Talk:Lyappa arm

The Ljappa arm is required for construction of the Mir Station. The Ljappa arm is a mechanically-driven arm which is used to move modules from the forward (or axial) docking ports to permanent radial docking ports. The arm is mated onto a socket that is located on the Mir’s multiple docking assembly adjacent to the -XB end of the Base Block. Once the arm is mated, the modules main docking probe is retracted, and the arm raises the module so that it can be pivoted 90° for docking to one of the radial docking ports.--Craigboy (talk) 17:49, 5 February 2012 (UTC)

On ISS?

It looks like there's a Lyappa receiver (not an official name) on Rassvet (specifically on the air-lock that is to be moved to Nauka). Also Nauka renderings also seem to show this kind of receiver.--Craigboy (talk) 00:40, 20 March 2012 (UTC)

However, in documentation, that is labelled as a passive fixation device for ERA. The Lapa paw receptacle can also be seen on the Nauka MLM and the Prichal module as well, meaning that the system was or is still valid to Russian future plans. Of course, with all the modules being of a certain age, it is possible that the system might be regarded as redundant but that it would cost more to remove from the basic design. You would have to wait for future situations to see if the arm is indeed still in use. Mingebinge2 (talk) 02:35, 15 November 2023 (UTC)

Name

According to Jonathan McDowell's site its called the "Side module manipulator arm" and not the Lyappa arm. I'll keep an eye to see if I can find any confirmation on this.--Craigboy (talk) 01:52, 25 March 2012 (UTC)

It seems that "Lyappa" is a form of transcription of the Russian word "Лапа" ("Lapa", literally "Paw"). In Russian technical speech, the manipulator is often called "paw", the word "arm" is not used in this sense. Officially, it is the “Manipulator of Automatic redocking system”. E.g. see [1] (in Russian). Vsatinet (talk) 21:52, 17 April 2021 (UTC)

There is some discussion of the origin of the name given here: [2] (in Russian)" - It's not a thought, it's common knowledge. In those days, we were told everywhere that re-docking takes place with the help of a "mechanical paw". English-speaking analysts took it as a proper name. This often happened."; "saw the word "Ljappa" (precisely through j) in one of the articles of the Dutch journalist Luc van den Abele (note: probably Abeelen) (as far as I remember, somewhere in the early 90s on the pages of Spaceflight). It also seems to me that this is an incorrect transcription of the word "paw", which was somehow perceived in the West as the official name of this mechanism. The same, by the way, happened with the name "bird" for the second flight Buran. So the "blunder" is most likely a blooper." Mingebinge2 (talk) 22:43, 23 October 2022 (UTC)

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