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jpx(at)Qenesis.com
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 Posted: Wed Aug 06, 2008 6:54 am Post subject: P-Mag Overvoltage |
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| Quote: | The reliability gurus have long suggested that
"twin" systems are not as confidence building as
"alternative" designs.
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This is the most reliable strategy.
However, I am considering installing two P-Mags (or one P and one E).
This provides variable spark timing to both plugs, which should result
in improved engine performance.
With internal power generation, the P-Mags should be very reliable.
The only common failure mode I can think of is an overvoltage event
that damages the electronics in both P-Mags.
Do you know enough about the product design to comment on the
robustness of these products to a major overvoltage event ? Is there
a switching regulator that can handle almost anything ?
Thanks,
Jeff Page
Dream Aircraft Tundra #10
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nuckolls.bob(at)cox.net
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| Posted: Wed Aug 06, 2008 10:03 am Post subject: P-Mag Overvoltage |
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At 10:46 AM 8/6/2008 -0400, you wrote:
| Quote: |
> The reliability gurus have long suggested that
> "twin" systems are not as confidence building as
> "alternative" designs.
This is the most reliable strategy.
|
| Quote: | However, I am considering installing two P-Mags (or one P and one E).
This provides variable spark timing to both plugs, which should result
in improved engine performance.
|
Agreed . . . and better starting and longer life on
plugs.
| Quote: | With internal power generation, the P-Mags should be very reliable.
|
Agreed
| Quote: | The only common failure mode I can think of is an overvoltage event
that damages the electronics in both P-Mags.
Do you know enough about the product design to comment on the
robustness of these products to a major overvoltage event ? Is there
a switching regulator that can handle almost anything ?
|
I'll have to talk to Tom and Brad . . . my short
visit with them last year left me with an impression
of much smarter-than-average-bears. I'd like to believe
their product is equal to or better than DO-160 qualification
recommendations for aircraft.
Of course, you could call them too!
I've copied them on this message and expect an answer
to your concern will be forthcoming.
Bob . . .
----------------------------------------)
( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
----------------------------------------
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