Logging; the principles and general methods of operation in the United States . k of the forward pair of wheels. The logs are swungunder the rear pair of wheels and only the forward ends of thelogs are raised from the ground. The forward pair of trucksmay be detached and used for skidding purposes, in which case 186 LOGGING the log is suspended under the axle by means of grabs, or carts do not possess any special advantages over a wagon,but are preferred because laborers are famihar with their use. The usual maximum length of haul is 500 yards, but it issometimes extended to a mile
Logging; the principles and general methods of operation in the United States . k of the forward pair of wheels. The logs are swungunder the rear pair of wheels and only the forward ends of thelogs are raised from the ground. The forward pair of trucksmay be detached and used for skidding purposes, in which case 186 LOGGING the log is suspended under the axle by means of grabs, or carts do not possess any special advantages over a wagon,but are preferred because laborers are famihar with their use. The usual maximum length of haul is 500 yards, but it issometimes extended to a mile or more in scattered timber. The average load per cart varies between 200 and 400 feet, logscale, with a daily output of from 3500 to 5000 feet, log scale, fora one-fourth mile haul. The cost of hauling and loading underthese conditions will range between $ and $ per thousandfeet. Four-wheeled Wagons. — These are strongly constructed, with32-inch to 38-inch front wheels and 34-inch to 40-inch rear wheelsof wood or steel, 3-inch to 6-inch tires,^ extension reach for. Fig, 48. — A Four-wheeled Log Wagon at the Skidway. Missouri. handling logs of various lengths, heavy bolsters with adjustableblocks, stiff tongues for oxen and drop tongues for horses andmules, and cast or steel skeins, or steel axles. They have a rated ^ Some loggers prefer 3-inch to 3 J-inch tires for two animals, and 4-inch to 5-inchtires for four animals. WHEELED VEHICLES 187 carrying capacity of from 5000 to 15,000 pounds. Spikes areused on the back bolster to prevent the logs from sUding for-ward when hauling in a hilly region. Steel axles are not aspopular as skeins, because of the difficulty of repairing them inthe camp blacksmith shop. Log wagon wheels are sometimes boxed with boards to keepmud from accumulating on the spokes. The box is constructedof rough boards nailed to the rims and closely fitted around thehub. From two to five mules or horses, and from six to ten oxenare generally used fo
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisheretcet, bookyear1913
