Draw Line Tangent to Center of Circle Revit

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Technical Drawing Question (Tangent To ii Circles)

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dery Members Profile Discover Members Posts Groupie Joined: 31.January.2018 Location: United States Using: AutoCAD 2014 Status: Offline Points: 53	Post Options Cheers(0) QuoteReply Topic: Technical Drawing Question (Tangent To 2 Circles)     Posted: 23.Nov.2021 at 17:06
	I know I can do information technology by using the Ttr command in AutoCAD, merely that'southward not what I desire to know. Can someone please tell me how to draw an arc that tangent to 2 circles using traditional method (eastward.g. using compass)? For example, how to draw such as below epitome in AutoCAD using traditional method with the given ii known-diameter circle with a distance of vii betwixt its centre bespeak? How practice you depict an arc with radius of 12 that tangent to these two circles? Thanks
philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: xiv.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1310	Post Options Thanks(0) QuoteReply Posted: 24.Nov.2021 at xv:03
	Hello Dery, you must : Draw a circle R : 12 - ( 3/2 ) = 10.5 at the eye of the circle diameter 3. Draw a circle R : 12 - ( two/2 ) = 11 at the centre of the circle diameter 3. At the junction of the 2 circles you lot must draw a circle radius 12 that will exist tangent to your  circles dia. 3 and dia. 2 and that will take a radius r : 12, then you trim the circumvolve r : 12 to your circles dia. iii and 2. I'one thousand afraid this is basic design.
philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: 14.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1310	Post Options Cheers(0) QuoteRespond Posted: 24.November.2021 at 15:21
philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: 14.Mar.2011 Location: French republic Using: AutoCAD Mechanical 2017 Status: Offline Points: 1310	Postal service Options Cheers(0) QuoteReply Posted: 26.Nov.2021 at 07:07
	Dery, if you do the work with or without the TTR command and so you lay the dimensions r10.5 and r11 you should try and found the method by yourself wich is not a bad matter.
dery Members Profile Notice Members Posts Groupie Joined: 31.January.2018 Location: Usa Using: AutoCAD 2014 Status: Offline Points: 53	Postal service Options Thanks(0) QuoteRespond Posted: 29.November.2021 at 13:24
	Why do you choose R10.5 and R11 in Stride 2? I don't sympathise, please explain.
philippe JOSEPH Members Profile Find Members Posts Senior Member Joined: 14.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Condition: Offline Points: 1310	Post Options Thanks(0) QuoteRespond Posted: 29.Nov.2021 at 15:08
	Howdy Dery, the solution for cartoon the radius R12 to be TANGENT to both the diameters 3 and 2 is FINDING the CENTER of that radius R12 past Cartoon CIRCLES to find the COMMON POINT / center of the radius R12. That eye is plant by subtracting values to R12 and it can even be done informatically with non exact radius and diameters values on AutoCAD by working with line lengths. The radius R12 will be at radius X from the eye of diameter iii and that will be R12 minus the radius of the diameter iii that is three/two, so : R12 - ( bore 3 / 2 ) = 12 - ( 3/two ) = 12 - 1.v = 10.five. The radius R12 will be at radius X from the center of bore two and that volition be R12 minus the radius of the diameter 2 that is 2/2, and then : R12 - ( diameter 2 / 2 ) = 12 - ( 2/2 ) = 12 - i = eleven. Normally the steps are cocky explanatory and you could have found the solution with a paper  and a compass and some tests. I hope this will make cense because I'yard loosing my mind past doing these explanations in my non native language ( sad ).
philippe JOSEPH Members Contour Find Members Posts Senior Member Joined: fourteen.Mar.2011 Location: France Using: AutoCAD Mechanical 2017 Status: Offline Points: 1310	Post Options Cheers(0) QuoteReply Posted: 29.Nov.2021 at 15:17

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