Not quite my earliest drawings, but still some pretty ruff, from 90's mostly:
mytreelessons.com/Drawings Archive-Dutchmans.htm
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After Y2K playing with Flash(would have to enable in browser):
mytreelessons.com/Dutch Push in 1 side of Face.htm
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i think of kerf dutchman as earliest close in that side of face
>>across full face gives a snap/pop/or crumble as the raging forward force is offered no path of relief
>>Dutch 1side, offers other side to raging forward forces an easiest path of least resistance calling to forces seeking said relief
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In my imagery:
i see a generic strip hinge on side lean as don't care what the forces this is what you get all the same on each side
>>even though the loading is different!
>>BUT even though the hinge is strip, the loading pattern form forces is more of a tapered hinge within the strip
>>>>the pivot compression position taken first, rest left to tension in tapered position, saw just cut out part of it where most needed!
>>>>to fold forward same tree, same folding resistance forward must be re-apportioned to allow support cross-axis/sidelean pulls more fully
Just as a tapered hinge is more of a custom fit to sidelean, modified to task of sideloading , not generic
>>Then too, a step/tiered Dutchman offers similar custom fit set to oppose sidelean, instead of generic all the way across, no matter what the loading
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i think the front back extremes across narrow breadth of hinge are gradually reduced until inline forces/shape folds forward
>>but extremes across long breadth/axis of hinge handle the steering of the CoG into same box(hopefully)
>>these extremes are where tapered and dutchman sit
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Essentially on sidelean the fat part of hinge, dutchman and CoG would try to line up across hinge diagonally
>>Note: Left sidelean will close harder on left side face,and pull harder on right rear anyway, without tapered or dutchman
>>we just seek to maximize these force effects by simply not cutting them out (more of a step than kerf imagery there)
>>by rather reducing their ante/antagonistic sides to these positions there, and allow more impact of change to tapered and dutchman effects
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i find another reason to steer against sidelean when don't have to (besides practice/practice/practice)
>>is i think folding directly into lean force is hardest hit, to side is same force over longer path>>not into direct gravity pull as less
>>also,using tree force fighting self to make this turn , force is i finite,just used more
>>then wouldn't hit direct into ground, but slightly across, so not fullest concussion of hit
i think this transfers well to same in bucking(had to delete the F) top bind
direct 12 noon top of bind is severest force, try to carry to 1:30 angle fold for less force
>>by tapered hinge low pulling to 1:30facing with topside kerf dutchman to push to 1:30 as tapered pulls all in unison,not binding against each other
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Use the force line/lean/top bind as power;
>>give correct mechanical command push/pulls to use power to carry to target
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. No surprise there.
