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dpharker(at)worldnet.att.
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 Posted: Tue Feb 20, 2007 3:45 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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For those of you that have one impulse coupled magneto and a single electronic ignition. Which one are you using on engine startup and what is your startup procedure?
Thanks
Don Harker
Gurnee IL
90% done 50% to go
[quote][b]
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kboatright1(at)comcast.ne
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| Posted: Tue Feb 20, 2007 4:06 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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I have a Jeff Rose (AKA Electroair) ignition and an impulse coupled mag. My starting procedure is to turn on the fuel pump, pump the throttle once, then take care of all of the buckling in and pre-start stuff while the fuel (hopefully) evaporates into the intake system. Then, I turn the EI and the mag to "hot" and hit the start switch.
My airplane is usually hooked up to a battery tender which maintains a good charge on the battery. This is important because low system voltage (like experienced when starting with a less than fully charged battery) *may* cause the EI to lose track of crank position and fire at a bad time, causing kickback.
Some folks turn the mag on, hit the starter, and then energize the EI once the starter has the prop rotating. This is an alternate way to avoid the low voltage/kickback scenario with the EI.
In the winter, I typically preheat with a sump heater for anywhere from 15 minutes to several hours, depending on if I set the heater on a timer or if I plugged it in when I arrived at the airfield.
Hope this helps.
KB
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George McNutt
Joined: 09 Jan 2006
Posts: 30
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| Posted: Tue Feb 20, 2007 6:10 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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0-320 Lycoming and I turn both Magneto and Electronic Ignition on after
engine has turned three blades on the starter - almost instant start
with no kick back in 450 hrs.
George in Langley BC
Donald Harker wrote:
| Quote: |
For those of you that have one impulse coupled magneto and a
single electronic ignition. Which one are you using on engine startup
and what is your startup procedure?
|
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dan(at)rvproject.com
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| Posted: Tue Feb 20, 2007 6:29 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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Lightspeed Plasma II + Slick 4371 impulse-coupled mag on my IO-360-A1B6.
Both ON at startup.
)_( Dan
RV-7 N714D (1207 hours)
www.rvproject.com
www.weathermeister.com
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Tim_Lewis(at)msm.umr.edu
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| Posted: Tue Feb 20, 2007 6:45 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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I have an impulse coupled mag and a Lightspeed on my RV-6A. I start with both. 850+ hours, no problems.
I understand there are compatibility issues between the Lightspeed and the use of the Flyweight starter (which I have on my RV-10 - under construction). As I understand it, the problem is apparently caused by the huge engine-start current surge into the Flyweight causing the bus voltage to drop, causing the Lighspeed to fire at the wrong time. So, for my RV-10, I'll have a small (2-3 Ah) battery just for the the Lightspeed, fed from the main bus via a diode. This'll isolate the Lightspeed from plunging main bus voltage.
Tim
| Quote: | --
Tim Lewis -- HEF (Manassas, VA)
RV-6A N47TD -- 850 hrs
RV-10 #40059 under construction |
Donald Harker wrote: [quote] st1\:*{behavior:url(#default#ieooui) } <![endif]-->
For those of you that have one impulse coupled magneto and a single electronic ignition. Which one are you using on engine startup and what is your startup procedure?
Thanks
Don Harker
Gurnee IL
90% done 50% to go
[b]
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rv6(at)cox.net
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| Posted: Tue Feb 20, 2007 9:33 pm Post subject: Impulse coupler mag and electronic ignition at startup |
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Impulse Mag on left, Jeff Rose on right. Start on left and as soon as engine starts, which is usually 2-3 blades, turn on the Jeff Rose. The 0-320 always cranks right up.
Jerry Calvert
Edmond Ok
N296JC RV6
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kahuna
Joined: 02 Feb 2007
Posts: 93
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| Posted: Wed Feb 21, 2007 4:05 am Post subject: Impulse coupler mag and electronic ignition at startup |
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I start on both with a mag and LSE.
On my dual LSE RV6, I also started on both.
No issues with either.
Mike
Do not archive
From: owner-rv-list-server(at)matronics.com [mailto:owner-rv-list-server(at)matronics.com] On Behalf Of Donald Harker
Sent: Tuesday, February 20, 2007 6:44 PM
To: rv-list(at)matronics.com
Subject: Impulse coupler mag and electronic ignition at startup
For those of you that have one impulse coupled magneto and a single electronic ignition. Which one are you using on engine startup and what is your startup procedure?
Thanks
Don Harker
Gurnee IL
90% done 50% to go
| Quote: | | http://www.matronics.com/Navigator?RV-List |
01234
[quote][b]
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dpharker(at)worldnet.att.
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| Posted: Wed Feb 21, 2007 7:14 am Post subject: Impulse coupler mag and electronic ignition at startup |
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Thanks to all who replied. Great Help.
Don Harker
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