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05-01-2009, 01:50 PM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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Mag wiring...is this right? (Diagram pic incl.)
A picture is worth what? 
Is the pigtail wire off the shield to common ground necessary? I've heard both ways... 
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Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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05-01-2009, 01:52 PM
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Join Date: Jan 2005
Location: Charlotte, NC
Posts: 1,523
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No it's not needed..
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Radomir
RV-7A sold
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05-01-2009, 01:52 PM
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Join Date: Jun 2005
Location: Cedar Park, TX
Posts: 3,152
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Quote:
Originally Posted by cjensen
A picture is worth what?
Is the pigtail wire off the shield to common ground necessary? I've heard both ways... |
Remove the wire from the switch to FW ground block. Grounding all happens at the mag.
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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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05-01-2009, 01:56 PM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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Thanks fellas!! So QUICK!
This would be correct then...
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Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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05-01-2009, 02:03 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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YEP!
That'll do it. Just remember that the mag will be hot with the switch open. Close the switch to "kill" the mag.
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Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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05-01-2009, 02:12 PM
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Join Date: Jun 2005
Location: Milwaukee, WI area
Posts: 2,967
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Yep! Thanks Mel...I have the switch mounted upside-down.
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Chad Jensen
Astronics AES, Vertical Power
RV-7, 5 yr build, flew it 68 hours, sold it, miss it.
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05-01-2009, 02:24 PM
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Join Date: Mar 2005
Posts: 704
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Quote:
Originally Posted by cjensen
Yep! Thanks Mel...I have the switch mounted upside-down.
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Chad, that's exactly how I did it. No pig tail and switch mounted upside down. No problems at all on this end.
You are moving right along, stay at it....it's worth it!! |
05-01-2009, 04:44 PM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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Chad,
There were some back and forth here a while back with people that do not endorse grounding the shield at the mag. (More prone to loosing a connection out there)
Either way will work, which is better? Iduno?
I plan to ground at the mag with a good pigtail from my P-lead shield. After all thats what mag checks are for right????
Last edited by Brantel : 05-01-2009 at 05:40 PM.
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05-01-2009, 05:35 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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The preferred method is to use the shield to ground at the mag. Otherwise you are just adding fail points to the system.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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05-01-2009, 06:05 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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I think the discussion...
Quote:
Originally Posted by Brantel
Chad,
There were some back and forth here a while back with people that do not endorse grounding the shield at the mag. (More prone to loosing a connection out there)
......
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...was about the extra grounding to the airframe at the switch vs. shorting the P-lead terminal to the shield.
The Slick mags. have a specific terminal labeled GND, it should be used.... 
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Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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