Student Life Size Working Mario Kart: How’d He Do It? [Vid]

A self-described electromechanical hobbyist and MIT student named Charles Guan is the mastermind behind the Chibikart, a motorized Mario Kart-like vehicle built from scratch.

MIT student

On his blog, Charles states that Chibikart took him a total of three weeks to build, “from [announcement] to first ride test,” which seems like just absolutely no time at all.

 

I reached out to Charles via email, curious to find out how much a project like this would cost a person…

 

 

 

The battery pack was an exclusive that he was given at no cost, but it’s not on the market. “An equivalent lithium ion battery of that size is about $250 to $400 depending on quality/grade. ($250 for two model airplane batteries, and for a vehicle grade pack.)”

“The motors have about $250 of materials and machining time put into them,” —which, with a total of 4 motors, is another $1k of expenses— “but it’s not a cost I paid directly,”

Charles explains, “because I already had many of their parts.”

mit student mario kart

Factor in about $300 of “direct frame material and hardware costs” and a scratch estimate would put the cost to build the Chibikart at about $1300. (With the caveat that the battery cost isn’t really known.)

Building a Chibikart from scratch, if you don’t already have some of these parts, could set you back as much as $1750 (factoring in the higher-cost equivalent lithium ion battery).

 

He documents the whole assembly, tweaks and setbacks and all.

So I fully expect a fleet of copycat Chibikarts to appear in the coming months. Which would be great. Especially if someone built one for me.

 

Chibikart Specs

• Frame size: 34″ by 18″
• Motors: Custom-wound and packaged direct drive hub motor, 300W peak each*
• Wheels: 100mm 87A skate wheels
• Battery: 32v 9Ah lithium iron phosphate pack
• Controllers: 350w-class Mysterious Chinese Sensorless e-Bike Controllers (“Jasontroller”)
• Top speed, theoretical: 26mph (voltage & motor RPM/V & wheel diameter)
• Top speed, realistic: 21mph**
• Actual top speed: To be determined.
*30 second “peak” rating at 20 amperes
**Factoring in conservative estimates for air drag, and motor resistive losses at-speed, smooth and level ground assumed.

 

MIT Student Builds Awesome Working Mario Kart, Documents Process Every Step of the Way

via gizmodo/EqualsZero/BuzzFeed

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One Comment on “Student Life Size Working Mario Kart: How’d He Do It? [Vid]

  1. Earlier these days, several Nintendo executives took voluntary pay cuts together with chief executive officer Satoru Iwata taking a 500th reduction, but that was just preparation for the company's overarching 2014 plans. To more address the company’s financials and future, Nintendo held a strategy briefing these days in metropolis.
    Mario Kart eight are releasing in might, but consistent with the WSJ, Iwata said, “This won’t be simply a happening boost in momentum.” This wasn't further processed.
    However, Nintendo is receptive licensing their characters to other partners. This isn’t unprecedented, however may show a stronger push toward that idea; in spite of everything, Sega develops the Mario and Sonic at the Olympic Games series, ANd Link goes to be in an forthcoming sept Warriors cross-over game Hyrule Warriors.

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