Where does the oil go?

[ttf_randyb]

Curious.  I have a Bach 42 with a Thayer valve.  I use about 16-20 drops of Hettmans #13 oil once a week and maybe 6 drops mid week.  The valve works fine and I clean my slide every couple days and before performances.

My question is....Where does the oil disappear too?

Thanks
Randy

[ttf_BGuttman]

Some of it evaporates.  Some of it is absorbed by the metal.  Some of it dribbles down your slide.  I can't give you any percentages, though.

[ttf_Posaunus]

Quote from: randyb on Oct 04, 2017, 10:07AMCurious.  I have a Bach 42 with a Thayer valve.  I use about 16-20 drops of Hettmans #13 oil once a week and maybe 6 drops mid week.  The valve works fine and I clean my slide every couple days and before performances.

My question is....Where does the oil disappear too?

Thanks
Randy

16-20 drops sounds like a lot of oil to me.  The oil may not be "disappearing; you may instead be accumulating excess oil in the F-attachment tubing! 

Hetman's #13 is a "Light Bearing & Linkage Oil" meant for the spindle bearing. etc. of the valve actuating lever and linkage, not for inside the valve.  For the valve itself, you should probably use a light valve oil (perhaps Hetman's #11 Light Rotor Oil or Ultra-Pure Professional Valve Oil or Edwards Rotor Oil.  (I successfully use piston valve oil - Hetman or Ultra-Pure - for the interior of my conventional rotor valves.) 


For how to apply oil to an axial-flow valve, see the Edwards video: 
https://www.youtube.com/watch?v=XxmSwbVyMZY

[ttf_randyb]

Thanks for your replies.  My mistake - I use the Hettmans #12 and it usually takes at least 16 drops for it to run out like the Edwards video shows.

Thanks

[ttf_Blowero]

I don't care what the Edwards video says; you don't need that much oil.

[ttf_timothy42b]

I put too much oil in my standard rotor last Saturday, and now my slide lube is lasting a day instead of a couple weeks.  that suggests to me it's running down into the slide. 

[ttf_randyb]

That has been happening to me also which is what prompted my question.  I am probably using to much oil at one time.  I may try the idea of putting in a few drops every couple of days.

[ttf_randyb]

While we are on the subject....I use a little Dawn dish soap periodically to clean the oils off my slide.
Does any one have a favorite product they use to "cut" any oil that finds its way down the slide?

Thanks

[ttf_timothy42b]

Dawn is what I use too. 

[ttf_harrison.t.reed]

You need 2 or 3 oils. Hetman 13 for the spindles, just a drop on each end. Hetman 11 on the rotor core. Possibly Hetman ball joint if you have mechanical linkages. The amount you need of each is very small.

[ttf_Full Pedal Trombonist]

I have some trombones that haven’t had rotor oil in years. They still move quickly, smoothly, and quietly. I guess the oil stays where it is 

[ttf_Burgerbob]

Rotors and Thayers need pretty different amounts of oil.

I oil my (worked on by Benn, in top-top shape) Thayers every couple days or they leak/slow down.

Any rotor may move well without oil, but it probably won't seal or play well without it.

[ttf_timothy42b]

Quote from: Full Pedal Trombonist on Oct 04, 2017, 11:02PMI have some trombones that haven’t had rotor oil in years. They still move quickly, smoothly, and quietly. I guess the oil stays where it is 

Yeah, I did too, until discussion here and in our bone choir group recently.

So I started oiling my 1971 42B. 

Some of the uncertainty in the trigger range went away.  I thought it was me, and some of it is, but there was apparently a contribution from the valve not sealing. 

It probably wore faster than necessary, too.

But I think I overdid it.  I'll oil more sparingly next time.

[ttf_Full Pedal Trombonist]

No noticeable difference in my old bass before and after oil. And I’m still trying to get my large tenor chops back up so, perfectly oiled or not, I expect my inconsistency is my own as much as it could be the rotor. An interesting thing to think about, though!

[ttf_Full Pedal Trombonist]

No noticeable difference in my old bass before and after oil. And I’m still trying to get my large tenor chops back up so, perfectly oiled or not, I expect my inconsistency is my own as much as it could be the rotor. An interesting thing to think about, though!