"Well, I shall try the Cardite motor to-morrow," announced Professor
Roumann one night, after a hard day's work on the projectile.
"Do you think it will work?" asked Mr. Henderson.
"I think so, yes. My experiments have made me hopeful."
"And if it does work, when can we start?" asked Jack.
"Two days later; that is, if everything else is in readiness, the food
and other, supplies on board."
"They are all ready to be stowed away," said Andy Sudds, who had been
hunting all day.
It was an anxious assemblage that gathered inside the big shed the next
day, to watch Professor Roumann try the Cardite motor. Would it work as
well as had the Etherium one? Would it send them along through space at
enormous speed? True, they would not have to travel so far, nor so
fast, but more power would be needed, since, as it was feared no food,
water, nor air could be had on the moon, many more supplies were to be
taken along than on the trip to Mars, and this made the projectile
heavier.
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