Timeline for Planar linkage that traces a circle from its exterior?
Current License: CC BY-SA 3.0
5 events
| when toggle format | what | by | license | comment | |
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| Sep 28, 2022 at 20:45 | comment | added | Sergio Mordo | Thank you for this solution, I have been looking for a mechanism like this. However, how would one go about building this to be 10x instead of 2x for example? I can not scale it for some reason, must be missing something. | |
| Feb 8, 2014 at 14:42 | comment | added | Joseph O'Rourke | Very nice idea! I've illustrated a version of it, using a pantograph as the enlarging mechanism. I did not try to compute (or illustrate) the largest arc angle achievable. | |
| Feb 8, 2014 at 5:13 | comment | added | The Masked Avenger | Also, the linkage I picture is like that of Peaucellier, with the internal three links reversed as well as shortened, and attached to the middle of the two long links. | |
| Feb 8, 2014 at 5:09 | comment | added | The Masked Avenger | My mental picture suggests 7 links, 2 fixed pivots and six nonfixed. If one "fully extends" the linkage, one can approach 180 degrees of arc from below. I don't see how to extend this to get past 180 without crossing the interior. | |
| Feb 8, 2014 at 4:35 | history | answered | The Masked Avenger | CC BY-SA 3.0 |