CVT Disadvantages (Continuously Variable Transmission)

Disadvantages of CVT Transmission 

Vehicles with CV transmission have advantages but there are a few CVT disadvantages, too, which might bother you while driving the CVT transmission car. Vehicles with CVT transmission have the following problems, or you may experience these problems, if you are accustomed to driving cars with traditional transmission system.

1. Some cars with CVT transmission produce some noise when you accelerate.

2. User acceptance. While driving vehicles with CVT transmission, you get a feel like of a slipping clutch or as though the car is only accelerating and not shifting up the gear proportional to the speed. This is normal to CVT cars, and comfortable as well. but some people do not like this way how engine accelerates.

3. Due to unlimited gear ratios, you don't experience high RPM at most times because CVT always keeps the RPM at the lowest. It gives feeling sometimes that the engine is not powerful or you may even feel that the car is not accelerating.  That's an advantage really because you don't feel high noises of the engine because it is always at the lowest RPM possible.

These were the disadvantages of CVT transmission. You will also like to read about the Advantages of CVT Transmission.

CVT Transmission Advantages (Continuously Variable Transmission)

CVT Introduction

Before I move on to the CVT transmission (Continuously Vehicle Transmission) advantages, let us first learn what CVT system is and how it differs from traditional automatic transmissions.

In traditional transmissions, only a few no. of ratios provided by the gear, whereas in CVT transmissions, unlimited ratios of gear are provided. When the car cruises, the gears are automatically shifted up or down to infinite number of ratios. And depending on the car load, and whether the car is going downhill or uphill, the CVT transmission automatically adjusts and maintains a gear to provide maximum acceleration as well as fuel economy.

Advantages of CVT Transmission 

Vehicles with CVT transmission offer a very good and smooth drive. More and more cars are being built with CVT transmission systems, because of the advantages of the CVT transmission. The following are advantages of the CVT transmission:

1. Since the gear shifts up earlier, you get better fuel economy.

2. While driving, during gear shifting you do not hear a sound or get a slight jerk-feeling like you do in conventional  automatic transmission cars.

3. You get improved driving performance, better acceleration.

4. The unlimited gear ratios help in maintaining a steady drive and cruising speed.

5. CVT transmissions can vary the engine speed as needed to obtain maximum power and maximum fuel efficiency. And this is the best advantage you get from the CVT transmission installed cars!

These were advantages of CVT transmission. Which auto transmission do you like, CVT or conventional? Comment below, letting us know what do you think.
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8 Interesting Facts about Boeing 777x

The Boeing 777x is expected to be seen in the space from 2020. The 777x will come in three variants: 777-8, 777-9 and 777-10x. Making of the 10x version is only proposed and not finalized yet. All the versions of the  Boeing 777x airplane will have new engines, new design and new technology for more efficient flying and better passenger experience. Read on for interesting Boeing 777x facts.

Boeing 777x Facts

1. Boing 777-8 and 777-9 are coming out to compete with Airbus A350, and the 777-10x is intended to compete with Airbus A380, which is the largest commercial airplane now.

2. The newer design will have higher ceilings, larger windows, increased humidity and cabin pressure for even better breathing.

3. This will be the 1st ever airplane to have folding wing-tips. This is to allow the plane to have shorter wingspan when it is moving on the runway.

4. Orders for 306 Boeing 777-8 and 777-9 airplanes combined have already been placed by Qatar Airway, Emirates, Etihad Airways, Lufthansa, Cathay Pacific and All Nippon Airways.

5. The Boeing 777x will use General Electric's engine GE9x that will burn 10% less fuel than the older engine models.

6. The Boeing 777x will be the first ever airplane to have touch-screens in the flight deck.

7. The 777x is going to be the world's longest commercial airplane ever.

8. The primary structure material for the 777x will be made in Al Ain, UAE, rather than at the native airplane material production units in Europe.

These were the facts about Boeing 777x. Hope you enjoyed them!

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Top 10 Largest Airplanes by Passenger Capacity

List of Largest Airplanes

Are you into airplanes? Are you a frequent traveler or you just like to learn about airplanes? Then, read on and learn about the top 10 largest airplanes by their seating capacity.

1. Airbus A380

This is the world's largest commercial aircraft. It comes in two different versions - one can accommodate 853 passengers and the other can house 644 passengers. Learn more about Airbus A380 in 15 interesting facts about A380

2. Boeing 747-8

This comes 2nd in the list of largest commercial aircrafts in the world. It can accommodate 410 passenger. Although it is a much smaller aircraft than A380, almost half quantity of the A380 have been built so far.

3. Boeing 747-400

This aircraft can accommodate 624 passengers in one version of the aircraft, and 524 in the other version.

4. Boeing 777-300

This aircraft has 550 seats in one type of it and 451 seats in the other one.

5. A340-600

This aircraft has capacity to accommodate 326 passengers and 475 passengers in the other model.

6. Boeing 777-200

This aircraft has 440 seats in one of is two models and 400 seats in the other one.

7. Airbus A350-900

Airbus A350 is one of the new models by Airbus. A350-900 has capacity to accommodate 325 passengers in one model and 440 in the other one.

8. Airbus A340-500

This aircraft can carry 372 passengers and its other model has seats to carry 313 passengers.

9. Airbus A333-300

This airplane can carry 277 passengers and its other model can carry 440 passengers.

10. Airbus A340-300

The last on the list of largest airplanes by passenger capacity is A333-300.This aircraft can carry 267 passengers and its other model can carry 295.

As you can see that even the last one in the list of largest aircrafts by seating capacity can carry a huge number of passengers (295). Imaging how big the A380 is, which carries 853 passengers! It would definitely be a great experience boarding this plane and even the others that are mentioned in the list. Traveling in airplane, especially if it is huge, spacious is very joyful.

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Most Popular Certifications for Civil Engineers

Are you a Civil Engineer? You may like to look at the top certifications for Civil Engineers, which are highly in demand by the employers:

FE (Fundamentals of Engineering)

The exam fee is US$ 225. This is a first step for anyone before he/she can go for EIT or PE certification. Exam registrations for FE, PE, EIT are done online at http://ncees.org/ and the exam is held at Pearson VUE testing centers worldwide.

PE (Professional Engineer)

Pass rate for Civil Engineers is about 70%.   Course fee in US is about $1400.   Exam fee is US$ 350

One needs to work under a Professional Engineer for 4 years, should be a graduate   and pass the FE (Fundamentals of Engineering) exam before he can become eligible for the PE exam.

EIT (Engineer in Training)

One needs to have passed FE (Fundamental of Engineering) exam, should be a graduate and must have a least four years of engineering experience to be eligible to sit in the EIT exam. Pass rate for Civil Engineers is 75%. The exam fee is US$ 80

Oracle Primavera

It is a must-know software for every Civil Engineer. Primavera allows detailed planning, execution, tracking and monitoring of project work. 

There are huge benefits of using Primavera, and every Civil company whether in US or abroad requires its employees to know Primavera.

Once the training is obtained, one can sit in the Oracle Primavera exam, by registering online at oracle.com. The exam fee is US$ 215 and it's a 105-minute exam, with 67% passing marks. There is no requisite to sit in the Primavera exam.

PMI-SP (Scheduling Professional)

This certification is about scheduling concepts and teaches how to effectively plan and monitor project work, using different tools, techniques and methods.

The exam is held at Prometric testing center. One can register for the exam at pmi.org. The exam fee is US$ 670

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