hosted on condor3913
 Mechanical Music Digest  Archives
You Are Not Logged In Login/Get New Account
Please Log In. Accounts are free!
Logged In users are granted additional features including a more current version of the Archives and a simplified process for submitting articles.
Home Archives Calendar Gallery Store Links Info
MMD > Archives > June 2013 > 2013.06.11 > 04Prev  Next


Hobart M. Cable Player Problem
By John A. Tuttle

Hi All,  Nevin Engle writes in 130610 MMDigest:

> When I apply 10 inches of water vacuum and start uncovering the
> tracker, the vacuum gradually lessens when about half of the holes are
> open.  Any ideas what is going on and suggestions for improvement?

It sounds to me like you did a decent job rebuilding the stack.  As
each of the holes in the trackerbar are opened, a small amount of
atmosphere is constantly entering the stack via the bleed holes,
which will reduce the vacuum level by a small amount.

Naturally, there are other components that come into play, namely,
the exhaust valve facings, the striker pneumatics, and any gaskets
that might be between the vacuum chamber and the strikers.  However,
assuming they are all relatively air-tight, I'd say that what you
are experiencing is completely normal.

Musically,
John A Tuttle
Player-Care.com
Brick, New Jersey, USA


(Message sent Tue 11 Jun 2013, 10:27:45 GMT, from time zone GMT-0400.)

Key Words in Subject:  Cable, Hobart, M, Player, Problem

Home    Archives    Calendar    Gallery    Store    Links    Info   


Enter text below to search the MMD Website with Google



CONTACT FORM: Click HERE to write to the editor, or to post a message about Mechanical Musical Instruments to the MMD

Unless otherwise noted, all opinions are those of the individual authors and may not represent those of the editors. Compilation copyright 1995-2022 by Jody Kravitz.

Please read our Republication Policy before copying information from or creating links to this web site.

Click HERE to contact the webmaster regarding problems with the website.

Please support publication of the MMD by donating online

Pay via PayPal

No PayPal account required

                                     
Translate This Page