Posted: Sun Sep 09, 2007 10:58 amHello.
Is there anyone who knows how I get the Hz from the rpm on the outgoing shaft of the engine?
Is there anyone who knows how I get the Hz from the rpm on the outgoing shaft of the engine?
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Posted: Sun Sep 09, 2007 10:58 amPosted: Sun Sep 09, 2007 5:19 pmThe easiest way to electrically measure engine speed is by taking an output from the ignition system.
Posted: Sun Sep 09, 2007 7:09 pmI have a magnet on the driveshaft of the dyno & a crank trigger hall sensor.
1 pulse per RPM
Divide RPM by 60 to get Hz
10000rpm = 166.67 Hz
Hope this helps
Matt
1 pulse per RPM
Divide RPM by 60 to get Hz
10000rpm = 166.67 Hz
Hope this helps
Matt
Posted: Sun Sep 09, 2007 7:38 pmI used a 30 tooth sprocket with the teeth cut down to a flat, read the teeth with a 2 wire inductance coil (magnetic pickup) which feeds to a digital rpm indicator on my console. 30 pulses per rpm same math as above . . .
Can also feed that same signal into a DAQ card if I ever figure that part out
Can also feed that same signal into a DAQ card if I ever figure that part out