47 feet
"fantastic" is pretty long.. (3 syllables) I thought "helicopter" was the longest, but "er" at the end is a phonogram.
The Helicopter with the long propellers creates more list and has to do less rotations, and use less power than the one with short proplellers. Therefore Helicopter with the long propellers will hover and stay in air longer than the one with short propellers.
No. The submarine came about long before the helicopter.
The longest song ever in the USA was 75 minutes
Limousines can be stretched, so that they are as long as a train. The longest limousine in the world had 26 wheels, an swimming pool, a bed, and a helicopter landing pad! It was 100 feet long -about 10 times longer than a family car.
The longest car in the world is 30.5 Meters it's a limosine, and has such luxeries as a swiming pool, bar, and even helicopter landing pad on the back!
I doubt that any helicopter can fly from Antarctica to Australia.
A helicopter should be a be able to hover as long as it has fuel to. And the current atmospheric conditions and pilot fatigue levels permit.
How long is Ussr's longest river?
What would you call "average". I don't see there is an "average" helicopter, all are different.
It hovers as long as the fuel tank lasts.
The longest fingernail ever was...