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They do not use mufflers.
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∙ 10y ago
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How loud is a Robinson helicopter?
Compared to other helicopters they are very quiet.
Why do you have to wear headphones on a helicopter?
The noise from the helicopters propellers are so loud you wouldn't be able to hear the other person. The headphones have speakers inside them to allow communication while also providing protection from the loud noise.
Why do you have helicopters?
so we can fly
Why do army helicopters have two blades?
the helicopters are bigger so there needs to be a greater weight distribution
Were helicopters used in World War 1?
Yes, helicopters were used in WW1. Don't be silly, helicopters were invented towards the end of WWII.
Why a helicopter chopper?
Q: Why is a helicopter called a "Chopper"? A: I think the names comes from the sound of the blades make: whop-whop or chop-chop. FYI, the helicopters that have the loud popping of the blades are usually a 2-blade of the Bell Helicopter design. The multi-blade helicopters do not have a sound as distinctive as the Bell helicopters. The sound comes from the blade striking the vortex generated by the blade ahead of it.
How loud is a cannon?
It is so loud, sometimes it can break the membrain in your ear and make them bleed.
Why were helicopters ivented?
for tourists so they can look at the places at birdsview.
Why do helicopters get sick so often math worksheet?
re-write that so we can understand
Why do helicopters have lights?
Helicopters have lights because of night operations. In the city they air lift people to the hospital, sometimes at night, so the helicopters can hit buildings at night without the lights. All aircraft have 'running lights' on them. That is so other aircraft can see them and tell which direction they are traveling.
why is church so fun but loud at the end?
it just loud
What do helicopters pilots do?
They fly helicopters.
