buying: What Is a Hot Vee Engine?

Motor future, VW entry: The next few months are crucial

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It's a Hot Vee turbocharger. Why go against the norm when it comes to snail

Formula Vee uses the aircooled boxer engine out of the VW Beetle. There are strict guidelines as to what modifications can be done to the engines . The 1200cc engines are open to a little more modifications than the 1600cc engine . Every engine must run the standard carby, fan shroud and generator housing. What is a " hot inside V" turbo engine ? The engine suffers from far less lag as the short path for the exhaust gases and the heat mean energy is used more efficiently, which keeps the turbos on boost.

So-called "hot vee" engines are becoming more common in modern cars, but what does that even mean, and why does it matter? In short, it's a way of rearranging the location of critical engine components in a turbocharged engine to improve packaging and efficiency.

a close up of a motorcycle engine: bmw twinpower hot vee © the Manufacturer bmw twinpower hot vee

What Makes a V Engine Hot or Cold?

The hot in "hot vee" refers to the exhaust system and where it's located. The cold side is the intake. Internal-combustion engine design has long experimented with the exact locations of the intake and exhaust ports, but today you'll find them on opposite sides of the engine. Air and fuel are drawn into the cold side, are combusted, and exhaust is pushed out the hot side. Think of a single cylinder, and it's easy to picture the two sides.

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A vee engine , by definition, is an internal combustion engine with cylinders oriented in a vee shape. Two banks of cylinders with an angle between, as differing from an inline engine . A rotary engine is an engine where there are no cylinders per se, just a combustion chamber with a rotor of some shape turning within it creating pockets of compression that carry out the function of cycles in a standard engine .

So what is a hot V engine and how does it benefit forced induction? With the balance between the engine and the turbochargers able to be better controlled due to their close proximity in a hot V engine , throttle response is much sharper making the car itself much easier to control. The hot V setup has grown in popularity with manufacturers recently, with AMG producing the its 4.0-litre V8 for the AMG GT, C63 and soon E63 with hot twin-turbos, as well as Porsche introducing the concept to its new Panamera .

A V configuration engine joins two banks of cylinders at their bases, and each bank has its own hot and cold side. Traditionally, the cold sides are paired so they're on the inside of the V and the hot sides are on the outside. This has many packaging and cost benefits, allowing engineers to place a single intake manifold in the center of the V that can feed both banks of cylinders while exhaust manifolds on the outsides of the V can easily route down and around various other components.

  What Is a Hot Vee Engine? © the Manufacturer

Why Would You Want a Hot V?

While the traditional layout works great for naturally aspirated engines, it's not as optimal for turbocharged engines. This is true for several reasons, including the fact that turbochargers take up more space in an engine compartment than exhaust manifolds, making them harder to fit in the same area. Turbos are also more efficient the shorter the intake and exhaust paths are, getting more work out of the exhaust and providing more boost to the intake with less lag.

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For years most turbocharged vee engines hung the turbos off the exhaust manifolds on the outboard side of the engine , with intake air entering in the valley of the vee . Lately there's been a push toward reversing that and feeding intake air into the outboard sides of the vee with the exhaust plumbing See all 5 photos. What Are the Different Types of Supercharger? Because of the need to package a turbocharger near the exhaust, its form factor leaned toward a centrifugal (turbine-type) compressor from the beginning. Belt-driven centrifugal superchargers are also available and are likewise fairly

6. Radial engine It is an engine with pistons position in circular plane around the central crankshaft. The connecting rods of pistons are connected to a master rod which, in turn, connected to the crankshaft. According to air intake process: 1. Naturally aspirated In this types of engine intake of air into cylinder occur by the atmospheric pressure. 3. Turbocharged engine In this type of engine intake air pressure is increase by use of a turbine compressor driven by the exhaust gases of burning fuel. We have discussed What is Engine ?

A hot vee engine addresses both of these issues by locating the turbochargers inside the V and reversing the intake and exhaust sides of the engine. Doing so places the bulky turbochargers out of the way and a pair of slim intake manifolds on the outsides of the V where they take up less space than traditional exhaust manifolds. This allows a twin-turbocharged engine to fit in a space designed for a more compact naturally aspirated engine.

Because there isn't much space inside the V, this configuration naturally pushes the turbochargers as close to the exhaust ports as possible. This is good for power, response, and efficiency. Turbochargers work by harnessing the heat and velocity of the exhaust to drive a turbine that compresses the intake air. Compressed air can then be combined with more fuel to create more power than is possible without compression. To get the most out of the exhaust, you want to minimize any loss of exhaust heat and velocity before it reaches the turbocharger, so closer is better. This means the turbocharger will be activated more quickly, reducing turbo lag and turning as much exhaust energy into compressed air as possible.

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Sep 2, 2019 - Mercedes is making a bit of a fuss about its new 4.0 liter twin-turbo V8 that relaxes under the spacious hood of the new AMG GT. They point out that the turbos are nestled between the V8's cylinder banks, a ' hot vee .' Merc is far from the first to try this layout.

What Cars Have Hot Vee Engines?

The most common type of hot vee engine today is the V-8, and you'll see it most commonly on high-end luxury vehicles. The BMW X6 was the first vehicle to utilize a hot vee engine, and today all V-8s from BMW, Mercedes-Benz, Audi, and Porsche have this configuration. Cadillac adopted the layout for its short-lived Blackwing V-8 in the Cadillac CT6 and Toyota recently filed a patent for a hot vee engine it may use in upcoming Toyota and Lexus products. A six-cylinder hot vee engine is found in the McLaren Artura supercar.

This charged search engine could run the rank .
Neeva - that's the name of the new Google competition, which is chargeable, but is completely advertising-free and thus works without the tracking of user data. © Provided by Daniel Roland / AFP / Getty Images Chargeable search engine Neeva offers advantages regarding privacy Five US dollars per month: So much the novel search engine called Neeva, which now costs the old search engine giant Google Competition power. However, this is available for the time being only in the USA.

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