RPM fluctuation

rivetdriver

New Member
Joined
May 10, 2011
Messages
1
I have a Ems D10 installed in a F! Rocket with injected 6 banger.
the RPM reading fluctuates a lot .
Any guesses???? :-[
 

dynonsupport

Dynon Technical Support
Staff member
Joined
Mar 23, 2005
Messages
13,226
The generic advice is to increase the resistor on the P-plead pickup wired (30K is spec'd, you can go 60k, 100k, or 150k by trial and error). You can also use the tach generator that Vans sells for use with their own branded tachs. It screws into the tach drive and outputs a nice 12V pulse.
 

721CP

New Member
Joined
Jan 14, 2011
Messages
1
I have a Continental O200D with my Skyview panel will this resistor change work for me, It is fluctuating at the top end of scale
 
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