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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

Subaru funds Center For Pet Safety crash testing for dogs [w/video]

Crash-testing new vehicles to evaluate their ability to keep humans safe in accidents is nothing new, but thus far there has been little in the way of crash testing for dogs. Subaru, a company that portrays itself as pet friendly, hopes to raise awareness on the issue of pet safety by funding initial crash testing by the nonprofit Center for Pet Safety, Automotive News reports.
Real dogs were not used in the crash tests; three dummy dogs representing a 25-pound terrier, a 45-pound border collie and a 75-pound golden retriever were used. There are a variety of devices for sale that are supposed to restrain dogs from entering the front-seat area and distracting the driver - tethers, cages, nets and crates - but their effectiveness in a crash is unknown.
In Subaru's crash test, performed at a Virginia laboratory that tests child seats on a device that speeds down a track and stops abruptly, the results show that devices such as dog tethers are prone to break in a crash, sending the dog rocketing into whatever is in front of it. Rather alarmingly, the organization reports a 100-percent failure rate. In other words, "None of the harnesses were deemed safe enough to protect both the dog and the humans in the event of an accident." Yikes.

2019 Subaru Forester Drivers' Notes Review | Space with a view

The Subaru Forester, launching in the 1990s, is one of the earliest crossover models, blending SUV design and capability with car-like handling and refinement. For 2019, the Forester was completely redesigned, though it might be hard to tell. The styling is conservatively updated, and the boxy, upright design people seem to like it kept as untouched as possible. One of the bigger changes is the under-the-hood offerings. The 250-horsepower turbocharged 2.0-liter flat-4 has been dropped completely. Also, the standard 2.5-liter naturally aspirated flat-4 no longer offers a manual transmission option. On the upside, power has increased from 170 horsepower to 182, and torque increases from 174 pound-feet to 176. Editor-in-Chief Greg Migliore: I spent a couple of nights in the 2019 Forester and I generally liked it. The new gen feels fresher, without overt changes. The front end looks great. All of the sharp design lines, the now-standard LED headlights and the prominent grille work together to make a statement. Subaru, Ford and plenty of others, all seem to have taken a page from Audi's playbook of using piercing headlights and a simple yet sporty silhouette. It works. The back is not as good. The last Forester looked cleaner. This one looks like a Honda CR-V knock-off. It's tough to make rear styling in a crossover great, but the Forester went in the wrong direction. Overall, though, it's a good looking machine, stem to almost stern. Inside, the visibility is outstanding. The pillars are relatively thin and the seats are mounted up rather high. You can see out of this thing in all directions. The Forester has always had a good greenhouse feel, so I'm glad that continues. Inside is more of a mixed bag. The cabin pieces and shapes are a little cheap and odd. This one, done up in almost all black with some leather, is decent, but I'd prefer a simpler aesthetic. The boxer four is fine. It works hard to build speed, but it channels mid-range power and blasts by slower moving traffic. The Forester rides better than ever, thanks in part to Subaru's new global platform. Steering is a little light in a good way, the brakes have a solid grab and in general, I like driving the Forester. I'm more of an Outback guy, but Subaru has fortified the Forester in enough ways to keep it competitive. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.