A leaning conifer with rot or hollow butt will have compression wood.
Nov 27, 1. Open-face notch, aiming with top cut. This is the cut we recommend for most trees on flat or slightly sloping terrain.
It’s safe and the easiest method to get right. The large opening angle (°), ensures that the hinge remains intact until just before the tree hits the shrubremoval.barted Reading Time: 6 mins. However, the top cut can be more than 60 degrees if the tree flares at the butt (see Figure 1).
More sawable wood can be saved when making this type of cut. Make the cut so that the stump height is as low as possible. Cut should be approxi-mately 1/5 to 1/4 into the diameter of the trunk.
Step 4. The bottom cut should be made at a to degree angle off the horizontal. Look into the top cut to. Saw the bottom cut so that it meets the top cut precisely. Make sure you do not saw the bottom cut too deep. If the top and bottom cuts do not meet exactly, you will not have sufficient control over the felling. The proper undercut should be an open face at least 70 to 90 degrees. The best way to form this opening is to make the top cut first. The logger saws in a downward and slightly inward direction until the width of the notch is approximately 80% of the diameter of the tree.
Jun 28, The escape route should be at least 20″ and degree from the tree. The top cut. In open-faced notch, the top cut is made at a degrees downward angle. Typically, this cut faces the desired direction of fall and is from 1/4 to 1/3 of the tree’s diameter. There are two steps to attain this cut. Select the starting point. Mar 05, There are 3 main notch types that individuals can use during tree cutting.
The open-faced notch. The open-faced notch is perfect for trees that require a high level of accuracy. On the off chance that the individual is cutting in a tight spot, where accuracy is pertinent, the open-faced notch is considered the safest and secure notch tree fell on tenants car use. Dec 02, Make your open face cuts to aim the tree. You aim the tree with the first cut, and your aiming aid is the line across the top of the saw.
Line up your eye behind this line and point it at the stick you put at the aiming spot. Cut down on the face of the tree until the bottom of the cut is 80% of the tree diameter. Stand beside the tree and behind your saw, with your chainsaw positioned to begin cutting the top cut of the notch aiming the sights in the direction you want to fall the tree.
The felling sights are raised ridges, indentations or black lines and are located on the top and both sides of the saw body on most professional model chainsaws. Oct 05, The safe felling of a tree using an open face notch consists of making three precise and strategic cuts; the top cut, the pluge cut, and the back or felling cut. Felling wedges can then be used during the final cut to assist the tree in beginning to fall.
Mar 13, The open-faced notch (right) with a bore cut behind it. Be sure to bore well behind the notch - I bored too close to the notch, the hinge crushed and my saw was pinched.
I used a second saw to make a new cut 16 inches above this one. Leaners are obvious, but rotten or hollow butts may not show up until you begin felling trees.