Tach indicator problems

[A6PILOT]

I just switched from LASAR to Slick mags and the RPM indicator shows about 1/2 the actual RPM on the VM1000. The transducer is the correct one for Slick mags P/N 3010005. I have the transducer mounted in the lower vent hole of the Model number 4370 Slick (Non Impulse coupled left mag) Before I purchase another transducer, I wonder if anyone has run into a similar problem?

[John Collier]

Originally Posted by A6PILOT

I just switched from LASAR to Slick mags and the RPM indicator shows about 1/2 the actual RPM on the VM1000.

I'm not familiar with the VM1000s setup...but on the Dynon you must set a pulses per revolution depending on your tachometer source - maybe you need to check this on the VM1000 since your tach source changed?

[N402RH]

The Slick mag has half the number of pulses as the Lasar, you need to change the setting in the VM1000.


Rob Hickman
N401RH RV-4

[A6PILOT]

I talked to a tech rep today and he explained how to change the jumper in the data processing unit to get the correct readout. Thanks for the responses - problem solved.