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Matt Dralle
Site Admin
Joined: 08 Nov 2005
Posts: 25704
Location: Livermore CA USA
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 Posted: Wed Mar 09, 2011 10:59 am Post subject: PMag |
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I was browsing the P-Mag web site this week. They look pretty cool, but the web site really makes no mention of whether there's any real performance/economy benefit to them. Does anyone have any real world experience along these lines?
I've got two standard Slick mags on my IO-390. If I dumped $2200 on a pair of P-Mags, would I really notice any difference? The IO-390 already starts and runs great. More power and better economy are always welcome, though...
Matt Dralle
RV-8 #82880 N998RV
http://www.mattsrv8.com - Matt's RV-8 Construction Log
http://www.youtube.com/MattsRV8 - Matt's RV-8 HDTV YouTube Channel
Status: 150+ Hours TTSN - Paint Job Is All That's Left To Do...
At 10:36 AM 3/9/2011 Wednesday, you wrote:
[quote]Do they even still make the E-mag, the non self powered version?
I wonder what the performance differences are between E/P-Mags and the competing LSE- Systems in terms of additional power output as well as fuel savings?
I wonder if anyone has ever run a single LSE in conjunction with not a Magneto, but rather an E/P-Mag for two truly redundant electronic ignitions?
Hmm, I wonder how they would work together, i.e. if both competing EI systems would be mixed on one engine??? Hmm...?
Konrad
On Mar 9, 2011, at 10:59 AM, Robin Marks wrote:
>I think the early problems are behind them. I have one on my 8A based on some recommendations of RV pilots I trust that have had no issues in years of use. I plan to place on eon my -10 when they finally release the 6 cylinder version.
>Like most systems I prefer diversity so I would never run two PMags but I would never run two Light speed either.
>
>
>Robin
>
>
>From: <mailto:owner-rv6-list-server(at)matronics.com>owner-rv6-list-server(at)matronics.com [mailto:<mailto:owner-rv6-list-server(at)matronics.com>owner-rv6-list-server(at)matronics.com] On Behalf Of <mailto:HCRV6(at)comcast.net>HCRV6(at)comcast.net
>Sent: Wednesday, March 09, 2011 9:45 AM
>To: <mailto:rv6-list(at)matronics.com>rv6-list(at)matronics.com
>Subject: Re: Anyone here?
>
>
>HI Konrad,
>
>Well, the evidence seems to be accumulating that they have. More and more of them are in use in RV's in my area, KLVK, and so far it looks like they may have worked through those early problems. I remain somewhat cautious but thinking about starting with one and see how it goes.
>
>Harry Crosby
>RV-6 N16CX, 805 hours
>
>---
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carl.froehlich(at)verizon
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| Posted: Wed Mar 09, 2011 12:05 pm Post subject: PMag |
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I have 200 hours on a dual PMag install using auto plugs (NGK BR8ES) in my
8A. I installed the PMags as replacement for a dual Lightspeed Plasma II+
install after 400 problem plagued hours. The PMags have been rock solid.
I'm running a stock Van's O-360 back fitted with Airflow Performance
injection. I run 80%+ LOP, typically 30 to 40 degrees or so - but can go
further without getting a rough engine (but at that point the power is
dropping off faster than the fuel flow). At 2350 RPM and 23.5" or so I'm at
8gph or less, and CHTs drop 50 degrees from ROP. I believe the ignitions
enable this performance.
I do know of an RV-8 running a Lightspeed Plasma II+ and a PMag. He too was
running a dual Lightspeeds but when one died he replaced the dead one with
the PMag. Performance wise he does not see much difference.
The other aspect I can offer is that the service after the sale on the PMags
has been superb. I'm on their short list to get the 6 cylinder model for
the RV-10 project - and have been told I'll have them in time for an August
maiden flight. My brand new IO-540 slick mags, harness and spark plugs will
soon be for sale.
Carl
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klwerner(at)comcast.net
Guest
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| Posted: Wed Mar 09, 2011 12:23 pm Post subject: PMag |
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Dear Carl,
How was Lightspeed Engineering to deal with while trouble shooting
your Dual LSE's during these "400 problem plagued hours"? Just
curious...
Konrad
On Mar 9, 2011, at 1:00 PM, Carl Froehlich wrote:
[quote]
>
I have 200 hours on a dual PMag install using auto plugs (NGK BR8ES)
in my
8A. I installed the PMags as replacement for a dual Lightspeed
Plasma II+
install after 400 problem plagued hours. The PMags have been rock
solid.
I'm running a stock Van's O-360 back fitted with Airflow Performance
injection. I run 80%+ LOP, typically 30 to 40 degrees or so - but
can go
further without getting a rough engine (but at that point the power is
dropping off faster than the fuel flow). At 2350 RPM and 23.5" or
so I'm at
8gph or less, and CHTs drop 50 degrees from ROP. I believe the
ignitions
enable this performance.
I do know of an RV-8 running a Lightspeed Plasma II+ and a PMag. He
too was
running a dual Lightspeeds but when one died he replaced the dead
one with
the PMag. Performance wise he does not see much difference.
The other aspect I can offer is that the service after the sale on
the PMags
has been superb. I'm on their short list to get the 6 cylinder
model for
the RV-10 project - and have been told I'll have them in time for an
August
maiden flight. My brand new IO-540 slick mags, harness and spark
plugs will
soon be for sale.
Carl
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carl.froehlich(at)verizon
Guest
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| Posted: Wed Mar 09, 2011 12:51 pm Post subject: PMag |
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This the main reason why I pulled the Lightspeeds off my airplane.
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klwerner(at)comcast.net
Guest
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| Posted: Wed Mar 09, 2011 1:04 pm Post subject: PMag |
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OUCH!!!
do not archive
On Mar 9, 2011, at 1:46 PM, Carl Froehlich wrote:
[quote]
>
This the main reason why I pulled the Lightspeeds off my airplane.
--
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leh(at)hshpc.com
Guest
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| Posted: Wed Mar 09, 2011 2:55 pm Post subject: PMag |
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I have over 200 hours on my dual P-Mags in my 8A with an IO-360. The performance in all aspects of flight has been very consistent. Fuel burn at 50 degrees LOP is about 8 GPH at altitude. Installation and timing is very simple and the support has been outstanding. I run auto plugs and replace them annually.
I bought the new engine with the P-Mags installed so I can't directly compare the performance to traditional mags, but I have been very pleased with the system.
Lee E. Harrell, Jr., PE, LEED AP, QCxP
President/Chief Executive Officer
Harrell, Saltrick & Hopper
8016 Tower Point Drive
[url=geo:0,0?q=8016+Tower+Point+Drive%0ACharlotte%2C+NC+28227]Charlotte, NC 28227[/url]
Cell [url=tel:7045624820]704.562.4820[/url]
Office [url=tel:7048141320]704.814.1320[/url]
lharrell(at)hshpc.com (lharrell(at)hshpc.com)
www.hshpc.com
Connected by DROID on Verizon Wireless
-----Original message-----
[quote]From: Carl Froehlich <carl.froehlich(at)verizon.net>
To: rv8-list(at)matronics.com
Sent: Wed, Mar 9, 2011 20:46:52 GMT+00:00
Subject: RE: RV8-List: Re: PMag
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