as it does at present. How's the gas generator, Tom?"
"Seems to be all right," replied the young inventor, who had relinquished the wheel to the balloonist.
They ate an early supper, and, hardly had the dishes been put away, when from the west, where there was a low-flying bank of clouds, there came a mutter of thunder. A little later there was a dull, red illumination amid the rolling masses of vapor.
"There's the storm, and she's heading right this way," commented Mr. Sharp.
"Can't you avoid it?" asked Mr. Damon, anxiously.
"I could, if I knew how high it was, but I guess we'll wait and see how it looks as we get closer."
The airship was flying on, and the storm, driven by a mighty wind, was rushing to meet it. Already there was a sighing, moaning sound in the wire and wooden braces of the Red Cloud.
Suddenly there came such a blast that it heeled the ship over on her side.
"Shift the equilibrium rudders!" shouted Mr. Sharp to Tom, turning the wheel and various levers over to the lad. "I'm going to get more speed out of the motor!"
