Timer info

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Dan Hatch
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Timer info

Post by Dan Hatch » Sat Jul 26, 2025 6:20 pm

Anyone know what the roller for this timer looks like? Thanks Dan
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Erik Johnson
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Re: Timer info

Post by Erik Johnson » Sat Jul 26, 2025 6:58 pm

I searched "Herz Timer" on Google books. They were manufacturing timers early on, long before Model Ts arrived on the scene.

Around 1920, they introduced the Herz Hammerblow Timer for Fords.

If you search "Hammerblow timer" on Google Books, it yields some good information (two web pages worth of results).

Unless your timer is not a Hammerblow, it is missing the rear apron.

I believe it had a cam instead of a roller.

Click on this link:

https://www.google.com/search?q=%22hamm ... z-modeless


Erik Johnson
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Re: Timer info

Post by Erik Johnson » Sat Jul 26, 2025 8:09 pm

Click on link and read the description - does not use rollers, brush, fibre or raceway. A quickly read some of the material I posted above and it did have a cam as I assumed.

https://www.google.com/books/edition/Mo ... frontcover

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TRDxB2
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Re: Timer info

Post by TRDxB2 » Sun Jul 27, 2025 1:12 am

I captured the articles referenced in the links above & found an ad that someone posted in FaceBook. Think the ad gives a good idea on what it looked like. Basically a rotor

Posted by Mark Osterman July 23 2019 https://www.facebook.com/search/top?q=h ... ow%20timer
Attachments
herz 2.png
hertz timer.png
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Chris Barker
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Re: Timer info

Post by Chris Barker » Sun Jul 27, 2025 4:18 am

The claims on 'page 39' are almost good enough to have been generated by AI!

I would not have much confidence that the relative timing of each cylinder was at all consistent with such a small radius, and spring loaded contacts

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DanTreace
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Re: Timer info

Post by DanTreace » Sun Jul 27, 2025 8:52 am

And the cost!

That Herz timer priced at $4.75 in 1921 when most timers cost under $2.

Today’s dollars a std. timer was 20 bucks or so, that bronze casting and hardened steel spring contacts was the equivalent of $70 today :shock:
The best way is always the simplest. The attics of the world are cluttered up with complicated failures. Henry Ford
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Erik Johnson
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Re: Timer info

Post by Erik Johnson » Sun Jul 27, 2025 11:20 am

Now I wonder if there were two styles of Hammerblow timer - one with the apron and one without (late version vs early version or vice versa) or if the one shown in the ad that Mark posted was just for illustration purposes.

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