File:Robert’s Table linkage.webm

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Original file (WebM audio/video file, VP9/Opus, length 50 s, 1,280 × 664 pixels, 710 kbps overall, file size: 4.25 MB)

Captions

Captions

A variation of the Roberts linkage which produces rectilinear motion.

Summary

[edit]
Description
English: Dimensions:
  • Distance between the stationary points = 2a
  • Length of yellow bar = b, such that b is larger than 2a/3
  • Side lengths of blue triangle CDE: a, b, b
  • Side lengths of green triangle FAD: b, b^2/a, b^2/a
  • Side lengths of red triangle CGH: 2a, 2b, 2b
  • Length of orange bar = b^2/a

The blue, green, and red triangles are similar.

If point C moves from A to B and vice versa, then the red T-link moves rectilinearly in a straight (approximately).
Date
Source https://www.youtube.com/user/thang010146
Author Thắng Nguyễn Đức

Licensing

[edit]
w:en:Creative Commons
attribution share alike
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

File history

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Date/TimeThumbnailDimensionsUserComment
current06:15, 1 July 202250 s, 1,280 × 664 (4.25 MB)Arglin Kampling (talk | contribs)Uploaded a work by Thắng Nguyễn Đức from https://www.youtube.com/user/thang010146 with UploadWizard

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Transcode status

Update transcode status
Format Bitrate Download Status Encode time
VP9 720P 846 kbps Completed 06:16, 1 July 2022 56 s
Streaming 720p (VP9) Not ready Unknown status
VP9 480P 326 kbps Completed 06:16, 1 July 2022 39 s
Streaming 480p (VP9) Not ready Unknown status
VP9 360P 166 kbps Completed 06:16, 1 July 2022 30 s
Streaming 360p (VP9) Not ready Unknown status
VP9 240P 89 kbps Completed 06:16, 1 July 2022 23 s
Streaming 240p (VP9) 85 kbps Completed 10:54, 17 December 2023 1.0 s
WebM 360P 347 kbps Completed 06:15, 1 July 2022 14 s
Streaming 144p (MJPEG) 503 kbps Completed 13:37, 19 November 2023 2.0 s
QuickTime 144p (MJPEG) Not ready Unknown status
Stereo (Opus) 2 kbps Completed 12:02, 23 November 2023 2.0 s
Stereo (MP3) 128 kbps Completed 13:37, 19 November 2023 2.0 s

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