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Author Topic: Vintage Tac score  (Read 7625 times)

Offline jabberwoki

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Vintage Tac score
« on: October 14, 2018, 04:54:43 PM »
Picked up this sweet vintage Herman H. Sticht co. inc of New York N.Y. hand held tachometer today off offer up for $20.
I was in need of something to find out the speed of the bottom pulley on my drill press.
I really wanted a digital laser one but how could I resist
« Last Edit: October 14, 2018, 04:56:46 PM by jabberwoki »
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Offline Cruiser808

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Re: Vintage Tac score
« Reply #1 on: October 14, 2018, 05:42:46 PM »
The cops are looking you Jabber, because you stole that tac. Good job my friend.    8)
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Offline J.A.F.E.

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Re: Vintage Tac score
« Reply #2 on: October 14, 2018, 07:50:54 PM »
I guess you efforts to find a digital tach were going in circles then.

Did you measure the speed of the bottom pulley?
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Offline slip knot

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Re: Vintage Tac score
« Reply #3 on: October 14, 2018, 08:21:19 PM »
Way cooler than digital.
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Offline jabberwoki

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Re: Vintage Tac score
« Reply #4 on: October 14, 2018, 09:41:21 PM »
Quote from: J.A.F.E. on October 14, 2018, 07:50:54 PM
I guess you efforts to find a digital tach were going in circles then.

Did you measure the speed of the bottom pulley?

Yeppers  3110 rpm
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Offline ken w.

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Re: Vintage Tac score
« Reply #5 on: October 14, 2018, 10:02:16 PM »
Nice.
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Offline skfarmer

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Re: Vintage Tac score
« Reply #6 on: October 15, 2018, 07:30:43 AM »
nice tach. who doesn't like a box with pretty red ribbon?
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Offline gtermini

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Re: Vintage Tac score
« Reply #7 on: October 15, 2018, 10:17:58 AM »
Quote from: jabberwoki on October 14, 2018, 09:41:21 PM
Quote from: J.A.F.E. on October 14, 2018, 07:50:54 PM
I guess you efforts to find a digital tach were going in circles then.

Did you measure the speed of the bottom pulley?

Yeppers  3110 rpm

I sure hope you're not spinning that old camelback 3100...

Greyson
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Offline jabberwoki

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Re: Vintage Tac score
« Reply #8 on: October 15, 2018, 06:56:03 PM »
that's what it read on the biggest bottom pulley.
But I think I effed up, the small ball on the tac had decayed to an unusable blob so I put the bigger wheel on it and measured it with that.
It has a 6 inch circumference but without knowing the original diameter of the smaller tip no math can help.

Or can it?
« Last Edit: October 15, 2018, 07:01:02 PM by jabberwoki »
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Offline kwoswalt99

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Re: Vintage Tac score
« Reply #9 on: October 15, 2018, 08:01:55 PM »
Quote from: jabberwoki on October 15, 2018, 06:56:03 PM
that's what it read on the biggest bottom pulley.
But I think I effed up, the small ball on the tac had decayed to an unusable blob so I put the bigger wheel on it and measured it with that.
It has a 6 inch circumference but without knowing the original diameter of the smaller tip no math can help.

Or can it?

Yeah it can be figured out.
The gauge reads the exact rpm of the input shaft correct?
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Offline jabberwoki

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Re: Vintage Tac score
« Reply #10 on: October 15, 2018, 08:52:26 PM »
http://www.stichtco.com/index.htm

Still in business , I`ve emailed them for parts and history...we`ll see.
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Offline jabberwoki

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Re: Vintage Tac score
« Reply #11 on: October 15, 2018, 08:53:31 PM »
Quote from: jabberwoki on October 15, 2018, 08:52:26 PM
http://www.stichtco.com/index.htm

Still in business , I`ve emailed them for parts and history...we`ll see.

Yep I placed the wheel on the pulley and got 3100.
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Offline gtermini

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Re: Vintage Tac score
« Reply #12 on: October 15, 2018, 09:01:50 PM »
It should read directly. Stab it up against the end of the closed chuck and see what it says.

Greyson
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Offline jabberwoki

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Re: Vintage Tac score
« Reply #13 on: October 15, 2018, 09:30:44 PM »
It does but only with the bigger attachment, won`t that give a different reading than the smaller one?
The instructions say the bigger attachment is for reading feet pr minute.
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Offline DeadNutz

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Re: Vintage Tac score
« Reply #14 on: October 16, 2018, 10:00:02 AM »
If that 3100 was measured with the foot per minute wheel all you need is the circumference of the pulley to calculate the RPM.
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