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Do to tremendous forces coursing up and down a spar during the changes in leveraged force in felling a tree; a spar can give out and split with fatal consequence to fellar. Any spar, has only so much strength; and can give out under strenuous duty.
Possible ways to use this same push force (partially by giving relief in 1 face, only pushing 1 face): Forced Support Loading |
8/1/4 (Always Under
Construction & Expansion!)