Again the builders glanced at each other. “Might start her up, and let ’em see how she pulls,” Step suggested.
Sam now noticed that a rope ran from the rear of the machine to a stump, to which it was made fast.
“Oh, you’re anchored, are you?” said he.
“That’s so we can make a test, and judge the power we’re getting from the propeller.”
“Hurrah! Let’s see the wheels go round,” cried Herman.
“Why—why, I guess we can show you,” said Poke.
“Sure we can!” declared Step enthusiastically; and, marching back to the machine, cranked the motor. There was a tremendous sputter, followed by a deafening barking. Step stretched his long arms and tugged at a lever, whereat the propeller began to revolve smoothly and swiftly.
Step shut off the power, and as the noise of the motor ceased peered at his friends. One or two had their hands at their ears, but all appeared to be impressed by the performance.
“Well, what are you going to say now?” he demanded.
“So far, so good,” said Sam. “Only——”