Today's Message Index:
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1. 02:49 PM - Re: CJ6A/Housai magneto question(s) (Justin Drafts)
2. 03:08 PM - Re: Re: CJ6A/Housai magneto question(s) (Jon Boede)
3. 04:48 PM - Re: Re: CJ6A/Housai magneto question(s) (Greg Wrobel)
4. 05:05 PM - Re: Re: CJ6A/Housai magneto question(s) (Mark Bitterlich)
Message 1
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| Subject: | Re: CJ6A/Housai magneto question(s) |
Okay my fellow mechanics, a (?) for you all. Forgive my ignorance but
avionics is not my strong point.
I'm having trouble w/ my CJ6 standard Housai magnetos... on run-up one day
the mag drops were perfect, textbook... the next day until now mag #1 shows
300~400 drop & obviously rough running.
(Mag #2 still purrs perfectly, using mag switch on 1+2 the engine runs
well.) Momentarily switching to 0 cuts engine, as it should. Wiring all
appears intact.
Magnetos are freshly cleaned & in great condition upon cursory inspection;
aggressive leaning doesn't help & all 18 sparkplugs recently pulled &
cleaned.
All leads appear in good condition.
Aft row's 8 sp's good on tester, testing front row 8 this afternoon.
Thoughts, inputs, advice???
Mag #1 controls the AFT row of sparkplugs, or the FWD row?
Mag #1 is (looking forward from cockpit) the right-side mag, correct?
Thanks all...
Justin Drafts
N280NC, Seattle
Message 2
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| Subject: | Re: CJ6A/Housai magneto question(s) |
Best to ring it out. I have seen these wires all sorts of ways, including front
and back being opposite. Just need to put an ohm meter between the p-lead and
ground.
> On Apr 15, 2025, at 4:57PM, Justin Drafts <draftsjust417@gmail.com> wrote:
>
>
> Okay my fellow mechanics, a (?) for you all. Forgive my ignorance but avionics
is not my strong point.
> I'm having trouble w/ my CJ6 standard Housai magnetos... on run-up one day the
mag drops were perfect, textbook... the next day until now mag #1 shows 300~400
drop & obviously rough running.
> (Mag #2 still purrs perfectly, using mag switch on 1+2 the engine runs well.)
Momentarily switching to 0 cuts engine, as it should. Wiring all appears intact.
>
> Magnetos are freshly cleaned & in great condition upon cursory inspection; aggressive
leaning doesn't help & all 18 sparkplugs recently pulled & cleaned.
> All leads appear in good condition.
> Aft row's 8 sp's good on tester, testing front row 8 this afternoon.
>
> Thoughts, inputs, advice???
>
> Mag #1 controls the AFT row of sparkplugs, or the FWD row?
> Mag #1 is (looking forward from cockpit) the right-side mag, correct?
>
> Thanks all...
>
> Justin Drafts
> N280NC, Seattle
> <20250414_132952.jpg>
Message 3
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| Subject: | Re: CJ6A/Housai magneto question(s) |
You said you checked your wires. I had a similar issue years ago. I ohmed
the wires and ask was well. I rechecked the wires again and found a ziptie
missing allowing the #2 wire to come in contact with the exhaust. It burnt
through and was grounding out on occasions. Repaired the wire, double zip
tied it away from the exhaust and wa-la.
On Tue, Apr 15, 2025, 17:11 Jon Boede <jonboede@hotmail.com> wrote:
>
> Best to ring it out. I have seen these wires all sorts of ways, including
> front and back being opposite. Just need to put an ohm meter between the
> p-lead and ground.
>
> > On Apr 15, 2025, at 4:57=AFPM, Justin Drafts <draftsjust417@gmail
.com>
> wrote:
> >
> > =EF=BB
> > Okay my fellow mechanics, a (?) for you all. Forgive my ignorance but
> avionics is not my strong point.
> > I'm having trouble w/ my CJ6 standard Housai magnetos... on run-up one
> day the mag drops were perfect, textbook... the next day until now mag #1
> shows 300~400 drop & obviously rough running.
> > (Mag #2 still purrs perfectly, using mag switch on 1+2 the engine runs
> well.) Momentarily switching to 0 cuts engine, as it should. Wiring all
> appears intact.
> >
> > Magnetos are freshly cleaned & in great condition upon cursory
> inspection; aggressive leaning doesn't help & all 18 sparkplugs recently
> pulled & cleaned.
> > All leads appear in good condition.
> > Aft row's 8 sp's good on tester, testing front row 8 this afternoon.
> >
> > Thoughts, inputs, advice???
> >
> > Mag #1 controls the AFT row of sparkplugs, or the FWD row?
> > Mag #1 is (looking forward from cockpit) the right-side mag, correct?
> >
> > Thanks all...
> >
> > Justin Drafts
> > N280NC, Seattle
> > <20250414_132952.jpg>
>
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>
>
Message 4
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| Subject: | Re: CJ6A/Housai magneto question(s) |
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