Talk:Rocker-bogie

New Animated .GIF Wanted

Is anyone willing to take on the creation of an improved animated .GIF to replace the current one (entitled "In motion")?

Flaws with the current version as of 2015 May 04:

1. The direction of travel is backwards, according to the .GIF movie of the Pathfinder mission's micro rover Sojourner seen near the bottom of this page: http://er.jsc.nasa.gov/seh/marsrove.html. The bogies (arms with a wheel at each end) should be to the front, and the rockers (arms with a wheel at one end and a pivot connection to a bogie at the other end) should be to the rear.
2. The suspension of the chassis is not modeled correctly. The chassis does not remain level regardless of the terrain. Per the text of the article, the chassis is attached via a differential gear so that its pitch angle is always the average of the pitch angles of the two rocker arms.

108.13.99.101 (talk) 04:24, 5 May 2015 (UTC)

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