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Old 09-09-2019, 07:32 AM   #1
Forddan
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Default RPMs measurement

Hi

I have a digital Tachometer. I would like to measure the RPMs of my 1929 Tudor. Can you please tell me where I have to place the reflective tape.

Thank you !!!
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Old 09-09-2019, 08:02 AM   #2
Ranchero50
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Default Re: RPMs measurement

Crank pulley or on the pressure plate. Usually the eye wants to be 90` to the tape so it reflects correctly.
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Old 09-09-2019, 08:39 AM   #3
Jacksonlll
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Default Re: RPMs measurement

Be careful of that fan blade and the belt. Not a friendly place to work.
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Old 09-10-2019, 09:30 PM   #4
Forddan
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Default Re: RPMs measurement

Thank you all !!!
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Old 09-12-2019, 08:18 AM   #5
Bill Batson
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Default Re: RPMs measurement

There is a smart phone App called "Acoustical Tachometer" some say works well. I have it as its a free app but can't seem to get it to work....
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Old 09-13-2019, 05:11 PM   #6
Forddan
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Default Re: RPMs measurement

Quote:
Originally Posted by Bill Batson View Post
There is a smart phone App called "Acoustical Tachometer" some say works well. I have it as its a free app but can't seem to get it to work....
I am sure you posted that in another thread a week ago. Also another member posted the equipment I got from Amazon. I can't find that thread now to look how to use it I can't remember the title.

Nevertheless I got some suggestions from experts on this thread that I will try and report back. I will also look for the app.... it's free, nothing to lose :-)

Thank you to you and to all !!!
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Old 09-14-2019, 06:36 AM   #7
chap52
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Default Re: RPMs measurement

I have one and put the tape on the crank pulley. Works great and it doesn't care what engine or spinning item you use it on, but as Jack said, Watch out for them moving parts... Chap
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