[AT] engine tach

[john hall]

Thanks Larry, I'll have check those out.

John

----- Original Message ----- 
From: "Larry Goss" <rlgoss at insightbb.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, March 21, 2012 8:38 PM
Subject: Re: [AT] engine tach


> The Tiny-Tach is a very simple device.  It has no switches or 
> modifications available at all.  When the engine is not running, the 
> display shows the total hours it has been running -- like an odometer. 
> You cannot reset it for any reason.  When the engine is running, it shows 
> the engine speed, and is non-switchable.  So it shows a number based on 
> how often the spark plug fires.  Since the "right" nidek was not available 
> at the time I bought mine, it shows that the engine is running at half 
> speed.  THAT kind of math is still possible with this fuzzy brain, so I 
> simply double the displayed engine speed in my head.  Bottom line: I 
> bought the model for engines where the spark plug fires on every 
> revolution of the crank shaft, instead of the one for more sophisticated 
> engines where the plug only fires on the compression stroke.  I figured 
> that when the non-replaceable battery goes dead, then I will buy the right 
> model for use with my 1614.  It's been running for 14 or 15 years at!
>  this point!
>
> You can't even make a blanket statement about which brands of engines use 
> one model of Tiny-Tach versus the other -- K-series Kohler engines are 
> different from the KT-series, and they are different from the Magnum 
> series, and those are different from the Command series, etc.
>
> Larry
>
> ----- Original Message -----
> From: "john hall" <jtchall at nc.rr.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Wednesday, March 21, 2012 4:41:56 PM
> Subject: Re: [AT] engine tach
>
> Thanks Larry. Is yours electronic where you can input data such as how 
> many
> cylinders the engine has, or is it a matter of doing the math.
>
> John
>
> ----- Original Message ----- 
> From: "Larry Goss" <rlgoss at insightbb.com>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Tuesday, March 20, 2012 10:24 PM
> Subject: Re: [AT] engine tach
>
>
>>I like the Tiny-Tach item.  I think it still retails for under $40.  Be
>>aware that there are two models --  one for ignition systems where the
>>spark plug fires on every revolution, and one for ignition systems where
>>the spark plug only fires on the compression stroke.
>>
>> Larry
>>
>>
>> ----- Original Message -----
>> From: "john hall" <jtchall at nc.rr.com>
>> To: "Antique tractor email discussion group"
>> <at at lists.antique-tractor.com>
>> Sent: Tuesday, March 20, 2012 8:46:25 PM
>> Subject: [AT] engine tach
>>
>> We may have discussed this here before,  forgive me if we have. I would
>> like to have a tachometer to check engine RPM's that works off ignition. 
>> I
>> constantly seem to be encountering a need to check RPM's, especially on
>> air-cooled engines. Anybody know of such a tool that you would recommend?
>>
>> John Hall
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