fly higher tutorial iii helicopters (small)

7/23/2019 Fly Higher Tutorial III Helicopters (Small)

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The Fly Higher Tutorial III

Helicopters

Where are the wings?

Eurocopter EC1


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Leonardo da Vinci designed the rst !helicopter style"aircra#t which he called the Helical air screw.

Though drawn with instructions on how it would operateit was ne$er %ade or tested at the ti%e. &odern dayphysics suggests this would not fy.

Youshould

haveheard ofLeonardoda Vinci!What else

is he most

First:'o%e History


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Was not only a pre-eminent scientist andengineer in his time (late 1thentury"#ut also(.

$ fantastic artist%#est &no'n for

painting )ona Lisa

$nd a pioneering student of humananatomy% illustrated #y this famous

diagram: *he Viruvian )an+

and the mural *heLast ,upper+

Leonardo da Vinci'o%e History


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It too) *+ years %ore #or%an to per#ect the design o#

the helicopter. In 1,**- gor,i&ors&y- a ussian /orn0%erican- few the rst%ass produced Helicopter-the Sikorsky R-4.

In 1,+- two French /rothers%Louis-harles and .ac/ues0rguet- /egane2peri%enting with wingshapes #or helicopters in

1,+4 they success#ullyde%onstrated the potential #orrotarywinged fight with6yroplane 7o 1.

First Wor&ing 2elicopters'o%e History


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First Wor&ing 2elicopters'o%e History

'ource 8outu/e Helo'ociety

3arly ta&e o4 of a ,i&ors&y 5-6#helicopter7

Please watch video 1ta)e o9 o# a 'i)ors)y */ helicopter

Source YouTube Helo'ocietyEdition Fl Higher


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Today"s helicopters co%e in %any di9erent si:es and can #ull a$ariety o# roles. They also $ary in how they operate and wor)

when in fight.

In your groups try to thin) o#as %any di9erent roles #orhelicopters as you can- andwhy they are pre#era/le toaeroplanes in each case you

descri/e.

*oday8s 2elicopters

0oeing 2-69

hinoo&;

5o#inson 5;;

,i&ors&y 2-1;6 ,ea


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>

11 9

@

6

A

1B

1

0s a class or ingroups can you wor)out what are each o#these parts o# theHelicopter" 5otor7 'haped li)e aeroplanewings- these spin around togenerate the reDuired li#t #orthe aircra#t.

@" 3ngine7 This powers thehelicopter and co%es in$arying types and si:es.

1B" *ransmission7 This part

con$erts the hori:ontalturning %otion o# the engineinto a $ertical %otion whichspins the %ain rotors.

11" ,'ash Clate7 0 co%ple2

arrange%ent o# connections

Carts of a 2elicopter

$D,W35,: CtAPowerplant !ain

Rotor


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0s we ha$e seen pre$iously- the otor /lades spin aroundand loo)ed to /e shaped li)e wings- /ut how does this get a

helicopter into the air

fly higher tutorial iii helicopters (small)

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