[AJD] Tachometer

[Hank Wessel]

Tachometers of this type are fine for their intended purpuse, but for use with antique tractors and 
farm equipment I think you would be much better served by a mechanical dial tachometer.

Go to www.mcmaster.com and search for "tachometer"

RPM Dial Tachometer
• Range: 0 to 4000 rpm
• Accuracy: ±3%
Get fast rpm readings. This contact tachometer includes one cone and one concave tip. 
It has a 2 3/4" dial face with a glass cover. Housing is steel. Size is 2 3/4" Dia. x 4" Lg. 
Optional 12" extension shaft gets into hard-to-reach areas.
  	 
Tachometer 			1416T1  	$59.88 

12" Extension Shaft 	            1416T2  	  20.57 
  
Replacement Tips 	 	1416T3  	   4.69 
(One Cone, One Concave)


- Hank



*********** REPLY SEPARATOR  ***********

On 12/19/2004 at 7:37 PM Robert L. Holtzer wrote:

>From time to time there has been discussion of setting engine idle, 
>etc.  Recently in a model airplane shop I saw a $25 tachometer that had an 
>RPM range of 0 to 30,000.  It detected RPM from the propeller --
>apparently something akin to a strobe.  It would probably work off a painted mark on
>a crank pulley.
>
>Anyone have any experience with this type of equipment?
>
>Bob Holtzer