Sentence examples for flaps up from inspiring English sources

Because the blades are attached to a rotor hub by horizontal flapping hinges, which permit their movement in a vertical plane, the advancing blade flaps up, decreasing its angle of attack, while the retreating blade flaps down, increasing its angle of attack.

So in aviation you have flaps up, throttle open, anti-ice off.

He accidentally left the jeep flaps up, covering me and my bags with grime.

When air is flowing, the film flaps up and down, electrically charging and discharging as it rubs against the metal layers, alternating between the top and bottom electrode.

He points out a blue heron that flaps up from his pond and pauses to remonstrate with his sun-loving Staffordshire bull terrier - with 'a face only a mother would love' - for not keeping the rabbits out of his garden.

Lined with faux fur, the unisex styles come with adjustable chin straps, hooks to lift the flaps up, and are available in a range of styles, from grey herringbone to corduroy.

This does not mean flapping up and down the country running a permanent election campaign.

The wings may flap up and down (as they are supposed to do) but they never fall off.

The leafless skeletons of pop lar trees dripped on spread ing mud flats, and upstream two ducks flapped up from reeds, circled the shrinking pond and flew off.

Yap!" Then, most rambunctious of all, it's Tekno, ears flapping up and down like jackhammers, charging toward an open window.

They come onstage, Conti straps them into an animated mask, and – as their rubbery lips flap up and down – improvises them crazy stuff to say.