2018 Subaru Legacy vs 2017: what's the difference?

author Groove Subaru   1 год. назад
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2018 Subaru Legacy Limited 2.5 L 4-Cylinder Review

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The Differences Between Inline Four & Boxer Four Engines

Subscribe for new videos every Wednesday! - https://goo.gl/VZstk7 Related Videos Engine Balance - http://youtu.be/aonbwOxooGA Primary Balance - http://youtu.be/9Bdc9CuBOzc Secondary Balance - http://youtu.be/gdHQ8aTfiQQ 3D Printed I4 - https://youtu.be/LglOUj7AsQA 3D Printed Boxer 4 - https://youtu.be/y5oRsvRH_Ig 3D Printed Models - Big Thanks To Eric Harrell: Straight-4 Model: https://www.thingiverse.com/thing:644933 Boxer-4 Model: https://www.thingiverse.com/thing:1643878 In this video we are going to be comparing inline four cylinder engines with boxer four cylinder engines, and talking about the individual advantages and disadvantages of each engine layout. We have a 3D printed EJ20 Subaru boxer engine, as well as a 22RE Toyota inline-four engine. We’ll start fairly basic and work our way through several different topics for each layout, including the four strokes, the firing interval and order, the vibrations of each layout, the packaging differences, the cylinder head differences, and finally a bit about the sound. Looking at either layout, they’re both based on the same four strokes. Intake, compression, power, and exhaust. Both engines fire one cylinder for every 180 degrees of crankshaft rotation, but they have slightly different firing orders. On each engine, we can see cylinders one, two, three, and four. For the boxer engine, the firing interval is one, three, two, four, while on the straight four it’s one, three, four, two, so the order of the last two cylinders firing is switched. On the boxer engine, you’ll notice the pairs of pistons move in and out together. This means that the primary forces when the piston reaches the top of the cylinder, as well as when they reach the bottom of the cylinder, are canceled out. On the inline four cylinder engine, it’s the same story, the primary forces cancel out as the pairs of pistons reach the top and bottom at the same time. When we get into secondary forces, however, the engines begin to differ. Secondary forces are created due to the piston traveling faster at the top half of the piston than at the bottom half, something I’ll include a link to in the description for a video that breaks it down in great detail. What you need to know though, is that when the piston reaches the very top of the cylinder, or the very bottom, the secondary force points up or out from the piston. Now with the boxer engine, since the pistons point opposite each other, these forces are balanced out, resulting in a very smooth running engine. For the inline four, all of the forces point in the same direction, and thus do not cancel each other out, causing the engine to vibrate unless balancing shafts are used. The boxer engine isn’t perfect, however, because the pistons do not perfectly align with each other, it creates a rocking moment which makes the engine want to rotate back and forth along the vertical axis. What’s fascinating, however, is that if you add two cylinders to either of these designs, whether it’s a boxer six or an inline six, you can perfectly eliminate all first and second order forces and moments. You might think the boxer six would have a rocking motion from the cylinder banks of three, but each bank of three cylinders cancels out the rocking motion of the other, unlike in a V6 configuration. The other biggest advantage of the boxer engine is the low profile, which keeps the center of gravity low and thus reduces the amount of load transfer you have in the car during braking, cornering, or accelerating, which improves grip. With a lower center of gravity, you can also reduce body roll and choose to use softer springs. Additionally, in the event of a collision, it’s easier to position the engine so that it goes underneath the passenger compartment, rather than into the passenger compartment, for improved safety. That’s not to say the inline four doesn’t have it’s own size advantages. Generally it’s a bit more compact, with only one cylinder head, and it’s not quite as wide as the boxer engine. This leaves more room for suspension geometry, and can also allow for a better steering angle, since the tires won’t have as much of an interference at full lock. Don't forget to check out my other pages below! Facebook: http://www.facebook.com/engineeringexplained Official Website: http://www.howdoesacarwork.com Twitter: http://www.twitter.com/jasonfenske13 Instagram: http://www.instagram.com/engineeringexplained Car Throttle: https://www.carthrottle.com/user/engineeringexplained EE Extra: https://www.youtube.com/channel/UCsrY4q8xGPJQbQ8HPQZn6iA NEW VIDEO EVERY WEDNESDAY!

You Hated How The Subaru Outback Did Off-Road: So We Took Your Suggestions and Tried Again!

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The Difference Between AWD vs 4WD

What's the difference between all-wheel drive and 4-wheel drive? 4WD is not on all the time, under normal conditions, only the rear wheels drive the vehicle forward, while the front wheels spin freely. To activate a modern four-wheel drive system, the driver has to push a button or pull a lever to engage it. But four-wheel drive isn't meant to be on all the time so you have to know when to turn it on and when to turn it off. AWD is on all the time, and mostly used in cars, and the computer manages the system. Just going down the highway, the system will send most of the power to the rear wheels, for maximum fuel efficiency, if the road condition changes, such as rain or snow, the system adapts and evenly distributes the power evenly to all 4 wheels, so you have maximum drive grip, with little to no chance of wheel spin. 2WD Cars are less complex than those with AWD or 4WD, and their simpler drivetrains mean improved fuel economy in the long run. In general, cars equipped with 2-wheel drive get better gas mileage than models that use all-wheel drive or 4-wheel drive. Thanks for watching ____________________________________________________________________ ► Wonder World Facebook - https://www.facebook.com/wonderworld.ytc.10 ► Wonder World Twitter - https://twitter.com/WonderWorld_YTC For business enquiries, content submission or copyright concerns or disputes, please contact us me.

2018 Subaru Impreza new model updates, demonstration and walkaround

The new 2018 Subaru Impreza is here! Check out inventory at Groove Subaru: http://www.groovesubaru.com/new-inventory/index.htm What's new on the 2018 Subaru Impreza? Brendan walks us through all the new features: -Higher load capacity on the standard tires -Premium, Limited and Sport models will have auto headlights tied to the wipers -New colors now available: Crimson Red Pearl & Magnetite Gray Metallic The all-new Global platform was released last year so all those new features and designs are on this vehicle as well! Check Us Out Here: https://www.facebook.com/groovesubaru/ https://plus.google.com/+GroovesubaruDenver/ https://twitter.com/groovesubaru CREW Host: Brendan Hancock Producer: Justin McMinn Video Photography and Editing by: Mary Mascarenas http://www.marymascarenas.com/

The new 2018 Subaru Legacy is here!

Check out inventory at Groove Subaru:
http://www.groovesubaru.com/new-inventory/index.htm

But what's the difference on this new 2018 over 2017?
Brendan walks us through all the new features:
-New front and rear bumper design
-Steering Responsive Headlights with a new design
-New rear view mirror design with redesigned BSM indicator
-New chrome exhaust tips
-New door panel design with plus stitching
-New interior trim and more stitching
-New steering wheel design
-New vehicle readout with PSI indicator
-New Starlink 8" touchscreen display
-Apple CarPlay and Android Auto (now standard)
-New AC system control design and readouts
-Optional thin framed rear view mirror

Check Us Out Here:
https://www.facebook.com/groovesubaru/
https://plus.google.com/+GroovesubaruDenver/
https://twitter.com/groovesubaru

CREW
Host: Brendan Hancock
Producer: Justin McMinn

Video Photography and Editing by: Mary Mascarenas
http://www.marymascarenas.com/

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