40km
🔋 48V 18Ah Battery  13S 7P,  864 Wh  ~ 400$  (*1)
1st full charge: 892wh  (which should be around 760wh in the battery) in 8hrs
• BRAKES: Large discs, Steele wire + Electric (EABS), needed some adjustment not to scratch on the discs
• KEY: great and important feature, to lock the scooter while parked!
• TIRES: 10"
• FENDERS: none in front, GAP in the rear fender - 3D Print better ones (*2)
• DIMENSIONS (LxHxW): 1258*258+650 mm (Folded: 1258*545*650 mm)
• Deck Size: 46x18,7cm (+ 20x13,5cm Backplate)
• Pricepoint: 729€       https://www.kugookirineu.com?aff=67

*1) Spare Battery Link

*2) FENDERs and HOOK on my GoogleDrive
someone made 3D printable ones    and extended version
Front fender can be printed in one piece and will just be zip-tied in place
Link to my onshape document with a FULL 3D SCAN of the scooter for reference

Unlimited Juice on the Field / Out in the Wild? Allpowers R600🔋 and SE200 ☀️

Got the chance to test this Field-Charger / Solar generator in my hangar. Looking forward when I can actually bring this with me on the field and charge my LIPO packs with (almost) infinite, free solar power. We just need some warm temps and sunlight :)

Check out the product here (Affiliate link), get 10% OFF with my Coupon code: RCSchim

Which cam is best for Snorkeling in the Maldives?

This resort on the maldivian Island of Dheru is called "Jawakara" and was the best island we explored so far (actually it's two islands connected via a 600m long bridge). 

Best SETTINGS:
4k30 or 60fps  (30 for low light)
4:3 aspect - so you can re-frame if you didn't have your subject centered well
Rocksteady stabilization on, wide FOV
Option: underwarter color 

TRANSFER speeds:   
  Nano (128gb version):    ~500 mbytes/sec !!!
  Action5 (internal mem): ~300 mbytes/sec 
  from SD card:                    ~80  mbytes/sec

BATTERYLIFE: 
really good efficiency! Action5 runs very long, little Nano runs "long enough" and is re-charged quickly with it's screen module...
Never was an issue in our 2 weeks of snorkeling!

Speedybee Short Circuit Protector

 

Split Realities - Mystic ruins above the fog (DJI Air3)

 After fog creeped in for the better part of december I really started to crave for some sunlight. Last friday afternoon I took my DJI Air3 out for the first time after ages, drove up into the mountains - and was so amazed by both: tech tools and mother natures spectacular sense for dramatic scenery painting ;)

Wish you guys all the best - thanks for watching,

greets, Mario

DJI Osmo Nano: Better than DJI O4 footage?

 Is the DJI Osmo Nano worth adding to your drone? I compared it on my 5" drone to DJI O3 footage and on my cinematic 7" cruiser to the DJI O4 (with ND filter). I show you how to use Gyroflow and whilst testing I found a few surprises.

The Nano delivers noticeably better dynamic range and more filming options than DJI O3. It also delivers good battery life (considering the size) and lightning-fast file transfers!

BUT BE WARNED: The Nano is more prone to "jello" and its in-cam stabilization can struggle with drone vibrations, potentially ruining shots. Get ND Filters for the DJI Nano, I'm sure my friends at FreewellGear already have some in their shop!

PRO TIP: To unlock its full potential, ALWAYS film with Stabilization OFF and in WIDE FOV! Then, use Gyroflow in post-production for butter-smooth, controlled stabilization that truly shines. It takes a little extra effort, but the cinematic results are worth it!

Who is it for? Pilots seeking cinematic, natural-looking footage who are comfortable with post-stabilization and ensuring a super-stable drone mount.

SAMOS by Drone: Paradise Beaches, refreshing Canyons & awesome Cliff Dives!

 Join me as I put the Chimera 4 travel drone to the ultimate test, capturing the stunning beauty of  Samos Island (Greece) – from paradise beaches everywhere, through refreshing canyons to be explored and epic dives at the Kerkis, highest elevation on the island.

Canyon was the "Potami Waterfalls" a little west of Karlovasi. Beach from first shots is the Potami beach, Church is called "Agios Nikolaos Chapel Potami". Best fish on the island in our fav restaurant: Cohyli Restaurant (in Ireon).

We found Samos to be the nicest island of the few Greek islands we travelled to. 

Stormflying 2025 (annual autumn RC gathering)

It was a wonderful day of flying – with good weather, a "Sturm" (the drink), and lots of fun at the airfield. Thanks to the organizers and also to everyone who helped rescue the poor penguin.
Please let me know how you like videos in my native language (it wouldn't have been any different here – I can rarely persuade my colleagues to speak English for my video :)

One finding on this language experiment:
if I do my video in my native language (German with some accent), It only translates into english.
When I do englisch videos, it translates into MANY languages...
Best, RCSchim