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I have two Mini-Z buggies. The red one is the AAA-powered brushless MB-010VE 2.0 with a bunch of aluminum upgrades. It's so easy to pop in AAA NiMH batteries and start driving. While it's not sealed against sand or small debris, for a car the size of of hand, it's very fast with amazing handling. This other buggy here is only partially an MB-010. The previous two videos featured this Sai Lai's CFV buggy. It uses a custom carbon fiber chassis and fully custom electronics. Things drivetrain and suspension are standard Mini-Z. In this video, I'm going to test drive the CFV for the first time, and compare the driving experience with the standard buggy.
I've installed my favorite tires on the CFV, the Carisma GT24 rally pin tires (CIS15639). They are grippy and durable. The initial impression is that the buggy runs quite smoothly. Off power, it rolls freely. On this concrete and wood plank surface, the tires provide a lot of traction, and therefore also steering. In fact, I needed to dial down the dual rate because this chassis allows for significantly more steering angle than a regular MB-010. The most obvious difference to the driving experience is the throttle control. The Furitek Momentum ESC is 10 years more advanced than Kyosho's board. I can drive the CFV easily and confidently.
(25% playback speed)
I lowered this buggy using some droop screws on the suspension arms. The dogbones run smoother, and there's less bump steer. These slow motion footage lets us see how the chassis leans and how the tires skid around during corners. Mini-Z Buggy's oil shocks and suspension are getting the job done. So not only the CFV looks pro, it performs well. This is a successful build.
For comparison, let's remind ourselves how the MB-010VE 2.0 does in the same environment. It's got the same Carisma GT24 rally pin tires, but the beefier big bore shocks. It's super fast! I forgot how quick this thing zooms around.
This is running AAA (~4.8v), 8500kv brushless motor, and 11/35T gear ratio. The CFV runs 2s lipo (~7.2v), 3500kv brushless motor, and 16/33T gear ratio. If I do my math right, both buggies should generate around the same amount of wheel speed. After rewatching the footage many times, I think the AAA buggy is a little bit faster. A Surpass Rocket 5500kv motor just arrived at my work bench. It's going into the CFV, which will certainly get faster. What a blast to drive this buggy though!
(Hi Loki!)
How about an indoor setting? Let's test it out starting with the same Carisma tires. These rally pin tires do pretty well on this surface. There's enough grip to drive safely indoor. The extra steering angle on the CFV can come in handy too. The rear end feels a bit loose. Perhaps in the future I can test putting a 5g weight in the back.
Here we have Kyosho's stock buggy tires (MBT002F, MBT002R). They are pin tires too more designed for carpet. With the body off here, we can see the electronics setup. That's a GL 330mah 2s lipo. Even with the dual rate dialed down, I can tell the steering angle is much more than the stock MB-010. I've run these Kyosho tires many times already. Visually, they look really nice, but they don't have too much grip on this floor. The buggy is still drivable, but it's a bit more shaky. These tires work better on carpet and concrete. In general, I recommend getting the cheaper Carisma rally pin tires instead.
I also have a different set of Carisma tires. These are the 38 shore GT24B tires (CIS15387). These are the softer version compared to the stock 55 shore GT24B tires (CIS15388). I have run the 55 shore ones before, but not these 38 shore. They feel a lot grippier in the hand. The fresh tires are super clean and grip well on this floor, but of course dust tends to decrease transaction quickly. With the flatter tire treads compared to the pin tires, I can see these working well on something like RCP.
Oh yeah, I must also show how the CFV performs at slow speed. Its turning circle is very tight for its scale. All indoor drivers will welcome this benefit. Its turning radius has gotta be half of that of GT24, and roughly 70% of the standard MB-010. You might also have noticed the low end throttle control here, due to the modern ESC. Let's just say it's miles better than what Kyosho put in the MB-010VE.
I hope this video provided everyone some ideas of how the Mini-Z Buggy carbon chassis conversion performs in practice. I never thought I would have a second Mini-Z Buggy, but this was well worth the cost and effort. After the previous video had been published, Sai reached out to me and sent me an improved version of the CFV chassis. This means I will be talking about the CFV soon again!
To buy the carbon chassis, contact Sai Lai by Facebook ( / sai.lai.37625 ) or Whatsapp (+85291911193)
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