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Quarter sawing or quartersawing is a woodworking process that produces quarter-sawn or quarter-cut boards in the rip cutting of logs into lumber. The resulting lumber can also be called radially-sawn or simply quartered .
Plain sawn (flat sawn, through and through, bastard sawn) – A log sawn through without adjusting the position of the log and the grain runs across the width of the boards. Quarter sawn and rift sawn – These terms have been confused in history but generally mean lumber sawn so the annual rings are reasonably perpendicular to the sides (not ...
Flat-sawn wood often exhibits "flat-" or "slash grain", where the angle between the visible growth rings and the width of the board is 45° or less. [4] This makes the wood vulnerable to deformation as it dries, or if later exposed to moisture.
In the United States, planks can be any length and are generally a minimum of 2×8 (1 + 1 ⁄ 2 in × 7 + 1 ⁄ 4 in or 38 mm × 184 mm), but planks that are 2×10 (1 + 1 ⁄ 2 in × 9 + 1 ⁄ 4 in or 38 mm × 235 mm) and 2×12 (1 + 1 ⁄ 2 in × 11 + 1 ⁄ 4 in or 38 mm × 286 mm) are more commonly stocked by lumber retailers.
The Dutch windmill owner Cornelis Corneliszoon van Uitgeest invented in 1594 the wind-powered sawmill, which made the conversion of log timber into planks 30 times faster than before. [8] His wind-powered sawmill used a crankshaft to convert a windmill 's circular motion into a back-and-forward motion powering the saw, and was granted a patent ...
A saw pit or sawpit is a pit over which timber is positioned to be sawed with a long two-handled saw, usually a whipsaw, by two people, one standing above the timber and the other below. [1] It was used for producing sawn planks from tree trunks, which could then be cut down into boards, pales, posts, etc. Many towns, villages and country ...