Author Topic: Chainsaw Tachometer choices  (Read 41403 times)

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Offline flatsix

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Re: Chainsaw Tachometer choices
« Reply #20 on: December 30, 2013, 05:12:33 am »
720 = 2 Sparks pro revolution
180 = 1 spark each 2 revolutions

should this not be inverse :  720 = 1 spark each 2 revolutions ,,,,???
                                          180 = 2 Sparks pro revolution ???

I just received my new TT20K - tach works well on my stihl-chainsaws MS150TC and MS362 - only when it climbes above 10000 rpm then suddenly the tach is reading 5000 - 6000 rpm while my saw is jelling at 11.000 and +

For measuring idle rpm it works - adjusting high rpm's is not possible as tach won't go farther then 6000 rpm.
Max. rpm recall says one time 11000rpm the other time 16000 rpm...... so not reliable at all. ??? ???


 

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