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Old 02-13-2016, 07:00 PM
cardinalflier cardinalflier is offline
Join Date: Jul 2015
Location: Granite Bay, Ca
Posts: 131
Default Incorrect Skyview tach reading from Emag

My Skyview is reading 2x the correct tach reading from my Lightspeed mag and I can't find the fix in the Skyview installation manual. Help, please. Thanks, Bruce Estes
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Old 02-13-2016, 07:13 PM
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Ron RV8 Ron RV8 is offline
Join Date: Nov 2010
Location: Okanagan Valley BC, Canada
Posts: 489

Look in the installation manual under EMS. I had the same problem. Sorry can't give you section...
Ron Townson
Okanagan Valley BC, Canada
RV-8 Completed Dec 2013

Membership renewed Nov 23, 2020
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Old 02-13-2016, 09:08 PM
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N941WR N941WR is offline
Join Date: Jan 2005
Location: SC
Posts: 12,887

From the Dynon manual:

Originally Posted by Dynon
Tachometer pulses/revolution are set in the Engine Information Wizard ? SETUP MENU > HARDWARE CALIBRATION > EMS CALIBRATION > TACHOMETER CALIBRATION.
I'm confused by your post. The title lists Emag and the body of your posts mentions Light Speed.

The P-mags default is 2 pulses per revolution and I have no idea what the default PPR for Light Speed might be.
Bill R.
RV-9 (Yes, it's a dragon tail)
O-360 w/ dual P-mags
Build the plane you want, not the plane others want you to build!
SC86 - Easley, SC
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Old 02-14-2016, 05:11 AM
RFazio RFazio is offline
Join Date: Jan 2007
Location: LI, NY
Posts: 413
Default Adjust you E-Mag settings

I went in and adjusted the E-Mag pulses from 2 to 1. Problem solved. You have to connect up to the E-Mag with a laptop and run their utility to change the settings. It was easy. If you have questions let me know.

Richard Fazio
RV-6 Slider
FP Wood Prop
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Old 02-14-2016, 09:13 AM
meloosifah meloosifah is offline
Join Date: Jul 2009
Location: Indiana
Posts: 251

Is it a Lightspeed, Mag or Pmag? Post is a little confusing and the correction will depend on which you have.
RV7a (converting to TW and then ready to install the engine and panel)

1946 Cessna 140 (currently flying)
1946 Piper J3 Cub (stripped for restoration)

Exempt on multiple counts - donated double because this site is worth it!
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Old 02-14-2016, 09:39 AM
cardinalflier cardinalflier is offline
Join Date: Jul 2015
Location: Granite Bay, Ca
Posts: 131

Lightspeed. I'm heading to the airport soon and will try going into the Dynon again. Thanks,
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