Jump to content

Illinois motor barrel

syfre

By syfre
in Watch Repairs Help & Advice

 Share

Recommended Posts

Kraai Watch Enthusiast

Kraai

Posted
Posted

Another "motor barrel" ?

A Hebdomas 8 Jours pocket watch is fitted with a very long mainspring in a big barrel.
The outside of the barrel turns when you winding the watch (60 full turns once a week).
You can see the click in the upper left.

EJ

IMG_0252.JPG

IMG_0253.JPG

  • Like 1
Link to comment
Share on other sites
oldhippy Distinguished Member

oldhippy

Posted
Posted

I have come across this in types of old travel clocks but I can't remember the names. I found the springs to be very strong and not a very satisfactory way of winding, the spring would rip the barrel from the inside and this would cause the spring to slip more then it should, the other fault was with the click and the teeth because of the strong spring it would cause wear in the teeth and on the click, you would almost have it fully wound and at the last turn slip right back and nearly take your hand off. Never seen it in a pocket watch. 

Link to comment
Share on other sites
Kraai Watch Enthusiast

Kraai

Posted
Posted

It has standard a slipspring around the mainspring.  There are 4 dents in the barrel for holding the slipspring.

http://www.worthpoint.com/worthopedia/repair-slip-springs-hebdomas-day-1773782840

Winding is not heavy but, it takes very long. 

It is a very usefull  8 day watch with day date and now 100 years old. Average over the week  +/- 3 minutes but after 7 days just in time.

 

Link to comment
Share on other sites
 Share
Go to topic listing


  • Recently Browsing

    • No registered users viewing this page.

  • Topics

  • Posts

    • Neverenoughwatches
      Broken barrel arbor.

      By Neverenoughwatches · Posted

      Thanks Ross, yes i remember the broken arbor screw you had to deal with. Dont give up, if i can drill a tiny hole in a bloody hard barrel arbor without breaking the drill bit then you'll get that screw out one day somehow .
    • Geotex
      Identifying watch for possible radioactive concern

      By Geotex · Posted

      Isn't it most correct to say that the mixture of radium decay pathway compounds found in old lume will produce both alpha and beta particle radiation as well as gamma rays, so it's over-simplistic to dismiss it all as low-energy particle emission? True, a cheap geiger counter chirping away with a raw CPM count won't specifically give you the relevant biological dose, but it makes it easy to tell the difference between your local background, a watch with a bit of activity, and one that is comparatively quite active. Each person can make their own risk analysis based on their understanding and concern, but there's nothing wrong with using an inexpensive meter to help make the determination.
    • mbwatch
      PALLET FORK INSTALLATION

      By mbwatch · Posted

      A lesson I learned last month on a Junghans pocket watch where both pins were bent over like stalks of wheat in the wind. I bent them back straight, wondering what a shock the thing must have taken to somehow bend even the outside pin over. And then the escapement wouldn't unlock at all. Probably the pallet stones are too long but I'm not ready for that repair yet so I bent the pins back over and it runs 0/0.2
    • rossjackson01
      Broken barrel arbor.

      By rossjackson01 · Posted

      Never. Brilliant work and photographs. Thank you. On my very first watch I knackered the arbour. I think the screw I put in was the crown screw. I didn't know about left handed screws then. Head sheared off. Thread broken just below surface. If I had the space, then a lathe would be my wished purchase. 2 1/2 years later and I still get the arbour out now and again and...... I can dream. It's a lovely pocket watch. Ah well. 
    • rossjackson01
      PALLET FORK INSTALLATION

      By rossjackson01 · Posted

      Hello Davis. This thread is interesting. Thought I'd add my twopenneth worth. A short while ago I had a similar problem to you. Not a broken banking pin, but I did alter a banking pin. Much to the consternation of members. Rightly so. However I did as they suggested and obtained a complete donor movement and installed it into the watch. The client, who I did not charge but did the work as a project for myself, was as happy as Larry.  Can you not look for watch of the same name? A Donor watch or movement.  Keep us posted on your result please.
×
×
  • Create New...