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- Datum_reference abstract "Datum reference is a concept used in carpentry, metalworking, needlework, Geometric dimensioning and tolerancing (GD&T), aviation and similar activities.In carpentry, an alternative, more common name is \"face side\" and \"face edge\". The artisan nominates two straight edges on a workpiece as the \"datum edges\", and they are marked accordingly. One convention is to mark the first datum edge with a single slanted line (/) and the second with double lines (//). For most work, the datum references of the workpiece need to be square. If necessary they may be cut, planed or filed to make them so. In subsequent marking out, all measurements are then taken from either of the two datum references.In aviation, an aircraft is designed to operate within a specified range of weight and (chiefly longitudinal) balance; an airman is responsible for determining these factors for each flight under his or her command. This requires the calculation of moment for each variable mass in the aircraft (fuel, passengers, cargo, etc.), by multiplying its weight by its distance from a datum reference. The datum for light airplanes is usually the engine firewall or the tip of the spinner, but in all cases it is a fixed plane perpendicular to the aircraft's longitudinal axis, and specified in its operating handbook.".
- Datum_reference wikiPageID "1013923".
- Datum_reference wikiPageLength "4187".
- Datum_reference wikiPageOutDegree "16".
- Datum_reference wikiPageRevisionID "706903171".
- Datum_reference wikiPageWikiLink Aviation.
- Datum_reference wikiPageWikiLink Carpentry.
- Datum_reference wikiPageWikiLink Category:Woodworking.
- Datum_reference wikiPageWikiLink Coordinate_system.
- Datum_reference wikiPageWikiLink Degrees_of_freedom_(mechanics).
- Datum_reference wikiPageWikiLink Geodetic_datum.
- Datum_reference wikiPageWikiLink Geometric_dimensioning_and_tolerancing.
- Datum_reference wikiPageWikiLink Kinematics.
- Datum_reference wikiPageWikiLink Metalworking.
- Datum_reference wikiPageWikiLink Needlework.
- Datum_reference wikiPageWikiLink Perpendicular.
- Datum_reference wikiPageWikiLink Surface_plate.
- Datum_reference wikiPageWikiLink Three-dimensional_space_(mathematics).
- Datum_reference wikiPageWikiLink Tolerance_analysis.
- Datum_reference wikiPageWikiLinkText "Datum reference".
- Datum_reference wikiPageWikiLinkText "datum reference".
- Datum_reference wikiPageWikiLinkText "reference datum".
- Datum_reference wikiPageUsesTemplate Template:Refimprove.
- Datum_reference wikiPageUsesTemplate Template:Reflist.
- Datum_reference wikiPageUsesTemplate Template:Woodworking.
- Datum_reference subject Category:Woodworking.
- Datum_reference hypernym Concept.
- Datum_reference type Process.
- Datum_reference comment "Datum reference is a concept used in carpentry, metalworking, needlework, Geometric dimensioning and tolerancing (GD&T), aviation and similar activities.In carpentry, an alternative, more common name is \"face side\" and \"face edge\". The artisan nominates two straight edges on a workpiece as the \"datum edges\", and they are marked accordingly. One convention is to mark the first datum edge with a single slanted line (/) and the second with double lines (//).".
- Datum_reference label "Datum reference".
- Datum_reference sameAs Q1047519.
- Datum_reference sameAs Орнықтандыру.
- Datum_reference sameAs m.03z85j.
- Datum_reference sameAs База_(машиностроение).
- Datum_reference sameAs База_(машинобудування).
- Datum_reference sameAs Q1047519.
- Datum_reference wasDerivedFrom Datum_reference?oldid=706903171.
- Datum_reference isPrimaryTopicOf Datum_reference.