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

Announcement: End-of-Year Fundraising Drive In Progress

Our End-Of-Year Fundraising drive is in progress. If you haven't contributed to the operation of the MMD in the last 12 months, this would be a great time to contribute. There's a PayPal link at the bottom of each page on the website.

If you aren't sure when you last contributed, please send me a note using the contact form at the bottom of this page and I'll look you up in my records.

Thank you for your generous support!

P.S. While your support is needed and appreciated, you do not need to contribute to be a subscriber. If you have subscribed and aren't receiving your Digest, please use the contact form at the bottom of the page and let me know. Thanks!

MMD > Archives > January 2008 > 2008.01.24 > 10Prev  Next

Wurlitzer Tracker Bar Dimensions
By Matthew Caulfield

With regard to the .1227" vs. .123" controversy about Wurlitzer tracker
bar hole spacing, I think the difference is critical, when you multiply
the slight error in the spacing of a single hole from another by the 75
errors introduced in spacing out the 75 holes in a style 165 tracker
bar.  It is hard enough already to get a roll to track on a publicly
operated band organ, given atmospheric and temperature variations.
Trying to get holes 1 and holes 75 both to track when the bar dimensions
are off is impossible.

I wonder whether Russ Doering, who is closely involved with Play-Rite's
perforators, can step in here and speak to the _exact_ holes spacing of
a Wurlitzer tracker bar or die set?  To fiddle about hole shape and
size, while shrugging off the question of hole spacing, seems an error
in focus to me.

Matthew Caulfield
Irondequoit, New York

(Message sent Thu 24 Jan 2008, 13:42:46 GMT, from time zone GMT-0500.)

Key Words in Subject:  Bar, Dimensions, Tracker, Wurlitzer

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 1995-2017 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

. .