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09-08-2015, 08:09 PM
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Join Date: Apr 2012
Location: Kingsville, Ontario, Canada
Posts: 282
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P-Mag Harness
I've read quite a few P-Mag posts but didn't come across whether or not it is OK to attach wire pairs with a common Adel clamp. Could there be inductive coupling were these are used? I am using E-Mags automotive harness and automotive plugs with wires separated per E-Mag's manual but have used Adel clamps to attach wire pairs to the engine & mount - one run pair has 1 clamp, another 3, and the rest 2 clamps.
I've sent E-Mag an email on this but I'm sure others here have experience with this.
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Dennis Enns
Kingsville, ON
Bellanca Champ 7ACA since 1986, restored 1990.
RV-8 IO375, Hartzell CS, dual PMags.
2020 Donation In 
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09-08-2015, 08:19 PM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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You want to use high temp Adel clamps. The ones I have been using have white cushions in them but I don't recall where they came from.
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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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09-08-2015, 09:12 PM
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Join Date: Mar 2010
Location: KSGJ / TJBQ
Posts: 2,034
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Quote:
Originally Posted by N941WR
You want to use high temp Adel clamps. The ones I have been using have white cushions in them but I don't recall where they came from.
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Do you mean these?
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Galin
CP-ASEL-AMEL-IR
FCC Radiotelephone (PG) with Radar Endorsement
2020 Donation made
www.PuertoRicoFlyer.com
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09-09-2015, 03:36 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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Quote:
Originally Posted by GalinHdz
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Yes and no. I used the smallest ones on the front cylinders and have elongated ones on the rear cylinders that holds two wires; I don't see those on the list.
__________________
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
Last edited by N941WR : 09-09-2015 at 03:40 AM.
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09-09-2015, 05:31 AM
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Join Date: Apr 2012
Location: Kingsville, Ontario, Canada
Posts: 282
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Crossfire
My question is not which Adel clamps to use, although the suggestions on them are useful, but more so - can combining two wires in one clamp cause inductive coupling (crossfire)? Has anyone experienced problems with this?
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Dennis Enns
Kingsville, ON
Bellanca Champ 7ACA since 1986, restored 1990.
RV-8 IO375, Hartzell CS, dual PMags.
2020 Donation In
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09-09-2015, 06:39 AM
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Join Date: Jan 2005
Location: SC
Posts: 12,887
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My answer was an implied "Yes, you can do it." Sorry about that.
I have had no issues with cross firing that I could feel or that the EICommander has picked up.
__________________
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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09-09-2015, 06:41 AM
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Join Date: Nov 2008
Location: Shreveport, LA
Posts: 1,002
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i have mine bundled together and ive never had a problem
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09-09-2015, 06:46 AM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,668
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Old photo but basically here's how I do it, various wire separators are available from Summit or other hot rod shops.
__________________
Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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09-09-2015, 06:48 AM
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Join Date: Feb 2005
Location: Bridgewater, MA - KPYM
Posts: 457
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E-Mag recommends that you keep ignition leads separated. This can be done a variety of ways. You can run one lead through and Adel clamp then use some tie wraps with a stand off to attach a second lead. You can also buy some ignition wire clamps at your local speed shop that will keep leads separated and parallel. I have used both methods with equal success.
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Mike Draper
RV-8 N468RV
First Flight 11/13/2011
TMX0360, Pmags, CS
Bridgewater, MA
KPYM
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09-09-2015, 08:59 AM
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Join Date: Jan 2011
Location: SoCal
Posts: 391
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The Manufacturer's answer
Quote:
Originally Posted by drill_and_buck
E-Mag recommends that you keep ignition leads separated.
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+1 (answered the question!)
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RV10 sold (miss that one too!)
RV-14A build underway
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