MasterBlaster
Administrator Emeritus
Bullcrap physics.
"Triangle" Method of Falling Head Leaners to Prevent Barber Chair?
- Thread starter rfwoody
- Start date
- Replies 55
- Views 11K
murphy4trees
TreeHouser
that's an interesting perspective
.
Marc-Antoine
TreeHouser
Look at it from this point of view : forget the hinge, it isn't the fiber's pull which makes the trunk splits, but only the bending of the trunk. How much bending a particular tree / specie can tolerate is the concern.
Find a way to avoid the excessive bending in the trunk and you will be all fine.
Then come all the cuts and hinges things regard with the lean and internal cohesion forces.
You can find different approaches between the advised techniques.
- Hold it back or reduce the force by cutting out a good part of the crown, it won't barberchair even with a bad cut.
- Cut it with a light saber, it can split partially by releasing the internal stress but you can't get a barberchair. So look at the speed cutting by side cuts and triangle cut (the one firstly presented in this thread). Boring the back cut belongs to this category too.
- Weaken the wood at the base to avoid building up forces. Coosbay doesn't live much fibers at the compression area, they crunch under the increasing load and can't hold the low side of the trunk. At the same time, it plays with the lever arms too. Boring the face weakens the future tension side (when the saw will come in this area).
Dissecting the cuts and looking precisely at their different effects in the process should be very interesting.
Find a way to avoid the excessive bending in the trunk and you will be all fine.
Then come all the cuts and hinges things regard with the lean and internal cohesion forces.
You can find different approaches between the advised techniques.
- Hold it back or reduce the force by cutting out a good part of the crown, it won't barberchair even with a bad cut.
- Cut it with a light saber, it can split partially by releasing the internal stress but you can't get a barberchair. So look at the speed cutting by side cuts and triangle cut (the one firstly presented in this thread). Boring the back cut belongs to this category too.
- Weaken the wood at the base to avoid building up forces. Coosbay doesn't live much fibers at the compression area, they crunch under the increasing load and can't hold the low side of the trunk. At the same time, it plays with the lever arms too. Boring the face weakens the future tension side (when the saw will come in this area).
Dissecting the cuts and looking precisely at their different effects in the process should be very interesting.
ClimbMIT
TreeHouser
Looked a little sketchy but seemed to work as planned. Good communication and thanks for the reply!
Sent from my iPad using Tapatalk
Similar threads
