CHAPTER VII
ANDY TRIES A TRICK
Without loss of time the young inventor and the aeronaut began to repair the damage done to the Red Cloud by colliding with the tower. The most important part to reconstruct was the propeller, and Mr. Sharp decided to make two, instead of one, in order to have an extra one in case of future accidents.
Tom's task was to arrange the mechanism so that, hereafter, the rudder could not become jammed, and so prevent the airship from steering properly. This the lad accomplished by a simple but effective device which, when the balloonist saw it, caused him to compliment Tom.
"That's worth patenting," he declared. "I advise you to take out papers on that."
"It seems such a simple thing," answered the youth. "And I don't see much use of spending the money for a patent. Airships aren't likely to
