Lost our rudder!

Right full rudder!

Right full rudder.

Flank standard rudder!

Right full rudder!

What's the flap, Dawson?

Right rudder, you idiot!

Right full rudder, sir.

Now right full rudder!

Right full rudder, sir!

Flank standard rudder, sir!

Ease your rudder to standard.

More. More. Kick right rudder.

It's acting like a rudder.

What paper went into that flap?

How would you make a single flap?

Flap your wings, Calam, you can fly!

Let us make a rudder and a sail.

We're going to learn how to make one flap.

Well, there are other ways of making a flap.

I didn't have to try to flap my wings.

He'll take the heat and won't flap his lip.

You expect thanks for causing a flap in my henhouse?

I toss them a dead fish, and they'll flap their flippers.

I'll learn you to flap those big ears of yours at keyholes.

What sail shall discover the winds, and what rudder find our course?

So that's the flap, and all the rest of the paper's left over.

It's very complicated, but it turns out they flap their wings very quickly.

I'm sorry to dash off but there's been a flap at the office.

I've got it! Let's flap over to the east side of the jungle.

And if I make the flap from the middle, it uses a full circle.

Well, if these guns were loaded, you'd be minus your rudder and one wing.

If I put the flap on the edge, it uses a half circle of paper.

One of these days I'm gonna have to flap me up some dust with it.

Text Wind tunnel tests Narrator The wing has no steering controls, no flaps, no rudder.

And you can see there, it needs a quarter circle of paper to make a flap.

Thinking it's your brother, I open up the flap and look out at Leland drinking coffee.

We went from a back rudder to a front rudder to two rudders to multiple rudders to the whole boat changing shape, and the more we are moving forward, and the more the design looks simple and cute.

So, no matter how I make a flap, it needs some part of a circular region of paper.

That's when you use your feet to control the rudder pedals to control the airplane on the ground.

If I make the flap as skinny as possible, I get to the limit of the minimum amount of paper needed.

So I built this small sailing robot with the rudder at the front, and I was trying to pull something very long and heavy, so that's a four meter long object just to pull, and I was surprised with just a 14 centimeter rudder, I could control four meters of absorbent.

Then I was so happy that I kept playing with the robot, and so you see the robot has a front rudder here.

The U.N. you know, they took 20 years just to add a flap to a tent, but I think we have some more exciting things.

And so, I thought, what about if we just take the rudder from the back of the boat to the front, would we have better control?