"What's up now?" Don demanded.
"Forgot my pipe; be with you in a second," Big Jack answered, and returned to the hangar.
An instant later there was a loud and sudden masculine howl.
The others jumped in consternation, but Fred merely grinned. "Forgot it was loaded, I suppose," he said, as they retraced their steps.
"Holy Christmas," gasped the big pilot as they entered. He was tenderly rubbing his right arm and hand. "I got it first," he grinned. "Fool-like, laid my hand right on one of the wires in reaching for my pipe. I'll say you've connected up the juice, all right. Enough there to run a trolley car."
Fred, however, was not listening. He was at the doorway, looking in all directions. "I guess you didn't give it away," he said, "but you sure yelled like a stuck Dutchman."
"Try a little of your own medicine, maybe you'll yell, too," Jack retorted.
"Didn't rig it up for that purpose, thank you," said Fred, a little sarcastically. "But let me suggest that if you're really after a little electrical treatment, put your hand somewhere on the engine. That will tickle you to your toes."
"Toes don't need tickling," Big Jack responded. "I've got my pipe; let's get out."