Heilman181
ArboristSite Operative
Has anyone every used one of these?
Tecumseh Tachometer - Small Engine Vibra Tach
Tecumseh Tachometer - Small Engine Vibra Tach
Heilman181 said:Has anyone every used one of these?
Tecumseh Tachometer - Small Engine Vibra Tach
Echo Boyboyboy said:I have verified mine on my model airplane engines (12,000 to 18,000 RPM) against an electronic tach. The measurements with a vibratach were within 2% of the electronic at 12,000rpm (+/-200rpm). Not too bad considering they get better at lower RPM.
AJY
Echo Boyboyboy said:I completely agree that a vibratach for any sort of non-idle measurement on a saw is NOT a good idea. Even for idle I would have someone else hold the saw. It simply takes too long to make a measurement and since I don't have the obligatory 4 arms I'm not going to try it at WOT.
I'm just saying that in my experience they are deceivingly accurate.
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