“Then win the day!”

“I’ll try.”

“Give him a start,” cried the enthused aviator to the men about him; and in thirty seconds the racing monoplane was once again driving for the sky.

All that Worthington had said about the monoplane the machine certainly deserved. Dave had never handled so capable a flyer. It was equipped with a marine compass for cross country work, and the acetylene lights for night flying.

“Grass cutting to the heart’s content in this beauty!” cried Dave.

He was all on his mettle, the way things had turned out, and made a superb start. The machine was in splendid trim. Dave took one good look ahead, behind and sideways, and then devoted all his attention to the business of the hour.

He had studied out the route the day previous. As on the hill at Clyde, each town on the course had a white flag hoisted at the highest point in town, with the monogram in black of the national aero club.

It was about thirty-five miles to the turning point, fifty more back. As Dave started the return dash, he passed his rivals straggling along, the nearest one five miles from the first goal.

Once on the return trip, Dave dropped to the ground, on a level meadow where a gaping farmer and his four employees stood fascinated at his graceful descent. The engine was not working at its best speed. Dave gave it a brief rest, impressed the farm hands into service, and started up the engine by swinging the propellor. This operation required more caution than cranking an automobile. With the switch off, Dave turned the propellor several times to fill the cylinders with gas, leaving it just ahead of the dead center of one of the cylinders, and with one blade extending upwards. Then he was off on the home stretch.

It was plain sailing now. Town after town Dave passed and then he saw the aero course in the distance. He made straight for the grounds, for two machines were racing at their best only a mile distance in his wake. As the gasoline was consumed the monoplane increased its speed, and as the essence gave out, just before making the final landing dip, the machine must have been making over seventy miles an hour.