This log arch was designed for skidding large logs out of the woods to the sawmill. Occasionally a hand truck is used for skidding much bigger logs than this one. This log is a Black Cherry log approximately 20 inches in diameter and 8 feet in length. This video demonstrates the operation and use of this device.
Dimensions
Looking at the back of the arch where the wheels are mounted. The height of the inside of the pipe to the ground (when hitched up) is 39 1/2" by a width of 32 1/2" (inside the pipes). The arch is made from forged steal gas well pipes but any type of strong steel will work. The wheels are mounted onto the arch with a piece of 3" channel with small pieces of steel for brackets to mount automotive wheel bearings to. At the top of the arch there are two pieces on angle 28" long with 3/4" holes drilled so the hook can be moved, and also so lager longs can be hauled without having an extremely long log arch. At the front of the log arch (where the hitch is mounted), there is a piece of angle 18" long for the three support pipes to mount to. Each of the outside bottom pipes is 61" long and is welded to the inside of the angle for better support and strength. The pipe in the middle was just cut to fit. However, since it did become hard to pull up the bigger logs with the pulley system seen in this video, we built a new bracket so the belt rides over a pulley, then through another pulley with a bracket to hook the log tongs onto, then back up to the top and mounts to the frame to allow a 2:1 mechanical advantage (Similar to how a block and tackle works).
27 сен 2011
