Ned Newton had ridden many times with his chum Tom, and the sensation of glidding through the upper regions was not new to him. But this time there was something different. The propellers seemed to take hold of the air with a firmer grip. There was more power, and certainly the speed was terrific.
"We're going fast!" yelled Ned into Tom's ear.
"That's right," agreed the young inventor. "She'll beat anything but my Sky Racer, and she'd do that if she was the same size." Tom referred to a very small aeroplane he had made some time before. It was like some big bird, and very swift.
Up and onward went the remodeled airship, faster and faster, until, when several miles had been covered, Ned realized that the young inventor had achieved another triumph.
"It's great, Tom! Great!" he yelled.
"Yes, I guess it will do, Ned. I'm satisfied. If there was an international meet now I'd capture some of the prizes. As it is"
Tom stopped suddenly. His voice which had been raised to overcome the noise of even the muffled motor, sounded unnaturally loud, and no wonder, for the engine had ceased working!
"What's the matter?" gasped Ned.
