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 Post subject: Never Saw A Mainspring Like This
PostPosted: Wed Mar 13, 2019 6:49 pm 
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Victor III
Joined: Wed Aug 01, 2012 8:43 pm
Posts: 870
Location: Port Huron, MI
I am working on a Columbia BF that has been in the owner's family since new. I have a BF with what I call "normal" Columbia mainsprings. This one is bent on both ends and sticks out through the spring barrel. The inner coil is bent too and has an arbor with a slit in it. What an easy motor to put back together, no reshaping of the inner coils!

Attached is a photo. How common is this on Columbia motors? I have seen plenty of them, but never saw this before.
Dave D


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 Post subject: Re: Never Saw A Mainspring Like This
PostPosted: Wed Mar 13, 2019 10:27 pm 
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Victor V
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Joined: Sat Nov 19, 2011 12:23 am
Posts: 2422
Location: NW Indiana B-19;VV-IV; VV-VI;VV-XVI; Edison Home B; Amberola 30; Col. BK; Magnola;
Dave D wrote:
I am working on a Columbia BF that has been in the owner's family since new. I have a BF with what I call "normal" Columbia mainsprings. This one is bent on both ends and sticks out through the spring barrel. The inner coil is bent too and has an arbor with a slit in it. What an easy motor to put back together, no reshaping of the inner coils!

Attached is a photo. How common is this on Columbia motors? I have seen plenty of them, but never saw this before.
Dave D


I have never seen that before either. I have heard of people in the past welding springs to the barrels.


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 Post subject: Re: Never Saw A Mainspring Like This
PostPosted: Wed Mar 13, 2019 11:24 pm 
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Victor III
Joined: Mon Apr 26, 2010 3:13 pm
Posts: 529
This is a legitimate Columbia spring set up.... a bent end spring that protrudes through a slot in the barrel. A while back there was a forum member looking for some of those barrels. He helped educate me on their existence. Perhaps he'll see this post and chime in. I don't recall who it was.

Brad Abell


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 Post subject: Re: Never Saw A Mainspring Like This
PostPosted: Thu Mar 14, 2019 6:34 am 
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Victor III
Joined: Wed Aug 01, 2012 8:43 pm
Posts: 870
Location: Port Huron, MI
I never doubted that it left the factory that way. If only one spring barrel looked like that I would have suspected it was repair, but since all four were that way, I figured it was legit.
I wonder why they quit doing this?
Dave


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