Posts 14,15,16 and 17 copied from this thread.
Box or Square Scarf - Notch
First came the paragraph as seen here. It says
Quote:
| "Hinge modification consisting of a hinge that is thin on one end and thicker on the other has no bearing on the direction of a falling tree and recommendations that suggest so should be disregarded." |
To which you said this:-
Quote:
Originally Posted by Treelore  I have to say that the last statement of page four is false. I have witnessed on thousands of occasions how by triangulating my hinge wood I was able to succesfully keep a tree tracking straight wheras if I had cut uniformly from the back I would have hinge breakout and loss of direction. |
You said it was a false statement. Hence the confusion. Below you state .... I bolded the area of vital importance here, that the scarf determines the felling direction not the hinge. That is the key issue here and that means the statement in H4 is true.
Quote:
Originally Posted by Treelore I am saying that if you scarf your tree in the direction you wish it to fall then a correct backcut will allow it to fall in this direction if this means having a slightly thicker hinge on one side to prevent breaking of hinge and tree not falling in correct direction then that is how it will eventuate. the amount of supporting hinge is crucial to fall direction. But that direction is predetermined by scarf orientation. |