Coil Question.. Year & Make

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Model T Ford Forum: Forum 2013: Coil Question.. Year & Make
Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Saturday, October 19, 2013 - 10:38 pm:

Just about completed restoring the stamped brass coil shown. First "brassie" I've ever done. There isn't a makers mark on it. I'm assuming it's a KW. What years were they used?


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 08:57 am:

Approximately May 1915 - June 1917 I think.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Sunday, October 20, 2013 - 09:55 am:

Thought it might be earlier than that. Oh well.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Kenneth W DeLong on Sunday, October 20, 2013 - 10:02 am:

Then evidently the one's with 6 screws holding the top cover on were earlier? Bud.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Sunday, October 20, 2013 - 10:08 am:

On this one the brass is stamped or cupped around the edge. There was a flat brass type too. I believe that had 6 screws. Don't know which is earlier though.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 10:38 am:

6 screw type is about April 1913 - May 1915.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 10:44 am:

The type with six screws and flat brass top is KW, from about August 1912 (1913 body style year) through about April 1913 when the metal KW / Ford coil box was introduced. They only fit the wooden KW coil box of the same era.

These coils are a larger size than the standard Ford coil of later years, and the contacts are located differently, so they cannot be used in any of the standard size Ford coil boxes.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 11:12 am:

Here are (left to right) some late 1913 - May 1915 coils. The one on the left is restored by John Regan with new wood box. Note all the various styles of dovetail joint, contacts, finish of the brass top, and insulators.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 12:03 pm:

Picture of the early KW coil used from August 1912 - end of 1913 Model Year , perhaps June 1913. Ron "The Coilman" Patterson picture.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Sunday, October 20, 2013 - 12:09 pm:

Looking at the assortment you've provided I assume the riveted points would have been OK. I had a new set (which was riveted). I drilled out the rivets and used the original lower point mount with the screws in it. The mount was so different from the new type I didn't want to lose it. The holes in the point set are exactly the same and it mated right up with the screw holes. Guess I didn't need to bother. It did turn out quite nice though and it does work. (new capacitor too). One clarification please Royce: your first post says 1915/17. Your last says 1913/15. Which is correct? & Thanks.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Royce in Dallas TX on Sunday, October 20, 2013 - 12:59 pm:

Charlie,

Your coil in the picture has four screws. That's why my answer was "Approximately May 1915 - June 1917".

Earlier ones had six screws.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Jablonski on Monday, October 21, 2013 - 12:39 pm:

Charlie:

Look at Ron Patterson's article on Coil History... for accurate coil history.

http://www.mtfca.com/coils/Coils.htm


Bob J.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Bob Jablonski on Monday, October 21, 2013 - 12:45 pm:

Charlie & All :

Trent B. was a co-author.... give credit where it's due.


Top of pagePrevious messageNext messageBottom of page Link to this message  By Charlie B actually in Toms River N.J. on Monday, October 21, 2013 - 02:11 pm:

I've read the article. Quite extensive & informative. Funny how so many mysteries still exist but I've come to accept the fact that some records are gone and others never existed at all. The "C" coils for instance are intriguing and the repeated changes in KW's logo. I also have a Ford coil with the name (burned I think) into the wide side of the wood case which I originally thought was older than the article stated.


Top of pagePrevious messageNext messageBottom of page Link to this message  By R.V. Anderson on Monday, October 21, 2013 - 05:07 pm:

I concur with Ron and Trent about the "C" coils being produced in or for Canada. My dad's unrestored '23 Canadian coupe came with a set of them. One even had a maple leaf stamped into the upper part of the removable panel.


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