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10-14-2007, 02:06 PM
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Join Date: Apr 2006
Location: Sedro Wooley, WA
Posts: 147
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Another E/P mag question
I have an E and a P mag and I want to use an Electronics International Tachometer with them.
Is anyone using an EI tachometer with E/P mags?
Have you discovered any issues? What were they?
Thanks,
Mike
wiring, firewall forward
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10-17-2007, 08:00 AM
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Join Date: Jan 2005
Location: Yorkshire, England
Posts: 2,048
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The install manual for the E/P Mag shows a couple of ways of using the pulse that comes from them. Either use the P lead with a resistor or use the #6 output ( I think ) from the plug and set up the tacho to count the pulses.
We are using the extra lead into a Dynon 120.
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10-17-2007, 09:59 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Mike,
The Dynon EMS D10 has two tach inputs. In my set up, I connected one lead to each P-mag. That way the EMS tach does not drop to zero when I turn off a P-mag.
__________________
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
www.repucci.com/bill/baf.html
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10-17-2007, 10:28 AM
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Join Date: Jan 2005
Location: MN
Posts: 2,269
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Ditto
Did exactly what Bill did, works great.
__________________
Cheers,
Pete
Amateur Plane - RV-9A N789PH - 2350+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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10-17-2007, 12:02 PM
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Join Date: Jun 2005
Location: Cedar Park, TX
Posts: 3,152
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FYI, The Pmag continues to output a tach signal on the tach output even when completely turned off. I have my tach wired to only one pmag tach output and it never drops out on run-up check.
__________________
Scott Card
CQ Headset by Card Machine Works
CMW E-Lift
RV-9A N4822C flying 2200+hrs. / Cedar Park, TX
RV8 Building - fuselage / showplanes canopy (Done!)
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10-17-2007, 12:37 PM
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Join Date: Jan 2005
Location: MN
Posts: 2,269
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Emag does stop sending when off
I was RPM "Blinded" until I hooked up the PMag Tach lead when the EMag was powered down.
__________________
Cheers,
Pete
Amateur Plane - RV-9A N789PH - 2350+ Hrs
Amateur Radio - KD0CVN
Doggies Delivered - 25+
St. Paul, MN
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10-17-2007, 01:13 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
Originally Posted by scard
FYI, The Pmag continues to output a tach signal on the tach output even when completely turned off. I have my tach wired to only one pmag tach output and it never drops out on run-up check.
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Is this true when grounded and power is pulled, as per the Bob K. drawings?
__________________
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
www.repucci.com/bill/baf.html
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10-17-2007, 01:19 PM
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Join Date: Jun 2005
Location: Cedar Park, TX
Posts: 3,152
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Quote:
Originally Posted by N941WR
Is this true when grounded and power is pulled, as per the Bob K. drawings?
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Works for me.
__________________
Scott Card
CQ Headset by Card Machine Works
CMW E-Lift
RV-9A N4822C flying 2200+hrs. / Cedar Park, TX
RV8 Building - fuselage / showplanes canopy (Done!)
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