Geometry question, need outside diameter of 3 grouped objects
Geometry question, need outside diameter of 3 grouped objects
(OP)
If I have 3 tubes, each 1" diameter grouped together at 120° angles, what would be the diameter of a larger tube which could enclose the 3 smaller tubes? There must be a formula, or 2, to calculate this. Thanks.





RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
Side of the triangle: d
Height of the triangle: d*cos 30°
Distance of one vertex to center of triangle: 2/3*d*cos 30°
Diameter of the enclosing circle:
D=(2*2/3*cos 30°+1)d=2.155d.
prex
motori@xcalcsREMOVE.com
http://www.xcalcs.com
Online tools for structural design
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects
please try this site, i think it will answer your question.
bob creely
RE: Geometry question, need outside diameter of 3 grouped objects
RE: Geometry question, need outside diameter of 3 grouped objects