20 Best Helicopter Questions and Answers (Q&A) - ProProfs Discuss

How many types of helicopters are there?

J. Shatner, Content writer
Answered: Sep 03, 2018

There are a total of 155 types of helicopters. These include military and civilian rotary wing aircraft and related systems in the military factory. To name a few: Multi-Role Helicopters,...Read More

1 Answer

2102 views

What is a Jesus nut in helicopter?

L. Hawkes, Teacher
Answered: Sep 03, 2018

The Jesus nut or Jesus pin is the master rotor retaining nut that holds the main rotor of the helicopters. It is a fist-sized steel part, which holds the weight of the aircraft by the top of the...Read More

1 Answer

789 views

Which helicopter can fly the highest?

J. Shatner, Content writer
Answered: Sep 03, 2018

The majority of helicopters cannot fly above 8,000 ft. The SA .315 Lama, however, set a record by flying at 41,000 feet. It regularly operates at over 20,000 feet. It is the world's...Read More

1 Answer

695 views

Why is main rotor retaining nut called Jesus pin?

L. Hawkes, Teacher
Answered: Sep 03, 2018

There are many terms associated with rotary wing flight. The main rotor retaining nut which holds the main rotor is called a Jesus pin because of Igor Sikorsky. He was a profoundly religious man,...Read More

1 Answer

462 views

What helicopters are used in the military?

C. Marcus, Content Developer
Answered: Sep 03, 2018

Military helicopters are either specifically built or converted for use by military forces. A military helicopter’s mission is a function of its design or conversion. The most frequent use...Read More

1 Answer

349 views

What helicopters model is the most popular?

L. Hawkes, Teacher
Answered: Sep 03, 2018

The Robinson R22 Beta II is the most popular civilian training helicopter in the world. The Beta II is the newest and most powerful model of the Robinson 2 seat helicopter ever produced. This...Read More

1 Answer

347 views

What purpose the helicopter was invented?

L. Hawkes, Teacher
Answered: Sep 03, 2018

Leanardo Di Vinci was fascinated by the idea of man flying. Paul Cornu, a French engineer, designed and built a helicopter with an engine. Another French engineer, Etienne Oehmichen developed a...Read More

1 Answer

340 views

Who invented the first helicopter?

C. Marcus, Content Developer
Answered: Sep 03, 2018

Igor Sikorsky, a Russian aeronautics engineer, and inventor is known for crafting the first four-engine plane and the first working helicopter. He was born on May 25, 1889. He studied in Russia...Read More

1 Answer

339 views

What is the difference between transient and static droop?

Proavi
Answered: Apr 18, 2024

Under-swing

1 Answer

325 views

Which are the world's fastest helicopters?

J. Shatner, Content writer
Answered: Sep 03, 2018

The most high-speed military helicopter is the European Helicopter X3. The AH 64D Apache is a four blade, twin turbo helicopter with tail-wheeled landing gear. The Mi-26 is a heavy-duty transport...Read More

1 Answer

315 views

How expensive is a helicopter?

L. Hawkes, Teacher
Answered: Sep 03, 2018

The price of a helicopter varies widely depending upon which type you choose to buy, but prices for used helicopters rarely start below $60,000 for personal crafts. New helicopters are far more...Read More

1 Answer

315 views

What principle does the delta 3 hinge use?

Proavi
Answered: Apr 18, 2024

Offset hinges

1 Answer

313 views

When and how did the first helicopter take flight?

C. Marcus, Content Developer
Answered: Sep 03, 2018

On September 14, 1939, the vs-300, the world's first practical helicopter took flight at Stratford, Connecticut. It was designed by Igor Sikorsky, and it was built by the Vought Sikorsky Aircraft...Read More

1 Answer

278 views

How much does comeone cost if they own a helicopter?

L. Hawkes, Teacher
Answered: Sep 03, 2018

The R22, for example, is considered to be one of the world’s most economical helicopters. It carries a base list price of about $250,000 brand new. They often range from around $100,000...Read More

1 Answer

273 views

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