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Basic Continuously Variable Transmission explained with Legos

In recent years, the search for better fuel efficiency and smoother shifting has produced automatic transmissions with double-digit gears. Alternatively, the same quest has boosted the popularity and usage of a different type of automatic transmission without any fixed gears, the continuously variable transmission, or CVT. YouTuber Sariel's Lego Workshop recently took the time to build a CVT demonstration model out of Legos to help explain how they work. Sariel begins by showing the model's input and output shafts that are parallel to each other. Each shaft has a cone attached to it, and they are inversely placed so that the large part of one cone is next to the small part of the other cone. The two cones are connected using a rounded rubber band.  By shifting the rubber band up and down the cones, the machine changes the effective ratio between the cones. So, a 1:4 ratio can be smoothly transitioned to 4:1. No clutch is required to operate the mechanism, and it eliminates hitches or pauses between gear changes. CVTs are also advantageous over 9- or 10-speed automatics in that they are far less complex and weigh less.  To demonstrate how the CVT operates in a vehicle, Sariel used a joke about Top Gear. The original Top Gear is represented by a faster-moving car that has the rubber band around the large part of the cone on the input shaft. Top Gear without former hosts Richard Hammond, Jeremy Clarkson, and James May is represented by a slow-moving car with the rubber band around the large part of the cone on the output shaft.  For an even more detailed explanation of how CVTs work — albeit one that doesn't involve toys — you can click here. Technology Toys/Games Nissan Subaru

Nissan planning 90-second Super Bowl commercial, plus two debut cameos

The Super Bowl is still a few days away, but the big ads from several automakers for the game are already streaming online. Nissan is bucking the trend, though, and the Japanese brand is only releasing the first 10 seconds of its spot before the actual premiere. Much like one of Toyota's ads, Nissan is choosing to focus on fathers this year. The story of the commercial is about a racecar-driving dad balancing work and life with his new child, but despite the motorsports connection, the teaser shows cars for just a few seconds. Hopefully, setting the commercial to Harry Chapin's Cat's in the Cradle doesn't make the whole thing too maudlin. We'll be seeing even more from Nissan during the Super Bowl than originally thought, as well. The automaker will now be taking 90 seconds of ad time during the game, rather than the original plan for 60 seconds. Perhaps the extension will give the company even more time to show off its two surprise product cameos during the spot. One of them is rumored to be the first official glimpse at the GT-R LM Nismo LMP1 racer. Nissan lengthens Super Bowl commercial to 90 seconds, teases "With Dad" spot with release of brief clip Nissan back as Super Bowl advertiser after nearly two decades Releases first 10 seconds of its ad as a teaser Announces the in-game commercial has been lengthened to 90 seconds Story will depict the struggle of work-life balance facing many American families Iconic song "Cats in the Cradle" by the late Harry Chapin featured Two surprise products to make cameo appearances NASHVILLE, Tenn. – Nissan, which has been teasing its Super Bowl plans through a one-of-a-kind social media campaign using YouTube "content creator" videos and the hashtag #withdad, is giving the first hint of its in-game commercial by releasing a short preview of the spot today. Nissan previously announced it would feature a 60-second spot in the Super Bowl. The company has increased its stake in the game to a 90-second ad, which it says will tell a unique family story while maintaining a strong Nissan brand connection.

RC car drift video brings Fast and Furious style in 1:10 scale

Taking a cue from Lexus' 2015 Super Bowl ad Let's Play, Falken Tire is proving that RC cars can drift just as well, if not better, than their full-size counterparts. However, to make things four times as exciting, this clip eschews a single hopped-up model hanging its tail out in favor of a quartet of them sliding around together. Starring 1:10 RC versions of popular drift machines like the Nissan S15 Silvia, Mazda FD-chassis RX-7 and Initial D star Toyota Corolla AE86, these cars also get a suite of blinking LEDs to lend some extra color to all of the tire spinning. Plus, the use of well-positioned cameras and a scale model environment almost makes this group look like they're at work in the real world. News Source: Falken Tire via YouTube Motorsports Toys/Games Mazda Nissan Toyota Racing Vehicles Videos drifting drift rc car mazda rx-7 nissan silvia toyota ae86