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Lubricant for small movement


Hi everyone. I've been fiddling with several small movement. φ15~20mm The puzzle is such I always use HP1300 to oil the second and the third wheel. Sometimes I thought HP1300 maybe too thick for those slow movements. They have lower friction and smaller pivots. I already swap 9010 to oil the third wheel. What if I use 9010 to oil the second wheel as well. Will I gain or lose performence? Thank you!

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The Mobeius list below points out the viscosity so should help you decide on the best course of action to take.  One would assume lighter movements require lighter lubricants but the forces they endure are the same.

www.moebius-lubricants.ch _ moebius_ the leading producer of oils, greases and epilames.html horotec Moebius oils book.pdf

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I think the lubrication scheme would be almost the same down to a certain size, I seldom work on watches smaller than 7 ¾´´´ nowadays and in that size I use the same lubricats as I would on a regular 11 l½ ‴. 
Just so one get a sense of size difference I took a pic. A 2824-2 vs 2671



So 2824-2 tech sheet with lubrication recomendations

And the 2671 tech sheet.


Edited by HSL

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3 hours ago, EatPeach said:

I don't know. I don't have 9020. But what I'm thinking is HP500 and something like that. Honestly I don't know much about lubricant

most common choice for lubrication is Moebius which can be found at the link below. They even have a lubrication chart you can download to add to the confusion and a lot of tech sheets where you get some of the specifications.. iin the absence of any real specifications usually what everyone goes by is viscosity.. Lighter oils for fast moving parts heavier oils for slow moving parts..

typically I work on pocket watches this means the lightest oil on my bench is 9020  I use it almost everything except the really heavy stuff like center wheel HP 1300..



BHI The Practical Lubrication of Clocks and Watches Version 2008.0.pdf

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