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A car that has worked perfectly all summer simply refuses to start, and the storage battery that operates the self-starter is exhausted and powerless. The sensible course is to have the car put in condition for winter before the first cold snap congeals the crank-case oil.
Then he crawled in under the wagon, reappearing with a lick of grease over one eye. "It gets me," he said. "I ran a little oil out of the crank-case on general principles, and chased up the magnets but everything's tip-top as far as I can see!" "Suppose you crank up and let's try again," said the girl. But the car went worse than ever.
Each cylinder was bolted to the crank-case and set out of line with the crankshaft, so that the crank has passed over the upper dead centre by the time that the piston is at the top of its stroke when receiving the full force of fuel explosion.
When you have practically spent your entire day sprawled under a balky car, with a piece of dirty mat between you and the cement floor, your view limited to crank-case, transmission, universal, fly-wheel, differential, pan, and brake-rods you can do with a bit of colour in the evening. And just here was where Chippewa failed Chug.
Now it is all done by a machine which will make twelve hundred radiator cores in eight hours; then they are soldered in place by being carried through a furnace by a conveyor. No tinsmith work and so no skill are required. We used to rivet the crank-case arms to the crank-case, using pneumatic hammers which were supposed to be the latest development.
The motor was a forty-horse power automobile machine with a crank-case enclosed in an outer case in which a vacuum had been created on the principle of the bottles which keep liquids cold or warm. In this instance the vacuum served to keep the oil in the crank-case, which was poured in warm, at an even temperature.
The Golden Eagle's vacuum tank and crank-case were attached and a supply of non-freezing oils and gasolene drums, carefully covered with warm felt, taken on board. "Your instructions are," were Captain Hazzard's parting words, "to fly to the southward for a distance of a hundred miles or so, but no further.
In order to get at the main bearings of the engine he had, with characteristic disregard, stood plunk in the copper drain basin under the crank-case. The oil had undoubtedly softened the rubber sole of his sneakers so that it held the clinging substance, and in some cases it was possible to distinguish on the ties the half-obliterated crisscross design of the rubber sole.
Connecting rods and crankshaft are of steel, the latter being machined from a solid steel forging and carried in five roller bearings and one plain bearing at the forward end. The front end of the crank-case encloses reduction gear for the propeller shaft, together with the shaft and bearings.
This machine ran on three wheels before leaving the ground, a central undercarriage wheel being fitted in front, with two more in line with a right angle line drawn through the centre of the engine crank at the rear end of the crank-case. The engine was a 35 horsepower Vee design, water cooled, with overhead inlet and exhaust valves, and Bosch high-tension magneto ignition.
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