Welcome, Guest

The International Horn Society is a global horn community. We celebrate diversity and exercise tolerance, and we are here to offer support, resources, and inspiration. Views expressed by individual members of the IHS do not necessarily reflect our values and aims of the society as a whole.

Valve Alignment - simple over-travel fix ?

2 years 7 months ago - 1 year 1 week ago #1874 by Jay Kosta
Is there any simple way to correct alignment over-travel BESIDES replacement of the bumper?
I am currently using small dots of 'stick-on' tape that has very strong grip, but I don't know whether it will last.
YHR-668N with round neoprene(?) bumper material.

My early results indicate better 'sound' and 'note accuracy' after better alignment.

Located in upstate NY near Binghamton  /  Ithaca
Update May 2023 - the stick-on tape worked fine until recently when I got some valve oil on it - that caused the adhesive to soften and dissolve, causing the material to loosen and fall off of the rubber bumpers.
Last edit: 1 year 1 week ago by Jay Kosta. Reason: additional info

Please Log in or Create an account to join the conversation.

2 years 6 months ago #1876 by Chris Crawley
As the "bumpers" are the only thing controlling the range of movement of the rotor, I can't think of any other way of dealing with excess rotation than replacing them.

In fact, I can't see why you would not want to replace them, but perhaps there's more to the story.

And yes, it is important to get this right, using the "cut marks" visible under the dust caps.

Please Log in or Create an account to join the conversation.

Time to create page: 0.378 seconds
Powered by Kunena Forum
× Progressive Web App | Add to Homescreen

To install this Web App in your iPhone/iPad press icon. Progressive Web App | Share Button And then Add to Home Screen.

× Install Web App
Mobile Phone
Offline - No Internet Connection