AIRCRAFT DRAWINGS

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What type of lines are used on aircraft drawings to indicate hidden views, center lines, and alternate position lines

A hidden view line is a medium width line made up of short dashes. it represents an edge that cannot be seen when looking at the part from a specific position. Center lines are thin lines composed of alternating long and short dashes, and are used to indicate the center of an object or center of a void Alternate position lines are medium width lines composed of one long and two short evenly spaced dashes. They are used to show the alternate position of apart or the relative position of a missing part.

define clearance as used in aircraft drawings

Clearance is the dimension given for the space between parts

Define tolerance as used in aircraft drawings

The difference between the plus and minus allowable dimension of a part

how can a change to an aircraft drawing be identified

by its revision letter. the revision letters are usually listed in a table next to the title block or in the corner of the drawing

why are dimensions used, and how are they shown on the aircraft drawings

dimensions are solid narrow lines, broken at midpoint for the insertion of measurements. they are used to indicate the size of an object

what is the bill of materials associated with aircraft blueprint

it is a list of materials and parts necessary for fabrication or assembly of a component or system

what are symbols used when drawing aircraft blueprints

symbols are a type of shorthand used in drawings,. they express the characteristics of a component with a minimum amount of drawing or writing

what information is given in the title block of a blueprint

the drawing number, the name of the part or assembly, the scale, the date , the name of the firm, the name of the draftsman, the checker , and the approving official

how many views are required to determine the shape of an object

three views: front, top, right


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