Antique Engines and Old Iron
[Home] - [HELP] - [Forums] - [Library] - [Photo Gallery] - [Groups] - [Classified Ads] - [Subscribe] - [Links] - [Books] - [Sponsors] -

Go Back   SmokStak > SmokStak® Antique Engine Community > Antique Gas Engine Discussion > Antique Engine Archives
Forgot Password? Join Us!

Notices

Antique Engine Archives All archived posts from 1999 to 2004 when SmokStak was on EnginAds. This is a read-only board.

Antique Engine Archives

How many obsolete thread counts were used?


this thread has 14 replies and has been viewed 9727 times

 
 
Thread Tools Display Modes
  #1  
Old 09-17-2004, 08:16:57 PM
Pat Barrett Pat Barrett is offline
Subscriber
 
Join Date: Nov 2004
Location: Brookhaven, Mississippi, USA
Posts: 2,635
Thanks: 668
Thanked 1,616 Times in 973 Posts
Default How many obsolete thread counts were used?

Last night I asked about obosolete wrench sizes, Tonight: How many obsolete thread counts were used on some of our old stuff? I know, of 3
Sponsored Links
  #2  
Old 09-17-2004, 08:48:50 PM
Junkologist
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

I have a Standard Pump Engine where the threaded crankshaft ends are 1" and 12 threads per inch. I had to have the nuts custom made.

Mike
  #3  
Old 09-17-2004, 08:59:46 PM
Simon, Scotland UK.
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

UNF(unified national fine), UNC(unified national coarse), BSF(British standard fine), Whitworth, to name but a few.

Regards

Simon
  #4  
Old 09-17-2004, 09:24:03 PM
Pat Barrett Pat Barrett is offline
Subscriber
 
Join Date: Nov 2004
Location: Brookhaven, Mississippi, USA
Posts: 2,635
Thanks: 668
Thanked 1,616 Times in 973 Posts
Default Re: Fri. Nite Trivia

Great, you got one of the 3, I had in mind
  #5  
Old 09-17-2004, 09:39:09 PM
Roland Finkenbinder
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

The Sta-Rites that I have worked on have 1/2-12 threads on the head studs.
  #6  
Old 09-17-2004, 10:11:31 PM
Ironman
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

I have run across a 3/8-26 thread on some needle valves.
  #7  
Old 09-17-2004, 10:19:40 PM
Pat Barrett Pat Barrett is offline
Subscriber
 
Join Date: Nov 2004
Location: Brookhaven, Mississippi, USA
Posts: 2,635
Thanks: 668
Thanked 1,616 Times in 973 Posts
Default Re: Fri. Nite Trivia

The 1"-12 & the 1/2-12 are two of the 3 I have encountered. 1/4'-24 is another, Anyone had to try and find a nut for the moveable end of an E.K. is is odd too.
  #8  
Old 09-17-2004, 10:30:45 PM
Chip Watford
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

Pat,I too have run into the 1/4-24 thread on the Wico trip.Mcmaster-Carr sells taps and dies for this thread as well as other obsolete ones.They are listed as National Special Threads. Chip
  #9  
Old 09-17-2004, 11:01:21 PM
Rudy
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

The two oddest threads i have encountered are 11/16-11 threads per inch which i threaded on valves and nuts on an IHC 20 H.P Famous tractor and # 12-24 machine screw which holds magnets onto a Bosch AB-33 mag.
  #10  
Old 09-17-2004, 11:04:53 PM
Eugene Borsoff
Guest
 
Posts: n/a
Default Re: Fri. Nite Trivia

The igniter parts on early Foos engines were threaded similar to 3/4" pipe thread as they have a tapered thread but they were 12 TPI not 14 TPI. Prior to WWI manufacturers would tread whatever they wanted. The United States Govenrment during WWI established SAE standard sizes and TPI to insure interchangable bolts and nuts.
 


Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

F o r u m Jump

Similar Threads Chosen at Random
Thread Thread Starter F o r u m Replies Last Post
Difference between Thread Restorer....Rethreader...and Thread Chaser??? packrat56 Antique Gas Engine Discussion 12 07-31-2007 12:59:11 PM
Off topic: Obsolete Chevy parts Al Wait Antique Autos and Trucks 1 10-14-2006 07:21:01 PM
Obsolete brake hardware Dick Welty Antique Engine Archives 6 10-19-2004 12:54:40 AM
Obsolete Water Pump Parts needed Bob Naske Antique Engine Archives 6 09-28-2004 05:31:46 PM
Supplier for obsolete brushes Harvey Teal Generators & Electric Motors General Discussion 12 07-16-2002 12:06:40 AM


Use "Ctrl" mouse wheel to change screen size.
All times are GMT -4. The time now is 05:41:40 AM.

Smokstak and Enginads site search!


All use is subject to our TERMS OF SERVICE
SMOKSTAK® is a Registered Trade Mark - A Community of Antique Engine Enthusiasts
Copyright © 2000 - 2016 by Harry Matthews P.O. Box 5612 - Sarasota, FL 34277